What Are the Top AI Agent Startups in 2026?
AI agent startups in 2026 include Manus, Sierra, Decagon, Cognition, Harvey, Legora, Gumloop, and Daytona. These companies develop autonomous AI agents for customer service, software engineering, sales, healthcare, legal work, business automation, and enterprise operations.
AI Agent Startups in 2026 at a Glance
| Category | Details |
|---|---|
| Year | 2026 |
| Geographic coverage | Global |
| Main sectors | General-purpose AI, customer service, software engineering, legal, healthcare, sales, security and developer infrastructure |
| General-purpose AI agents | Manus, Instinct, Wajo, Genspark, Gumloop |
| Customer service and voice agents | Sierra, Decagon, Parloa, EliseAI, Hyro |
| Coding and software agents | Cognition, Lovable, Replit, Factory, CodeRabbit |
| Industry-specific agents | Harvey, Legora, Hippocratic AI, Vesta, FurtherAI |
| Sales and marketing agents | Regie.ai, Fuse AI, Nooks, 11x |
| Agent security startups | 7AI, Rein Security, Geordie AI, Reco |
| Agent infrastructure | Daytona, Mastra, Restate, Raindrop, Sapiom |
| Activity tracked | Funding rounds, product launches, partnerships, customer expansion and infrastructure development |
Major AI Agent Startup Funding and Developments in 2026
Several AI agent startups announced significant investments, product releases, and expansion initiatives in 2026.
| Company | 2026 development | Source |
|---|---|---|
| Cognition | Announced more than $2 billion in September funding at a $48 billion valuation | Cognition |
| Legora | Raised $550 million in Series E funding at an $8.8 billion valuation in October | Legora |
| Harvey | Announced a $550 million funding round at a $15.5 billion valuation in September | Harvey |
| Lovable | Raised $400 million in Series C funding in August | Lovable |
| EliseAI | Raised $350 million at a $4 billion valuation in September | EliseAI |
| Parloa | Raised $350 million in Series D funding in January | Parloa |
| Decagon | Raised $250 million in new funding in January | Decagon |
| Assort Health | Announced $120 million in Series C funding in June | Assort Health |
| CodeRabbit | Raised $143 million in Series C funding in August | CodeRabbit |
| Vesta | Raised $30 million to expand AI agents for mortgage lending in October | Vesta |
| Gumloop | Raised $50 million in Series B funding in March | Gumloop |
| Daytona | Raised $60 million in Series B funding at a $1 billion valuation in October | Daytona |
| Mastra | Raised $22 million in Series A funding in April | Mastra |
| Restate | Raised $20 million in Series A funding in September | Restate |
| Raindrop | Announced its Series A and $50 million in total funding in September | Raindrop |
| Rein Security | Raised $25 million in Series A funding in October | Rein Security |
| Geordie AI | Raised $30 million in Series A funding in May | Geordie AI |
| NewCore | Emerged from stealth with $66 million in funding in June | NewCore |
| Ampersand | Raised $15 million in Series A funding in October | Ampersand |
| Asymptote Labs | Raised $5.5 million in seed funding in October | Asymptote Labs |
Funding figures reflect publicly announced rounds and do not represent a ranking of startups by valuation, revenue, or total capital raised. The table distinguishes individual funding rounds from cumulative funding.
List of AI Agent Startups in 2026
General-Purpose AI Agents and Workplace Automation
| Company | Main area |
|---|---|
| Manus | Autonomous research and task execution |
| Instinct | Personal AI agents and application automation |
| Wajo | Personal action agents and real-world task execution |
| Genspark | General-purpose AI agents and research |
| Gumloop | Enterprise AI agent creation and workflow automation |
| Abacus.AI | Enterprise AI agents and automated workflows |
| Runable | AI agents for building and running businesses |
| Lyzr | Enterprise AI agent development and orchestration |
| Wordware | Personal AI assistants and context-aware workspaces |
| Lindy | AI assistants and workflow automation |
| Locus | AI agents for launching and operating online businesses |
Customer Service, Conversational AI and Voice Agents
| Company | Main area |
|---|---|
| Sierra | Customer-facing AI agents for enterprises |
| Decagon | AI customer support and concierge agents |
| Parloa | Enterprise conversational AI agents |
| EliseAI | AI agents for housing and healthcare operations |
| Leaping AI | Voice and text agents for customer interactions |
| Hyro | Healthcare conversational AI agents |
| VoiceRun | Code-first enterprise voice AI agents |
| Flai | Automotive dealership AI agents |
| Assort Health | AI agents for patient access and healthcare operations |
| Capacity | Customer support and service automation |
AI Coding and Software Development Agents
| Company | Main area |
|---|---|
| Cognition | Autonomous software engineering agents |
| Lovable | AI-powered software and application development |
| Replit | Autonomous application development agents |
| Factory | Enterprise software development agents |
| Emergent | Autonomous coding and application creation |
| CodeRabbit | AI code review and change management |
| Poolside | Agentic coding models and software development |
| Tusk | AI-generated software tests |
| Spur | Autonomous software quality assurance |
| Parity | AI site reliability engineering |
| Opslane | AI incident response and SRE automation |
| Scott AI | Planning and orchestration for coding agents |
| Emdash | Agent workspaces and software development orchestration |
Industry-Specific and Vertical AI Agent Startups
| Company | Main area |
|---|---|
| Harvey | Legal AI agents and professional workflows |
| Legora | AI agents and legal workflow automation |
| Solve Intelligence | Patent drafting and intellectual property workflows |
| Caseflood | AI agents for law firm intake |
| Supio | AI agents for plaintiff law firms |
| Hippocratic AI | Healthcare communication and patient outreach agents |
| Mercor | AI-enabled recruiting and talent workflows |
| FurtherAI | Insurance operations and document processing |
| Arva AI | Business verification and financial compliance |
| Balance | Accounting and bookkeeping automation |
| Fazeshift | Accounts receivable AI agents |
| Corvera | AI sales and operations for consumer brands |
| Opply | AI agents for consumer packaged goods operations |
| Vesta | Mortgage origination AI agents |
| Jooba | AI recruiting and talent sourcing |
| Brickanta | Construction estimating and procurement agents |
AI Sales and Marketing Agent Startups
| Company | Main area |
|---|---|
| Regie.ai | AI prospecting and sales engagement agents |
| Fuse AI | Agentic outbound sales automation |
| Topo | AI sales outreach and meeting booking |
| Nooks | Revenue execution and sales AI agents |
| Stormy | AI influencer marketing agents |
| 11x | AI digital sales workers and outbound automation |
AI Agent Security and Governance Startups
| Company | Main area |
|---|---|
| 7AI | Autonomous cybersecurity investigation agents |
| Rein Security | AI agent runtime security |
| Geordie AI | Enterprise AI agent security and governance |
| Reco | AI agent discovery and security |
| Noma Security | Security for AI models, applications and agents |
| Eve Security | Runtime controls for autonomous AI agents |
| Gray Swan AI | AI security evaluation and adversarial testing |
| White Circle | AI behavior monitoring and guardrails |
| CodeIntegrity | AI agent execution and runtime security |
AI Agent Infrastructure, Evaluation and Payment Startups
| Company | Main area |
|---|---|
| Daytona | Secure sandbox and execution infrastructure |
| Mastra | TypeScript AI agent framework and orchestration |
| Restate | Durable execution for agents and workflows |
| Raindrop | AI agent failure detection and simulation |
| Laminar | AI agent tracing and observability |
| Coval | Simulation and evaluation for AI agents |
| Maihem | AI agent testing and reliability |
| Lucidic | AI agent debugging and evaluation |
| Agnost AI | AI agent monitoring and failure analysis |
| Orthogonal | Payment and API infrastructure for agents |
| Sapiom | Payment infrastructure for autonomous agents |
| Ampersand | Enterprise integrations for AI agents |
| Hyperspell | Memory and context infrastructure for agents |
| Asymptote Labs | Agent runtime telemetry and visibility |
| NewCore | Identity management for humans and AI agents |
| OneCLI | AI agent delegation and orchestration |
AI Agent Startup Company Profiles
Manus
Manus develops general-purpose AI agents designed to execute multi-step tasks including research, data analysis, application building, and workflow automation. Its platform uses cloud-based execution environments and integrations to carry out actions across software. In September 2026, Manus introduced Manus 2.0 and Cue, a personal AI agent application, after resuming independent operations.
Instinct
Instinct develops personal AI assistants that connect to applications and complete tasks on behalf of users. Its technology focuses on action-oriented assistance across everyday digital workflows, allowing agents to move beyond answering questions and interact with connected services.
Wajo
Wajo develops personal action agents capable of communicating with people and completing real-world tasks. Its Fo agent can coordinate appointments, contact service providers, and handle bookings through email, messaging, and phone calls. In August 2026, Wajo introduced its platform for building agents with their own communication tools.
Genspark
Genspark develops a general-purpose AI workspace built around autonomous agents. Its Super Agent combines research, content creation, data analysis, communication, and other tasks through specialized agent capabilities, allowing users to complete workflows from a single interface.
Gumloop
Gumloop provides a platform for employees to build and deploy AI agents across business applications. Its technology connects AI models with internal tools, company information, and automated workflows. In March 2026, Gumloop raised $50 million in Series B funding to expand its enterprise agent platform.
Abacus.AI
Abacus.AI develops AI platforms for enterprise automation, machine learning, and agent-based applications. Its offerings allow organizations to build custom AI agents that interact with documents, business information, and software systems to perform operational tasks.
Runable
Runable develops AI agents for creating and operating businesses. Its platform supports website creation, research, presentations, marketing activities, and other business workflows. In August 2026, the Bengaluru-based startup raised $21 million in Series A funding to expand its product and customer acquisition capabilities.
Lyzr
Lyzr develops enterprise AI agent infrastructure and orchestration software. Its platform allows businesses to create specialized agents, coordinate multi-agent workflows, and integrate automated processes into existing enterprise systems while maintaining operational controls.
Wordware
Wordware develops AI-native workplace and personal assistant technology. Its Sauna product focuses on persistent context, proactive assistance, and helping users organize information and complete work, building on the company's earlier agent development capabilities.
Lindy
Lindy develops AI assistants for automating workplace tasks such as scheduling, communications, research, and administrative workflows. Its platform connects agents to business applications so users can create recurring or event-triggered automations without building custom software.
Locus
Locus develops AI agents designed to help users launch and operate internet businesses. Its Locus Founder product can research ideas, build websites, prepare marketing campaigns, and manage customer acquisition workflows, with users retaining approval over important business actions.
Sierra
Sierra builds conversational AI agents for enterprise customer experiences. Its platform enables businesses to handle customer requests, resolve support issues, and complete transactions through AI-powered interactions. In October 2026, Sierra announced its Personal Agent Protocol initiative with Meta and other industry partners.
Decagon
Decagon develops customer-facing AI agents that resolve support requests and manage interactions across enterprise systems. Its technology combines conversation handling with workflow execution. In January 2026, Decagon raised $250 million in funding to expand its AI concierge platform.
Parloa
Parloa provides enterprise AI agents for customer service and conversational experiences. Its Agent Management Platform helps businesses design, deploy, and manage AI-powered interactions across customer communication channels. In January 2026, Parloa raised $350 million in Series D funding.
EliseAI
EliseAI develops conversational AI agents for housing and healthcare organizations. Its products automate leasing inquiries, resident communications, patient scheduling, and administrative interactions. In September 2026, EliseAI raised $350 million at a $4 billion valuation to expand its operations and technology.
Leaping AI
Leaping AI builds self-improving voice and text agents for customer-facing operations. Its platform supports appointment scheduling, customer support, and lead qualification, with a focus on using interaction feedback to improve agent performance over time.
Hyro
Hyro develops conversational AI agents for healthcare organizations. Its platform handles patient inquiries, appointment-related requests, and administrative communication through voice and digital channels, connecting interactions with healthcare workflows and information systems.
VoiceRun
VoiceRun provides a code-first platform for building enterprise voice agents. Its infrastructure supports configurable models, testing, evaluation, call routing, and deployment management, allowing organizations to build and operate voice-based AI workflows.
Flai
Flai develops AI agents for automotive dealerships. Its platform helps dealerships answer calls, schedule appointments, follow up with customers, and manage sales and service communications. In October 2026, Flai announced a $27 million Series A funding round led by Base10 Partners.
Assort Health
Assort Health develops AI agents for healthcare patient access, including appointment scheduling, intake, outreach, and referral coordination. In 2026, the company announced $120 million in Series C funding and introduced additional agent capabilities for handling patient referrals across healthcare systems.
Capacity
Capacity provides AI-powered customer support and workflow automation software. Its platform combines conversational agents, contact center capabilities, and enterprise knowledge management. In September 2026, Capacity announced more than $54 million in Series E funding to expand its AI-native customer experience platform.
Cognition
Cognition develops autonomous software engineering agents, including Devin. Its platform helps engineering teams write, modify, test, and maintain software across development workflows. In September 2026, Cognition announced more than $2 billion in funding at a $48 billion valuation.
Lovable
Lovable develops an AI-powered software creation platform that allows users to build and deploy applications through natural-language instructions. Its technology automates application development across frontend and backend systems. In August 2026, Lovable raised $400 million in Series C funding.
Replit
Replit provides an integrated environment for developing, running, and deploying software using AI agents. Its platform supports autonomous application development, testing, and deployment. In March 2026, Replit introduced Agent 4, expanding its capabilities for collaborative and multi-step software creation.
Factory
Factory develops autonomous software development agents called Droids for enterprise engineering teams. Its technology supports coding, testing, reviewing changes, and software maintenance. In September 2026, Factory announced $200 million in funding at a $5 billion valuation.
Emergent
Emergent develops autonomous coding agents that build and deploy applications from natural-language instructions. Its platform helps users create websites, software products, and business applications. In 2026, Emergent expanded into background task execution and raised additional funding to support its software development platform.
CodeRabbit
CodeRabbit develops AI code review technology that analyzes software changes and identifies potential defects, security issues, and improvement opportunities. In August 2026, CodeRabbit raised $143 million in Series C funding and introduced Agentic Change Management for development teams working with AI-generated code.
Poolside
Poolside develops foundation models and systems focused on software engineering. Its technology supports agentic coding, code generation, and automated development tasks, with an emphasis on models trained for complex programming workflows.
Tusk
Tusk develops AI agents for software testing. Its technology helps engineering teams generate unit and integration tests and automate repetitive testing work, supporting faster development cycles and broader test coverage.
Spur
Spur develops AI-powered quality assurance agents for websites and applications. Its technology executes tests using natural-language instructions and validates user workflows, including functional and visual testing across web and mobile environments.
Parity
Parity develops AI site reliability engineering agents for investigating incidents and identifying infrastructure problems. Its technology helps engineering teams analyze operational data, investigate alerts, and accelerate root-cause analysis.
Opslane
Opslane builds AI agents for infrastructure monitoring and incident response. Its platform focuses on helping site reliability and engineering teams investigate production issues, analyze system behavior, and coordinate operational workflows.
Scott AI
Scott AI develops a planning environment for engineering teams using coding agents. Its platform allows multiple agents to explore software architecture and implementation options before development begins, helping teams compare approaches and define clearer technical specifications.
Emdash
Emdash develops software environments for coordinating AI coding agents. Its tools connect development workflows with project management systems and repositories, helping teams manage delegated coding tasks and agent execution.
Harvey
Harvey develops AI agents and workflow tools for law firms, corporate legal teams, and professional services organizations. Its platform supports legal research, document analysis, drafting, and specialized workflows. In September 2026, Harvey raised $550 million at a $15.5 billion valuation.
Legora
Legora develops an AI platform for legal professionals, supporting research, document review, drafting, and multi-step legal workflows. Its agentic operating system is designed for law firms and legal departments. In October 2026, Legora raised $550 million in Series E funding at an $8.8 billion valuation.
Solve Intelligence
Solve Intelligence develops AI software for patent professionals and intellectual property teams. Its technology assists with patent drafting, invention disclosures, and document workflows, helping practitioners handle complex technical and legal information.
Caseflood
Caseflood develops AI agents for law firm intake and client communications. Its platform handles incoming inquiries, follows up with prospective clients, and assists law firms with scheduling and ongoing case communication.
Supio
Supio develops AI technology for plaintiff-side law firms. Its platform supports medical record analysis, case preparation, client intake, and legal workflows. In 2026, Supio introduced Supio Agent to connect information and automate processes across the plaintiff litigation lifecycle.
Hippocratic AI
Hippocratic AI develops healthcare-focused conversational AI agents for patient engagement. Its technology supports non-diagnostic communication, patient outreach, and care coordination. In July 2026, the company introduced rapid-response agents designed to help healthcare organizations communicate with patients during extreme weather events.
Mercor
Mercor develops AI-enabled recruiting and talent matching technology. Its platform helps organizations identify, evaluate, and engage candidates for specialized work, using automation to support parts of the recruiting and workforce management process.
FurtherAI
FurtherAI develops AI agents for insurance operations. Its platform processes submissions, compares policies, extracts information from documents, and assists with underwriting and administrative workflows used by brokers, insurers, and managing general agents.
Arva AI
Arva AI builds AI agents for business verification and financial compliance. Its technology helps financial institutions review business information, investigate risk signals, and automate parts of onboarding and due diligence.
Balance
Balance develops AI agents for accounting workflows. Its platform assists businesses with bookkeeping, financial operations, and repetitive accounting tasks, reducing the manual effort required to organize financial information.
Fazeshift
Fazeshift develops AI agents for accounts receivable operations. Its platform connects financial and business systems to automate invoice processing, collections workflows, and reconciliation activities. In 2026, Fazeshift announced additional funding to expand its financial automation capabilities.
Corvera
Corvera develops AI agents for consumer packaged goods brands. Its platform connects distributor, retailer, and sales data to identify sales opportunities, prioritize accounts, and help teams coordinate outreach and operational tasks.
Opply
Opply develops an agentic operating system for consumer packaged goods businesses. Its technology supports procurement and supply chain operations by automating supplier-related workflows and operational decisions. In October 2026, Opply announced $7.5 million in funding.
Vesta
Vesta develops AI-native mortgage origination software. Its agents automate document processing, loan review, and other lending workflows while supporting human oversight. In October 2026, Vesta raised $30 million to expand its agent-powered mortgage platform.
Jooba
Jooba develops AI-powered recruiting services that automate candidate discovery and outreach. Its platform builds targeted recruiting workflows and identifies potential hires for employers, reducing the manual work involved in sourcing candidates.
Brickanta
Brickanta develops an agentic AI platform for construction businesses. Its technology supports bid analysis, cost estimation, and procurement workflows, helping construction teams process project information and prepare decisions. In January 2026, Brickanta announced an $8 million seed round.
Regie.ai
Regie.ai develops AI prospecting and sales engagement software. Its platform combines account research, prospect prioritization, and outreach automation to help sales teams manage outbound workflows across their existing sales technology.
Fuse AI
Fuse AI develops an agentic outbound sales platform for go-to-market teams. Its technology automates prospecting workflows, account research, and sales execution tasks to reduce manual work during outbound campaigns.
Topo
Topo develops AI agents for outbound sales activities. Its platform helps businesses identify prospects, coordinate outreach, and automate parts of the sales development process, including follow-up and meeting generation.
Nooks
Nooks develops AI-powered sales execution technology for prospecting, calling, and revenue workflows. Its platform combines sales signals, automated research, dialing infrastructure, and agent-based capabilities to support outbound and pipeline development.
Stormy
Stormy develops AI agents for influencer marketing and creator outreach. Its technology helps marketing teams identify creators, manage communications, and automate repetitive tasks involved in influencer campaigns.
11x
11x develops AI digital workers for sales and go-to-market operations. Its platform focuses on autonomous prospecting, lead research, outreach, and related sales development activities, helping companies coordinate repetitive outbound workflows.
7AI
7AI develops autonomous AI agents for cybersecurity operations. Its platform handles security alert investigation, threat hunting, and other operational tasks. In July 2026, 7AI introduced Federated SIEM and additional agent-building capabilities for enterprise security teams.
Rein Security
Rein Security develops runtime security technology for enterprise AI agents. Its platform monitors agent behavior and applies controls to protect business systems and sensitive information. In October 2026, Rein announced $25 million in Series A funding.
Geordie AI
Geordie AI provides security and governance software for autonomous AI agents. Its platform helps enterprises discover agents, monitor their activity, and manage security risks across agent workflows. In May 2026, Geordie raised $30 million in Series A funding.
Reco
Reco develops security technology for SaaS environments and AI agents. Its platform identifies applications and autonomous agents operating across enterprise systems, helping security teams monitor access and manage risk. In September 2026, Reco announced $55 million in additional funding.
Noma Security
Noma Security develops security technology for AI applications, models, and autonomous agents. Its platform addresses risks across the AI lifecycle, including model vulnerabilities, agent behavior, and production AI security.
Eve Security
Eve Security develops runtime governance and security software for enterprise AI agents. Its platform inventories agent connections and applies controls to tool calls and actions, helping organizations manage autonomous systems operating across business applications.
Gray Swan AI
Gray Swan AI develops AI security testing and evaluation technology. Its platform uses adversarial testing and automated assessments to identify vulnerabilities in AI systems and agent deployments. In May 2026, the company announced $40 million in Series A funding.
White Circle
White Circle develops AI monitoring, security, and behavior control technology. Its platform helps businesses evaluate model and agent interactions, detect policy violations, and apply safeguards to applications operating in production.
CodeIntegrity
CodeIntegrity develops runtime security technology that controls AI agent actions before they interact with sensitive systems. Its platform supports agent discovery, policy enforcement, and audit trails. In May 2026, CodeIntegrity raised $5 million in seed funding.
Daytona
Daytona develops sandbox and execution infrastructure for autonomous AI agents. Its platform provides isolated computing environments where agents can write code, run applications, and execute tasks. In October 2026, Daytona raised $60 million in Series B funding at a $1 billion valuation.
Mastra
Mastra develops an open-source TypeScript framework for building AI agents and workflows. Its platform includes agent orchestration, memory, observability, evaluation, and deployment tools. In April 2026, Mastra raised $22 million in Series A funding to expand its developer platform.
Restate
Restate develops durable execution infrastructure for distributed applications and AI agents. Its technology allows long-running tasks to recover from failures while preserving workflow state. In September 2026, Restate raised $20 million in Series A funding.
Raindrop
Raindrop develops monitoring and reliability technology for production AI agents. Its platform identifies failures and unexpected agent behavior across real-world interactions. In September 2026, Raindrop announced its Series A and $50 million in total funding alongside a new simulation product.
Laminar
Laminar develops open-source observability and tracing tools for AI applications and agents. Its platform helps developers inspect execution traces, evaluate performance, and identify failures across complex agent workflows.
Coval
Coval develops simulation and evaluation infrastructure for conversational AI agents. Its tools help businesses test voice and chat agents against realistic scenarios before deploying them into production.
Maihem
Maihem develops AI testing and evaluation technology. Its platform helps teams assess conversational agents, identify reliability problems, and improve performance using automated evaluation workflows.
Lucidic
Lucidic develops monitoring and debugging infrastructure for AI agents. Its technology helps developers investigate agent behavior, understand failures, and improve reliability in production environments.
Agnost AI
Agnost AI provides monitoring and continuous improvement technology for AI agents. Its platform analyzes production conversations to detect errors, identify user frustration, and recommend fixes. The startup participated in Y Combinator's Summer 2026 batch.
Orthogonal
Orthogonal develops infrastructure that allows AI agents to access payment-enabled APIs and digital services. Its technology supports agent interactions with third-party systems, helping developers connect autonomous workflows to external tools and transactions.
Sapiom
Sapiom develops payment infrastructure for AI applications and autonomous agents. Its products help agents access paid tools and complete authorized transactions using spending controls, permissions, and transaction records.
Ampersand
Ampersand develops integration infrastructure connecting AI agents with enterprise systems of record. Its technology allows agent applications to read and update information inside tools such as CRMs and ERPs. In October 2026, Ampersand raised $15 million in Series A funding.
Hyperspell
Hyperspell develops memory and context infrastructure for AI agents. Its technology helps autonomous systems retain and retrieve relevant information across applications and previous interactions, enabling more context-aware execution.
Asymptote Labs
Asymptote Labs develops runtime visibility and control infrastructure for enterprise AI agents. Its open-source Beacon project captures agent activity across different environments and tools. In October 2026, the startup raised $5.5 million in seed funding.
NewCore
NewCore develops identity management technology for human employees, machines, and AI agents. Its platform addresses authentication, access control, and governance for autonomous systems. In June 2026, NewCore emerged from stealth with $66 million in funding.
OneCLI
OneCLI develops infrastructure for delegating and managing tasks across AI agents. Its open-source tools help developers coordinate autonomous execution and agent workflows across software development environments.
Why AI Agent Startups Matter in 2026
AI agents are expanding beyond conversational assistance into software development, customer support, sales, healthcare, legal operations, and other business workflows. Startups are developing systems that can interact with applications, use tools, process information, and execute multi-step tasks with varying levels of human oversight.
This growth is creating opportunities for companies building specialized agents, developer infrastructure, security tools, and enterprise integrations. Tracking funding rounds, product launches, partnerships, and customer expansion helps identify startups developing new agent capabilities and entering established software markets.
How We Built This List
Agent Jesse searched the live web for AI agent startups active in 2026, including funding announcements, product launches, accelerator cohorts, technology partnerships, hiring activity, and industry news.
The research covers companies developing autonomous AI agents for enterprise workflows, software engineering, sales, customer service, healthcare, legal operations, and other specialized use cases. We also included startups building the execution, security, monitoring, and payment infrastructure used by AI agents. Duplicate entries were consolidated, and company information and notable 2026 developments were reviewed using public sources.
Last reviewed: October 23, 2026
Frequently Asked Questions
What is an AI agent startup?
An AI agent startup develops software that uses artificial intelligence to plan, make decisions, use tools, and execute tasks toward specific goals. These companies may build general-purpose autonomous agents, specialized industry agents, or infrastructure for developing and operating AI agent systems.
Which are the leading AI agent startups in 2026?
Leading AI agent startups in 2026 include Manus, Sierra, Decagon, Parloa, Cognition, Lovable, Harvey, Legora, Gumloop, EliseAI, Hippocratic AI, and CodeRabbit. Other companies such as Daytona, Mastra, and Raindrop provide infrastructure for building and managing agents.
Which AI agent startups raised funding in 2026?
AI agent startups announcing major funding rounds in 2026 include Cognition, Harvey, Legora, Lovable, EliseAI, Parloa, Decagon, Gumloop, Daytona, CodeRabbit, Mastra, and Rein Security. Funding activity spans coding agents, customer service automation, legal AI, and agent infrastructure.
Which startups are building AI agents for businesses?
Enterprise-focused AI agent startups include Sierra, Decagon, Parloa, Gumloop, Regie.ai, 11x, Lyzr, EliseAI, FurtherAI, and Vesta. Their technologies automate customer interactions, internal workflows, sales processes, and specialized business operations.
Which startups are building autonomous coding agents?
Companies developing autonomous coding and software engineering technology include Cognition, Replit, Factory, Lovable, Emergent, CodeRabbit, and Poolside. These platforms help developers generate code, build applications, review software changes, and automate development tasks.
What is the difference between an AI agent startup and an AI infrastructure startup?
AI agent startups develop applications that perform tasks, such as customer support, coding, or business operations. AI infrastructure startups provide the underlying execution environments, orchestration, monitoring, security, integrations, and payment systems that help agents operate reliably.
How can I find newly funded AI agent startups in 2026?
Agent Jesse searches the live internet for AI agent startups announcing funding, launching products, joining accelerators, hiring, forming partnerships, and expanding operations. You can search for companies by industry, geography, funding activity, agent technology, or recent business developments.
Find Your Next Prospects With Agent Jesse
Agent Jesse searches the live internet for startups raising funding, launching AI agents, announcing partnerships, hiring, adopting new technologies, and expanding into new markets.