19 free AI agents with an API. 5 are still in alpha or beta. Newest check: 9 Nov 2026.
46 of 93 agents were checked against the vendor's own page in the last 30 days.
| Agent | Where it runs | Price | Maturity | Checked |
|---|---|---|---|---|
| Hermes AgentThe open-source AI agent that learns your workflows and gets faster the more you use it. | Cloud · Your machine · API | Free plan | Available | 9 Nov |
| OpenAI CodexClones your repo, writes the code, opens the pull request. No keyboard required. | Cloud · Your machine · API | Free plan | Enterprise | 6 Nov |
| OpenHandsOpen-source AI agent that plans, codes, tests, and ships pull requests | Cloud · Your machine · API | Free plan | Available | 3 Nov |
| StellarFirmA team of AI assistants you run as CEO, with Approve on every send. | Cloud · Your machine · API | Free plan | Alpha | 29 Oct |
| ArtisanThe autonomous AI BDR that runs outbound sales end to end. | Cloud · API | Free plan | Enterprise | 28 Oct |
| nanobotA free, self-hosted AI assistant with a browser workbench and chat-app reach. | Your machine · API | Free | Available | 23 Oct |
| PokeA personal AI agent you text, and that texts you first. | Cloud · API | Free plan | Available | 21 Oct |
| OpenCodeOpen source coding agent that works with any model, in terminal, desktop or IDE. | Your machine · API | Free plan | Available | 18 Oct |
| Browser UseDescribe a web task in a sentence; an agent finishes it in a real browser. | Cloud · Your machine · API | Free plan | Available | 13 Oct |
| SkyvernOpen-source AI agent that runs browser workflows on any website. | Cloud · Your machine · API | Free plan | Available | 13 Oct |
| OpenClawSelf-hosted, open-source agent gateway that connects your chat apps to the AI model of your choice | Cloud · Your machine · API | Free | Beta | 4 Oct |
| Antigravity CLIGoogle's terminal agent for multi-file coding, subagents and browser checks. | Cloud · Your machine · API | Free plan | Available | 27 Sep |
| ClineOpen source AI coding agent that shows every edit before it runs. | Your machine · API | Free plan | Available | 27 Sep |
| DextoOpen-source agent framework with a free coding agent and 50+ swappable LLMs. | Cloud · Your machine · API | Free | Beta | 1 Sep |
| MutAgent9 AI agents that build, test, and fix your AI in production. | Cloud · Your machine · API | Free plan | Beta | 26 Aug |
| TsentaAI agent that auto-applies to 50,000+ jobs across all major ATSes. | Cloud · API | Free plan | Available | 26 Aug |
| BotrelicOmnichannel customer support AI agent with zero-repeat-question handoffs. | Cloud · API | Free plan | Enterprise | 19 Aug |
| JulesGoogle's async coding agent that clones your repo and opens a pull request while you work on something else. | Cloud · API | Free plan | Available | 25 Oct |
| MultiOnThe browser agent behind AGI, Inc., now replaced on the vendor site by AGI-0 | Cloud · API | Free plan | Beta | 13 Oct |
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