Free autonomous AI agents
Agents plan and carry out tasks on their own: writing code and working with files, browsers, and messengers. Everything below is free to run — you only pay for the model, and you can pick one from our free API catalog.
10 tools9 open source
| # | Tool ↕ | What is free | License | Platforms | GitHub ↕ | |
|---|---|---|---|---|---|---|
| 1 | OpenClaw OpenClaw Foundation |
Completely free under MIT with no paid or hosted tier; it runs on your own machine and you pay only for the model API you connect, or use local models via Ollama. | Open source MIT |
WindowsmacOSLinuxCLI | ★ 390,300 | |
| 2 |  Hermes Agent Nous Research |
Fully free and self-hosted under MIT; you pay only for the LLM API you connect (70+ providers incl. OpenRouter) or run local models via Ollama, vLLM, llama.cpp or LM Studio. Nous Portal plans from $20/mo are optional. | Open source MIT |
WindowsmacOSLinuxDockerCLI | ★ 248,400 | |
| 3 | AutoGPT Significant Gravitas |
Self-hosting via Docker is free for personal and internal business use with your own model keys or Ollama; the managed cloud is paid per agent run. | Free tier Polyform Shield 1.0.0 / MIT (classic) |
WindowsmacOSLinuxDockerWeb | ★ 187,500 | |
| 4 | Browser Use Browser Use |
The Python library is free under MIT and runs locally with your own LLM keys or Ollama; the hosted cloud is paid, with $15 in free credits for new sign-ups. | Open source MIT |
WindowsmacOSLinuxCLIDocker | ★ 116,100 | |
| 5 | OpenHands OpenHands (All Hands AI) |
The self-hosted version is free under MIT with any LLM (your own key or a local model); the OpenHands Cloud Individual plan is free with your own key, limited to 10 conversations per day. | Open source MIT |
WindowsmacOSLinuxWebDockerCLI | ★ 89,000 | |
| 6 | CrewAI CrewAI Inc. |
The Python framework is free under MIT and works with any LLM via LiteLLM, including Ollama and LM Studio. | Open source MIT |
WindowsmacOSLinuxCLI | ★ 59,000 | |
| 7 | OpenManus FoundationAgents (MetaGPT contributors) |
Free and open source (MIT), runs locally on Python; you pay only for the OpenAI-compatible LLM API set in config.toml, which can point to OpenRouter or a local server. | Open source MIT |
WindowsmacOSLinuxCLI | ★ 58,400 | |
| 8 | nanobot HKUDS (University of Hong Kong) |
Free, open source and self-hosted; connect OpenRouter, any OpenAI-compatible API or local models via Ollama/vLLM and pay only for API usage, if any. | Open source MIT |
WindowsmacOSLinuxDockerCLI | ★ 48,500 | |
| 9 | Agent Zero agent0ai |
Free and open source (MIT), self-hosted in Docker or through its desktop launcher; you pay only for the LLM API you use, or run local models via Ollama. | Open source MIT |
WindowsmacOSLinuxDocker | ★ 19,300 | |
| 10 | Letta Code Letta |
Letta Code is Apache-2.0 and can run fully locally with Ollama or LM Studio or with your own keys; the Letta platform free plan allows 3 stateful agents. | Open source Apache-2.0 |
WindowsmacOSLinuxCLIWeb | ★ 3,400 |
Nothing found.
Need a free model for these tools? Pick one in the catalog — every model card has a base URL and a code sample. Coding models · Models for agents