Free Alternative to ChatGPT
16 free & open-source projects that replace ChatGPT.
Compare at a Glance
Top 8 of 16| vs ChatGPT |  openclaw |  hermes-agent |  open-webui |  librechat |  chatbot-ui |  heretic |  gbrain |  xiaozhi-esp32 |
|---|---|---|---|---|---|---|---|---|
| Stars | 391k | 249k | 154k | 45k | 33k | 33k | 30k | 30k |
| Forks | 82k | 53k | 22k | 9.3k | 9.4k | 3.7k | 4.6k | 7.0k |
| Contributors | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Last Commit | Jun 3, 2026 | Jun 4, 2026 | Mar 6, 2026 | Mar 6, 2026 | Aug 3, 2024 | Aug 17, 2026 | Jun 25, 2026 | Aug 30, 2026 |
| License | NOASSERTION | MIT | BSD 3-Clause License | MIT | MIT | AGPL-3.0 | MIT | MIT |
| Language | TypeScript | Python | Python | TypeScript | TypeScript | Python | TypeScript | C++ |
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