Ollama vs Onyx
Comparing two open source alternatives to ChatGPT and Claude . Use the comparison below to decide which one fits your needs.
Ollama
MITGet up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, Mistral Small 3.1 and other large language models.
Onyx
Onyx is an open-source AI chat and enterprise search platform with RAG that works with every LLM. Bring your own model, connect your tools, and unify all your team's knowledge.
Side-by-side comparison
| Ollama | Onyx | |
|---|---|---|
| License | MIT | — |
| Self-hostable | Yes | Yes |
| GitHub Stars | 178,682 | 31,621 |
| Forks | 17,431 | 4,352 |
| Open Issues | 3,722 | 402 |
| Last Commit | Aug 15, 2026 | Aug 16, 2026 |
| First Released | Jun 26, 2023 | Apr 27, 2023 |
| Categories | ||
| Tags |
GitHub stars over time
GitHub stars over time
Ollama
Onyx31,621
Similar open source alternatives
Lobe Chat
Open-source AI chat and agent platform with multi-provider support, RAG, plugins, and an agent marketplace — self-hostable ChatGPT alternative.
Alternative to: 
ChatGPT
ChatGPT
Open WebUI
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
Alternative to: ChatGPT
ChatGPT
Pi
Open-source AI agent toolkit with an interactive coding agent CLI, unified multi-provider LLM API, and TUI libraries.
Alternative to: 
Claude
Claude