Comparison
open-webui vs R2R
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| open-webui | R2R | |
|---|---|---|
| Tagline | User-friendly AI Interface (Supports Ollama, OpenAI API, ...) | SoTA production-ready AI retrieval system. |
| Stars | 145k | 7.9k |
| Forks | 21k | 644 |
| Open issues | 339 | 121 |
| Language | Python | Python |
| License | Other | MIT |
| Last pushed | Jul 2, 2026 | Nov 7, 2025 |
| Categories | Inference & Serving, LLM Frameworks | Data & Retrieval, LLM Frameworks |
Choose open-webui if…
- More widely adopted - 145k stars vs 7.9k.
- More recently updated (last pushed Jul 2, 2026).
- Also covers Inference & Serving.