compare
Ollama vs Open WebUI
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Ollama | Open WebUI |
|---|---|---|
| Language | Go | Python |
| Licence | MIT | Other |
| Stars | 182k | 154k |
| Latest | v0.35.1 | v0.11.4 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 4 days between releases | about 13 days between releases |
| Active contributors | 18 commit authors on the default branch in the last 90 days | 19+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace ChatGPT. Alternatives to ChatGPT →
PartialOllamaRuns open-weight models on your own machine behind a local API. Pair it with a chat app for the interface.
PartialOpen WebUIThe chat app, self-hosted, in front of Ollama or any OpenAI-compatible API. The model comes from elsewhere.
Both replace Claude. Alternatives to Claude →
PartialOllamaRuns open-weight models on your own machine behind a local API. Pair it with a chat app for the interface.
PartialOpen WebUIThe chat app, self-hosted, in front of Ollama or any OpenAI-compatible API. The model comes from elsewhere.
Ollama
- v0.40.0-rc62026-09-25v0.40.0pre-release
- v0.35.12026-09-29Ollama now supports Clef and Clef Flash, Cloudflare's new open-source decision models, through /v1/systemone.
- v0.35.02026-09-28Ollama now supports decision models through /v1/systemone, based on TypeSafe’s Jev API.
- v0.34.42026-09-23Structured outputs on thinking models now apply in a single pass, making them faster and more reliable.
- v0.34.32026-09-19GET /api/show now advertises each model's thinking controls and default:
Open WebUI
- v0.11.42026-09-21📉 Far smaller slim image. A slim build now comes down at around 175 MB, near enough 89% smaller than the last release,…
- v0.11.32026-08-31♿ Accessibility mode reaches the menus. Accessibility mode now marks the menu entry you are pointing at and the model a…
- v0.11.22026-08-31🖼️ Richer previews for terminal files. Word documents and slide decks produced in the terminal are now previewed as th…
- v0.11.12026-08-25🚦 Human in the loop tool approval. Where an administrator has turned it on, you can switch a conversation from letting…
- v0.11.02026-07-27🎨 Redesigned interface. Open WebUI has been visually rebuilt from the ground up. All aspects of the User Interface, fr…
Ollama
✓ signed The latest release, v0.35.1, carries a signature GitHub verified.
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Open WebUI
✓ signed The latest release, v0.11.4, carries a signature GitHub verified.
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