[GH-ISSUE #16856] feat: Support for Seed-OSS model #56742

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opened 2026-05-05 20:02:13 -05:00 by GiteaMirror · 2 comments
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Originally created by @bgreene2 on GitHub (Aug 23, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/16856

Check Existing Issues

  • I have searched the existing issues and discussions.

Problem Description

Bytedance Seed-OSS uses new tags to delimit its reasoning: <seed:think>, </seed:think>. Open WebUI doesn't parse this, so the thinking isn't separated.

Desired Solution you'd like

Open WebUI recognizes <seed:think></seed:think> as <think></think> tags.

Alternatives Considered

No response

Additional Context

No response

Originally created by @bgreene2 on GitHub (Aug 23, 2025). Original GitHub issue: https://github.com/open-webui/open-webui/issues/16856 ### Check Existing Issues - [x] I have searched the existing issues and discussions. ### Problem Description [Bytedance Seed-OSS](https://huggingface.co/ByteDance-Seed/Seed-OSS-36B-Instruct) uses new tags to delimit its reasoning: `<seed:think>`, `</seed:think>`. Open WebUI doesn't parse this, so the thinking isn't separated. ### Desired Solution you'd like Open WebUI recognizes `<seed:think></seed:think>` as `<think></think>` tags. ### Alternatives Considered _No response_ ### Additional Context _No response_
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@silentoplayz commented on GitHub (Aug 25, 2025):

A related PR has been opened - https://github.com/open-webui/open-webui/pull/16880

<!-- gh-comment-id:3218534668 --> @silentoplayz commented on GitHub (Aug 25, 2025): A related PR has been opened - https://github.com/open-webui/open-webui/pull/16880
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@tjbck commented on GitHub (Aug 26, 2025):

Closing in favour of #16930

<!-- gh-comment-id:3223935422 --> @tjbck commented on GitHub (Aug 26, 2025): Closing in favour of #16930
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Reference: github-starred/open-webui#56742