[GH-ISSUE #4] Bug Report: gpt-5 returns error of "invalid schema for function 'read_file': None is not valid under any of the given schemas." #4

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opened 2026-10-18 21:09:39 +00:00 by bsakaguchi · 1 comment
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Originally created by @silenceroom on GitHub (Feb 22, 2026).
Original GitHub issue: https://github.com/open-webui/open-terminal/issues/4

While other models like Kimi-2.5, MiniMax-2.5, GLM-5 works fine, the GPT-5 serirous model returns with error:
"invalid schema for function 'read_file': None is not valid under any of the given schemas."

The gpt-5 models deployed with Azure AI, function call mode in "native".

Originally created by @silenceroom on GitHub (Feb 22, 2026). Original GitHub issue: https://github.com/open-webui/open-terminal/issues/4 While other models like Kimi-2.5, MiniMax-2.5, GLM-5 works fine, the GPT-5 serirous model returns with error: "invalid schema for function 'read_file': None is not valid under any of the given schemas." The gpt-5 models deployed with Azure AI, function call mode in "native".
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@tjbck commented on GitHub (Feb 24, 2026):

#5 In open-webui/open-terminal;

<!-- gh-comment-id:3948146104 --> @tjbck commented on GitHub (Feb 24, 2026): #5 In open-webui/open-terminal;
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open-webui/open-terminal#4
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