Execution failed: CAPIError: 400 Function tools with reasoning_effort are not...
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Description
Execution failed: CAPIError: 400 Function tools with reasoning_effort are not supported for gpt-5.6-sol in /v1/chat/completions. To use function tools, use /v1/responses or set reasoning_effort to 'none'. (Request ID: req_99ff04fbcb194c9a8969462fdcd7a452)
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| Field | Value |
| --- | --- |
| App version | 1.0.25 |
| OS | Windows 10.0.26200 |
| Theme | GitHub |
| Path | /chat |
| Tenure | Day 1 |
Contributor guide
Research direction
Start by reproducing the failure from the /chat path on Windows with app version 1.0.25, then trace the request involving /v1/chat/completions, function tools, and reasoning_effort. Done means the reported gpt-5.6-sol request no longer fails and uses a supported request configuration.
Written by the indexing model from the issue text.
Assessment
- Domain
- ai, api, desktop
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100