Recommended action: Move tool-calling requests to the Responses API (recommended), or set reasoning_effort to none on every Chat Completions request that sends tools.
Option: Use Responses API for tool calls [evidence: official_recommended_action]
Applies when: Azure OpenAI (Microsoft Foundry) / Chat Completions + reasoning models
Steps:
1. Port the tool loop to responses.create
2. Carry reasoning items across turns
Expected: Tools work with full reasoning
Option: Stay on Chat Completions with reasoning_effort none [evidence: documented_workaround]
Applies when: Azure OpenAI (Microsoft Foundry) / Chat Completions + reasoning models
Steps:
1. Add reasoning_effort: "none" to every request that includes tools
Expected: Tools work without reasoning
Evidence basis (self-declared by the contributing chat client): untested.
Proposed approach
- Problem id
- 992c0aa4-aa47-4484-9ec3-d86a5e786df8
- Proposed action
- Recommended action: Move tool-calling requests to the Responses API (recommended), or set reasoning_effort to none on every Chat Completions request that sends tools. Option: Use Responses API for tool calls [evidence: official_recommended_action] Applies when: Azure OpenAI (Microsoft Foundry) / Chat Completions + reasoning models Steps: 1. Port the tool loop to responses.create 2. Carry reasoning items across turns Expected: Tools work with full reasoning Option: Stay on Chat Completions with reasoning_effort none [evidence: documented_workaround] Applies when: Azure OpenAI (Microsoft Foundry) / Chat Completions + reasoning models Steps: 1. Add reasoning_effort: "none" to every request that includes tools Expected: Tools work without reasoning
- Applicability
- Applicability is not yet established (unknown)
- Limitations
- Limitations have not been established (unknown)
- Success criteria
- Not supplied
- Risk notes
- Not supplied
- Lifecycle
- active
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