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Pro-active option to enable gpt-5 use in Agents Playground #574
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Added note about gpt-5 model config, as it doesn't support obsolete parameters like "temperature" and "top_p", which are still available in the Agents Playground. That's why the value of those 2 parameters should remain at default "1" to prevent "unsupported parameter" error message.
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           Learn Build status updates of commit fd68f9c: ✅ Validation status: passed
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Pull Request Overview
This PR adds a proactive note about gpt-5 model configuration in the Agents Playground to prevent common user errors. Since gpt-5 models do not support the obsolete temperature and top_p parameters that are still present in the UI, users need guidance to avoid encountering "unsupported parameter" errors.
Key changes:
- Added documentation note warning users to keep 
temperatureandtop_pat default value of1when using gpt-5 models in Agents Playground 
| > * Brazil south | ||
| > * The gpt-5 models are available for the [code interpreter](../how-to/tools/code-interpreter.md) and [file search](../how-to/tools/file-search.md) tools | ||
| > * [Registration](https://aka.ms/openai/gpt-5/2025-08-07) is required to use the gpt-5 models. Access will be granted according to Microsoft's eligibility criteria. | ||
| > * As gpt-5 models [don't support](../../openai/how-to/reasoning.md?tabs=gpt-5%2Cpython%2Cpy#not-supported) `temperature` and `top_p` parameters, leave their values set to `1` in the Agents Playground, to avoid "unsupported parameter" errors. | 
    
      
    
      Copilot
AI
    
    
    
      Oct 23, 2025 
    
  
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[nitpick] The phrasing 'leave their values set to 1' is ambiguous about whether this is the default state or requires user action. Consider rephrasing to: 'keep the default values of 1 for both parameters' or 'don't modify the default temperature and top_p values (both set to 1)' to clarify that maintaining defaults is the solution.
| > * As gpt-5 models [don't support](../../openai/how-to/reasoning.md?tabs=gpt-5%2Cpython%2Cpy#not-supported) `temperature` and `top_p` parameters, leave their values set to `1` in the Agents Playground, to avoid "unsupported parameter" errors. | |
| > * As gpt-5 models [don't support](../../openai/how-to/reasoning.md?tabs=gpt-5%2Cpython%2Cpy#not-supported) `temperature` and `top_p` parameters, don't modify the default `temperature` and `top_p` values (both set to `1`) in the Agents Playground, to avoid "unsupported parameter" errors. | 
| > * Brazil south | ||
| > * The gpt-5 models are available for the [code interpreter](../how-to/tools/code-interpreter.md) and [file search](../how-to/tools/file-search.md) tools | ||
| > * [Registration](https://aka.ms/openai/gpt-5/2025-08-07) is required to use the gpt-5 models. Access will be granted according to Microsoft's eligibility criteria. | ||
| > * As gpt-5 models [don't support](../../openai/how-to/reasoning.md?tabs=gpt-5%2Cpython%2Cpy#not-supported) `temperature` and `top_p` parameters, leave their values set to `1` in the Agents Playground, to avoid "unsupported parameter" errors. | 
    
      
    
      Copilot
AI
    
    
    
      Oct 23, 2025 
    
  
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Use 'because' instead of 'as' to start the sentence. Following the Microsoft Writing Style Guide, 'because' is clearer and more direct than 'as' when expressing causation. The sentence should begin: 'Because gpt-5 models don't support...'
| > * As gpt-5 models [don't support](../../openai/how-to/reasoning.md?tabs=gpt-5%2Cpython%2Cpy#not-supported) `temperature` and `top_p` parameters, leave their values set to `1` in the Agents Playground, to avoid "unsupported parameter" errors. | |
| > * Because gpt-5 models [don't support](../../openai/how-to/reasoning.md?tabs=gpt-5%2Cpython%2Cpy#not-supported) `temperature` and `top_p` parameters, leave their values set to `1` in the Agents Playground, to avoid "unsupported parameter" errors. | 
Added note about gpt-5 model config, as it doesn't support obsolete parameters like "temperature" and "top_p", which are still available in the Agents Playground. That's why the value of those 2 parameters should remain at default "1" to prevent "unsupported parameter" error message.