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[PR #10593] fix: Azure OpenAI o1 max_completion_token error #26875

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opened 2026-02-21 20:40:26 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 20:40:26 -05:00
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Original Pull Request: https://github.com/langgenius/dify/pull/10593

State: closed
Merged: Yes

Checklist:

Important

Please review the checklist below before submitting your pull request.

  • Please open an issue before creating a PR or link to an existing issue
  • I have performed a self-review of my own code
  • I have commented my code, particularly in hard-to-understand areas
  • I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods

Description

Fix https://github.com/langgenius/dify/issues/9746

The deployment name of our o1 model is 'gpt-o1'. When adding the model, we encountered an error: "Unsupported parameter: 'max_tokens' is not supported with this model. Use 'max_completion_tokens' instead." After reviewing the code, we found that the logic checks if the model name starts with 'o1'. If the deployment name doesn't start with 'o1', the model cannot be added properly. Therefore, the logic should be changed to check if 'o1' exists anywhere in the model name instead of just at the beginning.

image

Type of Change

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • This change requires a documentation update, included: Dify Document
  • Improvement, including but not limited to code refactoring, performance optimization, and UI/UX improvement
  • Dependency upgrade

Testing Instructions

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

  • Test A
  • Test B
**Original Pull Request:** https://github.com/langgenius/dify/pull/10593 **State:** closed **Merged:** Yes --- # Checklist: > [!IMPORTANT] > Please review the checklist below before submitting your pull request. - [ ] Please open an issue before creating a PR or link to an existing issue - [x] I have performed a self-review of my own code - [x] I have commented my code, particularly in hard-to-understand areas - [x] I ran `dev/reformat`(backend) and `cd web && npx lint-staged`(frontend) to appease the lint gods # Description Fix https://github.com/langgenius/dify/issues/9746 The deployment name of our o1 model is 'gpt-o1'. When adding the model, we encountered an error: "Unsupported parameter: 'max_tokens' is not supported with this model. Use 'max_completion_tokens' instead." After reviewing the code, we found that the logic checks if the model name starts with 'o1'. If the deployment name doesn't start with 'o1', the model cannot be added properly. Therefore, the logic should be changed to check if 'o1' exists anywhere in the model name instead of just at the beginning. ![image](https://github.com/user-attachments/assets/4ebb4d5b-f9e3-4359-aac9-be6d313b4e5f) ## Type of Change - [x] Bug fix (non-breaking change which fixes an issue) - [ ] New feature (non-breaking change which adds functionality) - [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected) - [ ] This change requires a documentation update, included: [Dify Document](https://github.com/langgenius/dify-docs) - [ ] Improvement, including but not limited to code refactoring, performance optimization, and UI/UX improvement - [ ] Dependency upgrade # Testing Instructions Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration - [ ] Test A - [ ] Test B
yindo added the pull-request label 2026-02-21 20:40:26 -05:00
yindo closed this issue 2026-02-21 20:40:26 -05:00
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Reference: langgenius/dify#26875
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