[Model Studio] Notice of Changes to Certain Model Fields
Apr 12, 2026
Alibaba Cloud Model StudioAffected Time
Change Model
All models in Model Studio that are compatible with the OpenAI API protocol
Change Details
Completions API: The parameter controlling the total number of tokens generated by the model (including reasoning/output tokens, excluding input tokens) will be updated to the new parameter max_completion_tokens. The legacy parameter max_tokens will remain compatible for a short transition period and will be deprecated before May 30, 2026.
- Friendly Reminder: If you have previously used the max_completion_tokens parameter incorrectly in your API calls, please update your code promptly, as this may cause API errors once the parameter change officially takes effect.
Responses API: The parameter controlling the total number of tokens generated by the model (including reasoning/output tokens, excluding input tokens) will be updated to the new parameter max_output_tokens.
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