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[FEATURE]: support adaptive thinking for claude sonnet 4.6 #14284
Description
- I have verified this feature I'm about to request hasn't been suggested before.
Describe the enhancement you want to request
I noticed Opus 4.6 already uses adaptive thinking in ProviderTransform.variants, but Sonnet 4.6 still falls back to type: "enabled" with budgetTokens.
Anthropic now recommends adaptive thinking for both Opus 4.6 and Sonnet 4.6, so it would be great to align Sonnet 4.6 with the same behavior.
Requested update:
- include Sonnet 4.6 in adaptive model detection
- return adaptive variants (
low,medium,high,max) for Anthropic, Gateway, and Bedrock paths - keep current manual
budgetTokensbehavior for other Anthropic models
I opened PR #14283 with this change plus tests.
Activity
github-actions commentedon Feb 19, 2026
This issue doesn't fully meet our contributing guidelines.
What needs to be fixed:
[FEATURE]:and include the required verification checkbox confirming you've searched for existing issues.Please edit this issue to address the above within 2 hours, or it will be automatically closed.
This issue might be a duplicate of existing issues. Please check:
ProviderTransform.variantsadaptive thinking change; [FEATURE]: support adaptive thinking for claude sonnet 4.6 #14284 extends it to Sonnet 4.6 specifically.If you believe this was flagged incorrectly, please let a maintainer know.
[-]support adaptive thinking for claude sonnet 4.6[/-][+][FEATURE]: support adaptive thinking for claude sonnet 4.6[/+]github-actions commentedon Feb 19, 2026
Thanks for updating the issue! It now follows the contributing guidelines and the feature request template. We appreciate the clear description of the current vs. requested behavior.
R44VC0RP commentedon Feb 19, 2026
Does the functionality when running
ctrl + tachieve what you are trying to do?