Under the hood
Useful2 Signal5
Some models cap reasoning effort when thinking is off, matched by name or capability.
What's wrong with this entry?
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What
A check now identifies models that cap reasoning effort when thinking is disabled, matching claude-opus-5 by name or any model whose capability list carries a thinking_disabled_effort_cap entry.
Details
- The capability lookup means the cap can apply to future models without a code change.
- Reworked in this release rather than introduced.
Evidence
claude-opus-5
Strings lifted out of the shipped bundle, so the claim above can be checked against them.