whats-new-opus-5 changedmodels/opus-5/whats-new-opus-5
Nearest release: v2.1.281, published an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
## New model ## New features ### Mid-conversation tool changes (beta) ### Default fallbacks mode ### Lower prompt cache minimum ### Fast mode ## Behavior changes ### Thinking on by default ### Effort matters more ### Disabling thinking requires effort `high` or below ### Model behavior differences ## Capability improvements ## Pricing ## Availability ## Migration guide ## Next steps
The whole hunk
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