🤖 feat: promote Claude Opus 5.1 as the opus model - #3993

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ThomasK33 wants to merge 5 commits into

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Commits on Aug 27, 2026

🤖 feat: promote Claude Fable 5.1 as the fable model
ibetitsmike
committed
e288521
fix: retain approximate-tokenizer overrides for retired fable-5/opus-4-8 ids
ibetitsmike
committed
8a2d5ca
fix: seed the legacy Fable 5 chain during the original seed pass for downgrade safety
ibetitsmike
committed
116066c
🤖 feat: promote Claude Opus 5.1 as the opus model
ThomasK33
committed
26d3cc4
fix: register Opus 5.1 in the terminal-bench leaderboard metadata map
ThomasK33
committed
2259d65