- Aliases
- claude-opus-5-5
- Pricing
- {"url":"https://models.dev","input":4,"output":20,"source":"models.dev","checked":"2026-11-14","context":1000000,"model_id":"claude-opus-5-5","provider":"anthropic","reasoning":true,"cache_read":0.2,"last_updated":"2026-09-22","open_weights":false,"release_date":"2026-09-22"}
- Graph Id
- models.dev:anthropic/claude-opus-5-5
- Maker Id
- wikidata:Q116758847
- Model Key
- claude-opus-5-5
- Arena Chat
- {"n":15793,"url":"https://lmarena.ai/leaderboard/text","rank":4,"unit":"rating","board":"chat","lower":1500.8247585419026,"upper":1512.7450761033979,"value":1506.7849173226505,"source":"LMArena chat","dataset":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset","history":[{"week":"2026-09-21","value":1508.554,"variant":"claude-opus-5.5-high","published":"2026-09-25"},{"week":"2026-09-28","value":1503.696,"variant":"claude-opus-5.5-high","published":"2026-10-02"},{"week":"2026-10-05","value":1507.076,"variant":"claude-opus-5.5-high","published":"2026-10-08"},{"week":"2026-10-12","value":1508.166,"variant":"Claude Opus 5.5 (High)","published":"2026-10-15"},{"week":"2026-10-19","value":1508.73,"variant":"Claude Opus 5.5 (High)","published":"2026-10-22"},{"week":"2026-10-26","value":1508.698,"variant":"Claude Opus 5.5 (High)","published":"2026-10-28"},{"week":"2026-11-02","value":1505.707,"variant":"Claude Opus 5.5 (High)","published":"2026-11-08"},{"week":"2026-11-09","value":1506.785,"variant":"Claude Opus 5.5 (High)","published":"2026-11-11"}],"variant":"Claude Opus 5.5 (High)","variants":[{"n":15793,"name":"Claude Opus 5.5 (High)","rank":4,"lower":1500.8247585419026,"upper":1512.7450761033979,"value":1506.7849173226505}],"published":"2026-11-11"}
- Categories
- AI model
- Maker Name
- Anthropic