Claude introduces Opus 5.5, the first model in the Claude 5.5 family

CClaude9/22/2026, 09:54:03

Claude is introducing Claude Opus 5.5 as the first model in its new Claude 5.5 family. Claude says it performs at the level of Claude Fable 5.1 for most tasks and costs 40% less to run than Opus 5.

#claude #opus-5.5 #claude-5.5 #model-release

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