LaunchAI ModelsSeptember 29, 2026

Claude Opus 5.5 matches Fable 5.1 at under half the token price

Read original source →thenewstack.io

Anthropic released Claude Opus 5.5 on September 22, saying it performs at the level of Claude Fable 5.1 on most work while costing well under half as much per token at list price. It leads Fable 5.1 on Terminal-Bench 4.0, FrontierCode, and CursorBench.

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