Anthropic Launches Claude Opus 5.5: Fable-Level Performance, 40% Lower Running Cost
Anthropic's Claude Opus 5.5 matches Fable 5.1 on most tasks, costs 40% less to run than Opus 5, and brings new pricing…
Sep 23, 2026
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Anthropic's Claude Opus 5.5 matches Fable 5.1 on most tasks, costs 40% less to run than Opus 5, and brings new pricing…
Sep 23, 2026