Exec Sum(@exec_sum):BREAKING: Anthropic releases Claude Opus 5.5, its first release since they started “pacing development.” Opus 5.5 performs better than Fable 5.1, while being 40% cheaper.

Exec Sum

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Exec Sum@exec_sum

2026.09.22 17:02

BREAKING: Anthropic releases Claude Opus 5.5, its first release since they started “pacing development.” Opus 5.5 performs better than Fable 5.1, while being 40% cheaper.

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