Opus 5 Reportedly Crushes Fable 5 in Benchmarks as Model Wars Heat Up

haider1 · x · 2026-07-25

The author compares current frontier models, claiming that Opus 5 comprehensively outperforms Fable 5 in core benchmarks for real work, while offering half the cost, better speed, and higher token efficiency.

He also predicts that the rumored Fable 5.1 is expected to drop within a week or two and will likely reclaim the performance crown.

Related event: Anthropic Releases Claude Opus 5 with Leading Benchmarks(64 posts)→

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