Unverified50% confidenceBenchmarkExact time
Claude Fable 5.1 scored 73.4 on CursiveBench 3.2.0 and comprehensively surpassed its predecessor on benchmarks including OS World 2.0.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/4/2026
First Seen
Valid until: 12/3/2026
Sources
Related Entities
Related Claims
UnverifiedOn Terminal-Bench 4.0, the standard version of Claude 5.1 scored 55.8% and the trusted version reached 60.9%; the OS World 2.0 partial completion rate was 77.9%.75% similarUnverifiedFable 5.1 scored 52.6% on the Terminal Bench Science 0.1 benchmark, more than doubling the score of its previous generation.66% similarUnverifiedFable 5 scored 80.3 on the SWE Bench Pro programming test, while OpenAI's GPT 5.5 scored only 58.6.61% similarUnverifiedGrok 4.5 achieved 83.3% on Terminal Bench 2.1, surpassing Opus 4.8.60% similarUnverifiedThe flagship Soul achieved a score of 91.9% on the Terminal Bench 2.1 benchmark.59% similar
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