Unverified60% confidenceBenchmarkExact time
Fable 5.1 scored 52.6% on the Terminal Bench Science 0.1 benchmark, more than doubling the score of its previous generation.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
9/4/2026
First Seen
Valid until: 12/3/2026
Sources
Related Entities
Related Claims
UnverifiedClaude 5.1 scored 52.6% on Terminal-Bench Science, more than doubling the previous generation's score of 24.7%.69% similarUnverifiedOn 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%.68% similarVerifiedOn Terminal Bench 4.0, Opus 5.5 scored 66.4%, Astra scored 57.9%, Fable 5.1 scored 55.8%, and the previous generation Opus 5 scored 52.3%.68% similarUnverifiedThe Claude model's score on the Terminal Bench 4.0 terminal coding benchmark improved from 42% to nearly 56%.67% similarUnverifiedClaude Fable 5.1 scored 73.4 on CursiveBench 3.2.0 and comprehensively surpassed its predecessor on benchmarks including OS World 2.0.66% similar
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