Unverified50% confidenceBenchmarkExact time
Claude 5.1 scored 60.9% on Humanities Last Exam without tools, rising to 65% with tools enabled.
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%.66% similarUnverifiedIn the long-cycle agentic workflow test (Engines Last Exam), GPT-5.6 Sol scored 53.6, outperforming Faber-5 by 13.1 points.66% similarUnverifiedIn the Agents' Last Exam benchmark, GPT-5.6 Sol achieved a score of 53.6, which is 13.1 points higher than Claude Fable 5 using adaptive reasoning.64% similarUnverifiedClaude 5.1 scored 52.6% on Terminal-Bench Science, more than doubling the previous generation's score of 24.7%.64% similar
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