Unverified50% confidenceBenchmarkExact time
Haiku 5.5's score on Humanity's Last Exam improved from 10.2% to 45.9% without tools, and from 18.7% to 57.4% with tools.
1
Sources
50%
Confidence
Long-term
Relevance
10/8/2026
First Seen
Sources
Related Entities
Related Claims
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