Unverified50% confidenceBenchmarkExact time
On Terminal-Bench 4.0, Haiku 5.5 scores 39.2% versus Opus 5.5's 70.6%.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/14/2026
First Seen
Valid until: 1/12/2027
Sources
Related Entities
Related Claims
UnverifiedIn the creator's benchmark, Haiku 5.5's Terminal Bench score improved from 0% on Haiku 4.5 to nearly 40%.79% similarUnverifiedHaiku 5.5's score on Terminal Bench 4.0 rose from 0% in the previous generation to 39.2%.73% similarUnverifiedHaiku 5.5's terminal programming Terminal-Bench score is 39.2%, which is 31 points lower than Sonnet 5.5's 70.6%, while the knowledge work GDPVal increased from 735 in the previous generation to 1620.71% similarUnverifiedOn Terminal-Bench 4.0, Haiku 5.5 scored 39.2 and GPT-6 Luna scored 16.4.71% similarUnverifiedHaiku 5.5 improved from 6.4% to 46.4% on the Chartography benchmark.71% similar
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