Unverified50% confidenceBenchmarkExact time
On Terminal Bench 4.0, Kimi K3.1 Pro trails Claude Opus 5.5 by less than 1 point while leading GPT-6 Astra.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/23/2026
First Seen
Valid until: 11/6/2026
Sources
Related Entities
Related Claims
UnverifiedOpus 5.5 is not first across the board: on Automation Bench it scored 40, slightly below Astra's 41.4, and on Terminal Bench Science it trails GPT-6 Astra.75% similarUnverifiedTerminal Bench 4.0's 42.3 points surpass GPT5.6 Soul and GLM5.3, but there is still a 22-point gap to Claude Opus 5.5's 64.8 points.75% 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%.74% similarVerifiedOn Terminal-Bench 4.0, Claude Opus 5.5 leads with 66.4%, followed by GPT-6 Astra at 61.8% and Argon at 57.4%.72% similar
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