Unverified50% confidenceBenchmarkExact time
Official benchmarks show Kimi K3.1 Pro scoring 65.7 on Terminal Bench, second only to Opus 5.5's 66.4; 1846 ELO on GDP Val versus Opus 5.5's 1866; and 79.6 on OS World, on par with Opus and Fable.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/24/2026
First Seen
Valid until: 11/7/2026
Sources
Kimi K3.1 Open-Weight Model Hands-On: 3 Trillion Parameters Take On Closed-Source Giants
youtubeMatthew Berman10/24/2026
Related Entities
Related Claims
UnverifiedThe official disclosure states that Kimi K3.1 Pro achieved a score of 65.7% on the Terminal-Bench 4.0 benchmark.77% 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%.72% similarUnverifiedOn Terminal Bench 4.0, Kimi K3.1 Pro trails Claude Opus 5.5 by less than 1 point while leading GPT-6 Astra.71% similarUnverifiedKimi K3.1 Pro scored 65.7 on terminal real-world tasks, only 0.7 points behind Claude Opus while overtaking Astra.70% similarUnverifiedKimi K3.1 Pro scored 51.7 on coding tasks, surpassing Claude Opus's 46.3 by 5.4 points.68% similar
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