‹ PublicAI Index
The LLM benchmark aggregator.
Kimi K3.1 Pro
Moonshot · 2.8T · open weights
Strongest in Knowledge work (#5 of 208), weakest in Legal (#81 of 173). Above par in 20 of 20 scopes. Among the models it meets almost everywhere, it finishes behind Claude Opus 5.5 and Claude Fable 5.2 and ahead of Gemini 3.1 Pro and Grok 4.6.
§ 1 · Profile
What it is good at
Bars run from 50 — the average of the models each source lists — so right of the line is above par. The middle column is the gap to whoever leads that scope.
Agents59−7.4#22/2983/6
Knowledge work69.1−1.6#5/2082/2
Long-horizon work50.7−23.3#14/311/1
Web research52.9−11#16/351/2
Computer use56.5−11.6#22/681/2
Human preference64.6−4.2#23/3541/1
Human preference64.6−4.2#23/3541/1
Reasoning57.6−7.8#25/1952/5
Mathematics58.7−5.1#17/1521/2
Reasoning57.6−11.4#34/1471/3
Core abilities56.9−8.4#29/1992/4
Data analysis57.3−7.9#12/311/1
General intelligence58.1−11.3#37/1782/3
Coding53.3−12.9#54/1792/6
Agentic coding53.5−13.4#52/1732/5
Professional53.2−9.2#56/1942/2
Biology research58.7−12#8/311/1
IT operations59.5−14.3#9/331/1
Document design51−17.7#17/311/1
Legal51.4−14.5#81/1731/1
§ 2 · Head to head
What it beats, and what beats it
The same models turn up scope after scope. Counted once: where both were placed, who finished higher. Bars run right for Kimi K3.1 Pro, left for the other.
§ 3 · Sources
Where the numbers come from
6 publications, 18 figures. Every one links to the page it was read from.
LMArena Text 1483
Artificial Analysis Intelligence Index 46
GDPval-AA 1861
AA-Briefcase 1674
LiveBench 68.7LiveBench · Agentic 38.7LiveBench · Reasoning 91.1LiveBench · Coding 67.8LiveBench · Browser Use 75.9LiveBench · Data Analysis 79.1LiveBench · Research 82.1LiveBench · Design 73.7
Vals · Legal Research Bench 37.5%Vals · Harvey Legal Agent Benchmark 11.67%Vals · BioMysteryBench 75.56%Vals · SRE Bench 27.1%Vals · Vibe Code Bench 84.89% (OpenHands)Vals · ProofBench 91%
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