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Moonshot AI

Kimi K3 benchmark results

9 results on 5 benchmarks from 3 sources.

Open weights Released: Jul 16, 2026 Updated Oct 23, 2026 API prices & specs →

Also listed as: Kimi K3 (Max) · kimi-k3_low · Kimi K3 (low) · kimi-k3_high · Kimi K3 (high) · kimi-k3_max · Kimi K3 (max)

All benchmark results

Benchmarks Score Rank Setting Source type Date
LMArena Text 1487 18 Overall, style control on; 35379 votes; 95% CI 1483–1492“Kimi K3 (Max)” Official leaderboard Oct 22, 2026
LMArena WebDev 1655 16 Overall; 20258 votes; 95% CI 1649–1661“Kimi K3 (Max)” Official leaderboard Oct 22, 2026
GPQA Diamond 93.1% 20 Epoch AI run, accuracy; effort: max Independent run Jul 16, 2026
GPQA Diamond 91.9% 26 Epoch AI run, accuracy; effort: high Independent run Aug 7, 2026
GPQA Diamond 84.8% 87 Epoch AI run, accuracy; effort: low Independent run Aug 7, 2026
AIME (OTIS Mock AIME 2024–2025) 97.2% 36 Epoch AI run, OTIS Mock AIME 2024–2025; effort: max Independent run Jul 16, 2026
AIME (OTIS Mock AIME 2024–2025) 93.3% 56 Epoch AI run, OTIS Mock AIME 2024–2025; effort: high Independent run Aug 7, 2026
AIME (OTIS Mock AIME 2024–2025) 68.9% 131 Epoch AI run, OTIS Mock AIME 2024–2025; effort: low Independent run Aug 7, 2026
τ²-bench 37.1% 11 banking_knowledge domain, pass^1; effort: max; submitted by Sierra; v1.0.1 Official leaderboard Jul 24, 2026

Where Kimi K3 ranks

Primary setting, one best-sourced score per model (official / independent first); neighbours in brackets.

BenchmarkScoreRankNearby models#1
LMArena Text1487#15 / 392 Gemini 3.7 Flash 1490 · Muse Spark 1489 · Gemini 3.1 Pro 1487 · Gemini 3 Pro 1486 Gemini 4 Argon1517
GPQA Diamond93.1%#19 / 217 GPT-5.4 93.3% · DeepSeek V4.1 Flash 1017 93.2% · Grok 4.7 92.7% · Qwen 3.8 Max 92.7% Gemini 4 Argon96.4%
LMArena WebDev1655#14 / 135 DeepSeek V4.1 Flash 1664 · Muse Spark 1.3 1657 · Muse Wonder 1651 · Grok 4.7 1637 Claude Opus 5.51807
AIME (OTIS Mock AIME 2024–2025)97.2%#33 / 200 Grok 4.5 97.8% · Gemini 3.7 Flash 97.2% · DeepSeek-V4-Pro 96.7% · Kimi K2.6 96.1% Gemini 4 Argon100.0%

Other Moonshot AI models

Kimi K2.5Kimi K2 ThinkingKimi K2.6

Related on this site

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FAQ

Where does Kimi K3 rank best?

LMArena Text: #15 of 392 (1487); #1 there is Gemini 4 Argon (1517).

Where do these Kimi K3 scores come from?

From Epoch AI Benchmarking Hub, LMArena leaderboard dataset, and τ²-bench leaderboard submissions. Each row links to the original leaderboard, dataset or report, and vendor-reported numbers are labelled.

Data updated: Benchmarks(UTC+8)