Kimi K3 Flash Benchmarks, Pricing & Rankings

Moonshot AI · 2026-08-02 · Open · Current

Snapshot 2026-10-14 · updated weekly

Kimi K3 Flash ranks #33 of 42 on the AMR leaderboard.

Kimi K3 Flash benchmark scores

GPQA Diamond70.2%
MMLU-Pro68.9%
SWE-Bench Verified42.6%
AIME 202567.8%
LiveCodeBench v658.4%
Arena Elo1325

Kimi K3 Flash price, speed & context

Input price

$0.14

per 1M tokens

Output price

$0.55

per 1M tokens

Speed

296

tok/s

Context

256K

tokens

About Kimi K3 Flash

Kimi K3 Flash carries the Kimi long-context DNA at flash pricing and is a strong open alternative to Gemini 3.8 Flash.

Models around Kimi K3 Flash in the rankings

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Kimi K3 Flash FAQ

Where does Kimi K3 Flash rank?

Kimi K3 Flash ranks #33 of 42 tracked AI models on the AMR aggregate as of October 2026, with an aggregate score of 76.0. Its strongest dimension is GPQA Diamond at 70.2%.

How much does Kimi K3 Flash cost?

Kimi K3 Flash costs $0.14 per million input tokens and $0.55 per million output tokens on the standard API. At a typical 1:3 input/output agent workload, that blends to roughly $0.45 per million tokens.

What is the Kimi K3 Flash context window?

Kimi K3 Flash supports a 256K token context window and generates at a median 296 output tokens per second. That context fits roughly 171 standard documents in a single prompt.

Is Kimi K3 Flash open source?

Yes — Kimi K3 Flash ships open weights that you can download and self-host or serve through any compatible inference provider.

What is better than Kimi K3 Flash?

MiMo-V2.6-Pro ranks one place higher at #32 with an AMR score of 78.0. Kimi K3 Flash still wins 0 of the tracked dimensions head-to-head — check the comparison table to see exactly which.