Kimi K3.1 Pro vs Mistral Large 3

Which is better for the money: Kimi K3.1 Pro by Kimi or Mistral Large 3 by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.

Trade-off

KimiKimi K3.1 ProOn the frontier

Intelligence: 55.10
Total cost: $3117

MistralMistral Large 3Off the frontier

Intelligence: 9.30
Total cost: $46.4

Verdict

Depends on your budget

Kimi K3.1 Pro scores 45.8 points higher (55.1 vs 9.3) but costs 67× as much to run the benchmark ($3117 vs $46.4; flagship vs budget cost classes). They are not alternatives at one budget: pick Kimi K3.1 Pro when you need intelligence above 9.3, and Mistral Large 3 when 9.3 is enough.

Metric	Kimi K3.1 Pro	Mistral Large 3	Difference
Intelligence (higher is better)	55.1	9.3	−83.1% Mistral Large 3 is 83.1% less intelligent
Total AA cost (lower is better)	$3,117.31	$46.41	−98.5% Mistral Large 3 is 98.5% cheaper
End-to-end time (lower is better)	46.58s	7.23s	−84.5% Mistral Large 3 is 84.5% faster
Price per 1M tokens (in / out)	$2.00 / $10.0	$0.50 / $1.50
Input modalities	Text, Image	Text, Image

Mistral Large 3 vs Kimi K3.1 Pro: 83.1% less intelligence, 98.5% less cost to run the AA benchmark, and 84.5% faster end-to-end.

Open this matchup in the interactive picker Kimi K3.1 Pro: what beats it Mistral Large 3: what beats it

Today's Pareto frontier

Against the frontier

Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
Mistral Large 3 is off the frontier: at the same or lower cost, GPT-6 Luna (Medium) scores 29.90 for $31.2.

Kimi K3.1 ProMistral Large 3Today's Pareto frontierOpen-weights frontierEvery other model

Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/kimi-k3-1-pro/mistral-large-3 · Markdown: /api/v1/compare/kimi-k3-1-pro/mistral-large-3?format=md · llms.txt · agent skill