Gemini 2.5 Pro vs Kimi K3.1 Pro
Which is better for the money: Gemini 2.5 Pro by Google or Kimi K3.1 Pro by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Kimi K3.1 Pro scores 39.0 points higher (55.1 vs 16.1) but costs 3.8× as much to run the benchmark ($3117 vs $823; flagship vs premium cost classes). They are not alternatives at one budget: pick Kimi K3.1 Pro when you need intelligence above 16.1, and Gemini 2.5 Pro when 16.1 is enough.
| Metric | Gemini 2.5 Pro | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.1 | 55.1 | +242.2% Kimi K3.1 Pro is 3.4× more intelligent |
| Total AA cost (lower is better) | $822.85 | $3,117.31 | +278.8% Kimi K3.1 Pro is 3.8× more expensive |
| End-to-end time (lower is better) | 27.94s | 46.58s | +66.7% Kimi K3.1 Pro is 66.7% slower |
| Price per 1M tokens (in / out) | $1.25 / $10.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
Kimi K3.1 Pro vs Gemini 2.5 Pro: 242.2% more intelligence, 278.8% more cost to run the AA benchmark, and 66.7% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 2.5 Pro is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
Gemini 2.5 ProKimi K3.1 ProToday's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-2-5-pro/kimi-k3-1-pro · Markdown: /api/v1/compare/gemini-2-5-pro/kimi-k3-1-pro?format=md · llms.txt · agent skill