GPT-5 mini (High) vs Kimi K3.1 Pro
Which is better for the money: GPT-5 mini (High) by OpenAI 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 38.3 points higher (55.1 vs 16.8) but costs 17× as much to run the benchmark ($3117 vs $189; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Kimi K3.1 Pro when you need intelligence above 16.8, and GPT-5 mini (High) when 16.8 is enough.
| Metric | GPT-5 mini (High) | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.8 | 55.1 | +228.0% Kimi K3.1 Pro is 3.3× more intelligent |
| Total AA cost (lower is better) | $188.66 | $3,117.31 | +1552.3% Kimi K3.1 Pro is 17× more expensive |
| End-to-end time (lower is better) | 58.74s | 46.53s | −20.8% Kimi K3.1 Pro is 20.8% faster |
| Price per 1M tokens (in / out) | $0.25 / $2.00 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Kimi K3.1 Pro vs GPT-5 mini (High): 228.0% more intelligence, 1552.3% more cost to run the AA benchmark, and 20.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5 mini (High) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Xhigh) scores 41.20 for $158.
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
GPT-5 mini (High)Kimi K3.1 ProToday's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-mini/kimi-k3-1-pro · Markdown: /api/v1/compare/gpt-5-mini/kimi-k3-1-pro?format=md · llms.txt · agent skill