GPT-5.6 Terra (Non-reasoning) vs Kimi K3.1 Pro
Which is better for the money: GPT-5.6 Terra (Non-reasoning) by OpenAI or Kimi K3.1 Pro by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
Kimi K3.1 Pro scores 34.3 points higher (55.1 vs 20.8) but costs 12× as much to run the benchmark ($3117 vs $256; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Kimi K3.1 Pro when you need intelligence above 20.8, and GPT-5.6 Terra (Non-reasoning) when 20.8 is enough.
| Metric | GPT-5.6 Terra (Non-reasoning) | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.8 | 55.1 | +164.9% Kimi K3.1 Pro is 2.6× more intelligent |
| Total AA cost (lower is better) | $255.77 | $3,117.31 | +1118.8% Kimi K3.1 Pro is 12× more expensive |
| End-to-end time (lower is better) | 4.90s | 59.28s | +1109.8% Kimi K3.1 Pro is 1109.8% slower |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Kimi K3.1 Pro vs GPT-5.6 Terra (Non-reasoning): 164.9% more intelligence, 1118.8% more cost to run the AA benchmark, and 1109.8% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Terra (Non-reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
GPT-5.6 Terra (Non-reasoning)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-5-6-terra-non-reasoning/kimi-k3-1-pro · Markdown: /api/v1/compare/gpt-5-6-terra-non-reasoning/kimi-k3-1-pro?format=md · llms.txt · agent skill