GPT-5.6 Terra (Max) vs Kimi K3 (Max)
Which is better for the money: GPT-5.6 Terra (Max) by OpenAI or Kimi K3 (Max) by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Kimi K3 (Max) scores 1.5 points higher (43.6 vs 42.1) but costs 1.5× as much to run the benchmark ($3658 vs $2501; both flagship class). Pick Kimi K3 (Max) when the extra intelligence is worth the premium, otherwise GPT-5.6 Terra (Max).
| Metric | GPT-5.6 Terra (Max) | Kimi K3 (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 42.1 | 43.6 | +3.6% Kimi K3 (Max) is 3.6% more intelligent |
| Total AA cost (lower is better) | $2,500.72 | $3,658.07 | +46.3% Kimi K3 (Max) is 46.3% more expensive |
| End-to-end time (lower is better) | 104.98s | 63.08s | −39.9% Kimi K3 (Max) is 39.9% faster |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $3.00 / $15.0 | |
| Input modalities | Text, Image | Text, Image |
Kimi K3 (Max) vs GPT-5.6 Terra (Max): 3.6% more intelligence, 46.3% more cost to run the AA benchmark, and 39.9% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Terra (Max) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
- Kimi K3 (Max) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
GPT-5.6 Terra (Max)Kimi K3 (Max)Today's Pareto frontierOpen-weights 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/kimi-k3 · Markdown: /api/v1/compare/gpt-5-6-terra/kimi-k3?format=md · llms.txt · agent skill