GPT-6 Astra (Xhigh) vs Kimi K3 (Max)
Which is better for the money: GPT-6 Astra (Xhigh) by OpenAI or Kimi K3 (Max) by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (Xhigh) scores 8.8 points higher (52.4 vs 43.6) but costs 1.0× as much to run the benchmark ($3803 vs $3658; both flagship class). Pick GPT-6 Astra (Xhigh) when the extra intelligence is worth the premium, otherwise Kimi K3 (Max).
| Metric | GPT-6 Astra (Xhigh) | Kimi K3 (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 52.4 | 43.6 | −16.8% Kimi K3 (Max) is 16.8% less intelligent |
| Total AA cost (lower is better) | $3,802.98 | $3,658.07 | −3.8% Kimi K3 (Max) is 3.8% cheaper |
| End-to-end time (lower is better) | 158.33s | 50.42s | −68.2% Kimi K3 (Max) is 68.2% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $3.00 / $15.0 | |
| Input modalities | Text, Image | Text, Image |
Kimi K3 (Max) vs GPT-6 Astra (Xhigh): 16.8% less intelligence, 3.8% less cost to run the AA benchmark, and 68.2% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (Xhigh) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- Kimi K3 (Max) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
GPT-6 Astra (Xhigh)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-6-astra-xhigh/kimi-k3 · Markdown: /api/v1/compare/gpt-6-astra-xhigh/kimi-k3?format=md · llms.txt · agent skill