GPT-6 Astra (Max) vs Kimi K3.1 Pro
Which is better for the money: GPT-6 Astra (Max) by OpenAI or Kimi K3.1 Pro by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick Kimi K3.1 Pro
Kimi K3.1 Pro vs GPT-6 Astra (Max): 4.6% more intelligence, 41.4% less cost to run the AA benchmark, and 84.5% faster end-to-end.
| Metric | GPT-6 Astra (Max) | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 52.7 | 55.1 | +4.6% Kimi K3.1 Pro is 4.6% more intelligent |
| Total AA cost (lower is better) | $5,324.10 | $3,117.31 | −41.4% Kimi K3.1 Pro is 41.4% cheaper |
| End-to-end time (lower is better) | 275.53s | 42.64s | −84.5% Kimi K3.1 Pro is 84.5% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (Max) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
GPT-6 Astra (Max)Kimi 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/gpt-6-astra/kimi-k3-1-pro · Markdown: /api/v1/compare/gpt-6-astra/kimi-k3-1-pro?format=md · llms.txt · agent skill