GPT-6 Astra (max) vs Kimi K2.7 Code
Which is better for the money: GPT-6 Astra (max) by OpenAI or Kimi K2.7 Code by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-09-09.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (max) scores 26.5 points higher (52.8 vs 26.3) but costs 5.4× as much to run the benchmark ($5324 vs $993; flagship vs premium cost classes). They are not alternatives at one budget: pick GPT-6 Astra (max) when you need intelligence above 26.3, and Kimi K2.7 Code when 26.3 is enough.
| Metric | GPT-6 Astra (max) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 52.8 | 26.3 | −50.2% Kimi K2.7 Code is 50.2% less intelligent |
| Total AA cost (lower is better) | $5,324.10 | $992.88 | −81.4% Kimi K2.7 Code is 81.4% cheaper |
| End-to-end time (lower is better) | 331.33s | 41.22s | −87.6% Kimi K2.7 Code is 87.6% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $0.95 / $4.00 | |
| Input modalities | Not reported | Not reported |
Kimi K2.7 Code vs GPT-6 Astra (max): 50.2% less intelligence, 81.4% less cost to run the AA benchmark, and 87.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (max) is on today's frontier: nothing is both smarter and cheaper.
- Kimi K2.7 Code is off the frontier: at the same or lower cost, GLM-5.3-Flash scores 41.90 for $280.
GPT-6 Astra (max)Kimi K2.7 CodeToday'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/kimi-k2-7-code · Markdown: /api/v1/compare/gpt-6-astra/kimi-k2-7-code?format=md · llms.txt · agent skill