GPT-6 Astra (Low) vs Kimi K3 (Low)
Which is better for the money: GPT-6 Astra (Low) by OpenAI or Kimi K3 (Low) 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 (Low) scores 15.7 points higher (45.8 vs 30.1) but costs 1.3× as much to run the benchmark ($1537 vs $1190; both premium class). Pick GPT-6 Astra (Low) when the extra intelligence is worth the premium, otherwise Kimi K3 (Low).
| Metric | GPT-6 Astra (Low) | Kimi K3 (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 45.8 | 30.1 | −34.3% Kimi K3 (Low) is 34.3% less intelligent |
| Total AA cost (lower is better) | $1,536.78 | $1,190.42 | −22.5% Kimi K3 (Low) is 22.5% cheaper |
| End-to-end time (lower is better) | 12.01s | 51.29s | +327.1% Kimi K3 (Low) is 327.1% slower |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $3.00 / $15.0 | |
| Input modalities | Text, Image | Text, Image |
Kimi K3 (Low) vs GPT-6 Astra (Low): 34.3% less intelligence, 22.5% less cost to run the AA benchmark, and 327.1% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Kimi K3 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-6 Astra (Low)Kimi K3 (Low)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-low/kimi-k3-low · Markdown: /api/v1/compare/gpt-6-astra-low/kimi-k3-low?format=md · llms.txt · agent skill