GPT-6 Astra (Medium) vs Kimi K3 (Max)
Which is better for the money: GPT-6 Astra (Medium) by OpenAI or Kimi K3 (Max) by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick GPT-6 Astra (Medium)
Kimi K3 (Max) vs GPT-6 Astra (Medium): 12.1% less intelligence, 50.3% more cost to run the AA benchmark, and 311.3% slower end-to-end.
| Metric | GPT-6 Astra (Medium) | Kimi K3 (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 49.6 | 43.6 | −12.1% Kimi K3 (Max) is 12.1% less intelligent |
| Total AA cost (lower is better) | $2,434.12 | $3,658.07 | +50.3% Kimi K3 (Max) is 50.3% more expensive |
| End-to-end time (lower is better) | 13.84s | 56.93s | +311.3% Kimi K3 (Max) is 311.3% slower |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $3.00 / $15.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (Medium) 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-6 Astra (Medium)Kimi K3 (Max)Today's Pareto frontierOpen-weights 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-medium/kimi-k3 · Markdown: /api/v1/compare/gpt-6-astra-medium/kimi-k3?format=md · llms.txt · agent skill