GPT-6 Astra (Low) vs Grok 4.6 (Medium)
Which is better for the money: GPT-6 Astra (Low) by OpenAI or Grok 4.6 (Medium) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GPT-6 Astra (Low)
Grok 4.6 (Medium) vs GPT-6 Astra (Low): 6.6% less intelligence, 1.3% more cost to run the AA benchmark, and 163.7% slower end-to-end.
| Metric | GPT-6 Astra (Low) | Grok 4.6 (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 45.8 | 42.8 | −6.6% Grok 4.6 (Medium) is 6.6% less intelligent |
| Total AA cost (lower is better) | $1,536.78 | $1,557.04 | +1.3% Grok 4.6 (Medium) is 1.3% more expensive |
| End-to-end time (lower is better) | 12.01s | 31.67s | +163.7% Grok 4.6 (Medium) is 163.7% slower |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
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.
- Grok 4.6 (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-6 Astra (Low)Grok 4.6 (Medium)Today's Pareto 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/grok-4-6-medium · Markdown: /api/v1/compare/gpt-6-astra-low/grok-4-6-medium?format=md · llms.txt · agent skill