GPT-6 Astra (Low) vs Grok 4.6 (High)
Which is better for the money: GPT-6 Astra (Low) by OpenAI or Grok 4.6 (High) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick GPT-6 Astra (Low)
Grok 4.6 (High) vs GPT-6 Astra (Low): 3.3% less intelligence, 27.7% more cost to run the AA benchmark, and 172.7% slower end-to-end.
| Metric | GPT-6 Astra (Low) | Grok 4.6 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 45.8 | 44.3 | −3.3% Grok 4.6 (High) is 3.3% less intelligent |
| Total AA cost (lower is better) | $1,536.78 | $1,962.90 | +27.7% Grok 4.6 (High) is 27.7% more expensive |
| End-to-end time (lower is better) | 11.63s | 31.72s | +172.7% Grok 4.6 (High) is 172.7% 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 (High) 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 (High)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 · Markdown: /api/v1/compare/gpt-6-astra-low/grok-4-6?format=md · llms.txt · agent skill