GPT-6 Astra (Medium) vs Grok 4.7 (Low)
Which is better for the money: GPT-6 Astra (Medium) by OpenAI or Grok 4.7 (Low) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (Medium) scores 7.4 points higher (49.6 vs 42.2) but costs 1.5× as much to run the benchmark ($2434 vs $1631; flagship vs premium cost classes). Pick GPT-6 Astra (Medium) when the extra intelligence is worth the premium, otherwise Grok 4.7 (Low).
| Metric | GPT-6 Astra (Medium) | Grok 4.7 (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 49.6 | 42.2 | −14.9% Grok 4.7 (Low) is 14.9% less intelligent |
| Total AA cost (lower is better) | $2,434.12 | $1,630.69 | −33.0% Grok 4.7 (Low) is 33.0% cheaper |
| End-to-end time (lower is better) | 13.89s | 12.90s | −7.1% Grok 4.7 (Low) is 7.1% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
Grok 4.7 (Low) vs GPT-6 Astra (Medium): 14.9% less intelligence, 33.0% less cost to run the AA benchmark, and 7.1% faster end-to-end.
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.
- Grok 4.7 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-6 Astra (Medium)Grok 4.7 (Low)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-medium/grok-4-7-low · Markdown: /api/v1/compare/gpt-6-astra-medium/grok-4-7-low?format=md · llms.txt · agent skill