GPT-6 Sol (Max) vs Grok 4.5 (High)
Which is better for the money: GPT-6 Sol (Max) by OpenAI or Grok 4.5 (High) 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 Sol (Max) scores 8.8 points higher (47.6 vs 38.8) but costs 1.2× as much to run the benchmark ($1536 vs $1244; both premium class). Pick GPT-6 Sol (Max) when the extra intelligence is worth the premium, otherwise Grok 4.5 (High).
| Metric | GPT-6 Sol (Max) | Grok 4.5 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 47.6 | 38.8 | −18.5% Grok 4.5 (High) is 18.5% less intelligent |
| Total AA cost (lower is better) | $1,535.80 | $1,243.85 | −19.0% Grok 4.5 (High) is 19.0% cheaper |
| End-to-end time (lower is better) | 87.05s | 18.82s | −78.4% Grok 4.5 (High) is 78.4% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
Grok 4.5 (High) vs GPT-6 Sol (Max): 18.5% less intelligence, 19.0% less cost to run the AA benchmark, and 78.4% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Sol (Max) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Grok 4.5 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-6 Sol (Max)Grok 4.5 (High)Today's Pareto 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-sol/grok-4-5 · Markdown: /api/v1/compare/gpt-6-sol/grok-4-5?format=md · llms.txt · agent skill