GPT-5.6 Sol (Medium) vs Grok 4.6 (High)
Which is better for the money: GPT-5.6 Sol (Medium) by OpenAI or Grok 4.6 (High) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Grok 4.6 (High) scores 5.1 points higher (44.3 vs 39.2) but costs 2.0× as much to run the benchmark ($1963 vs $997; both premium class). Pick Grok 4.6 (High) when the extra intelligence is worth the premium, otherwise GPT-5.6 Sol (Medium).
| Metric | GPT-5.6 Sol (Medium) | Grok 4.6 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.2 | 44.3 | +13.0% Grok 4.6 (High) is 13.0% more intelligent |
| Total AA cost (lower is better) | $997.39 | $1,962.90 | +96.8% Grok 4.6 (High) is 96.8% more expensive |
| End-to-end time (lower is better) | 10.88s | 34.90s | +220.8% Grok 4.6 (High) is 220.8% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
Grok 4.6 (High) vs GPT-5.6 Sol (Medium): 13.0% more intelligence, 96.8% more cost to run the AA benchmark, and 220.8% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Sol (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- 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-5.6 Sol (Medium)Grok 4.6 (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-5-6-sol-medium/grok-4-6 · Markdown: /api/v1/compare/gpt-5-6-sol-medium/grok-4-6?format=md · llms.txt · agent skill