GPT-5.5 (High) vs Grok 4.6 (Medium)
Which is better for the money: GPT-5.5 (High) by OpenAI or Grok 4.6 (Medium) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick Grok 4.6 (Medium)
Grok 4.6 (Medium) vs GPT-5.5 (High): 15.7% more intelligence, 54.3% less cost to run the AA benchmark, and 69.2% slower end-to-end.
| Metric | GPT-5.5 (High) | Grok 4.6 (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 37.0 | 42.8 | +15.7% Grok 4.6 (Medium) is 15.7% more intelligent |
| Total AA cost (lower is better) | $3,410.76 | $1,557.04 | −54.3% Grok 4.6 (Medium) is 54.3% cheaper |
| End-to-end time (lower is better) | 19.56s | 33.09s | +69.2% Grok 4.6 (Medium) is 69.2% slower |
| Price per 1M tokens (in / out) | $5.00 / $30.0 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-5.5 (High) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- 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-5.5 (High)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-5-5-high/grok-4-6-medium · Markdown: /api/v1/compare/gpt-5-5-high/grok-4-6-medium?format=md · llms.txt · agent skill