GPT-6.1 Terra (High) vs Grok 4.6 (Medium)
Which is better for the money: GPT-6.1 Terra (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 2026-10-27.
Clear winner
Verdict
Pick GPT-6.1 Terra (High)
Grok 4.6 (Medium) vs GPT-6.1 Terra (High): 2.5% less intelligence, 552.8% more cost to run the AA benchmark, and 206.3% slower end-to-end.
| Metric | GPT-6.1 Terra (High) | Grok 4.6 (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 43.9 | 42.8 | −2.5% Grok 4.6 (Medium) is 2.5% less intelligent |
| Total AA cost (lower is better) | $238.53 | $1,557.04 | +552.8% Grok 4.6 (Medium) is 6.5× more expensive |
| End-to-end time (lower is better) | 11.16s | 34.18s | +206.3% Grok 4.6 (Medium) is 206.3% slower |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-6.1 Terra (High) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- 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-6.1 Terra (High)Grok 4.6 (Medium)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-6-1-terra-high/grok-4-6-medium · Markdown: /api/v1/compare/gpt-6-1-terra-high/grok-4-6-medium?format=md · llms.txt · agent skill