GPT-6.1 Terra (Medium) vs Grok 4.6 (Low)
Which is better for the money: GPT-6.1 Terra (Medium) by OpenAI or Grok 4.6 (Low) 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 (Medium)
Grok 4.6 (Low) vs GPT-6.1 Terra (Medium): 15.0% less intelligence, 250.4% more cost to run the AA benchmark, and 81.6% slower end-to-end.
| Metric | GPT-6.1 Terra (Medium) | Grok 4.6 (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 41.3 | 35.1 | −15.0% Grok 4.6 (Low) is 15.0% less intelligent |
| Total AA cost (lower is better) | $175.20 | $613.92 | +250.4% Grok 4.6 (Low) is 3.5× more expensive |
| End-to-end time (lower is better) | 6.95s | 12.62s | +81.6% Grok 4.6 (Low) is 81.6% 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 (Medium) is on today's frontier: nothing is both smarter and cheaper.
- Grok 4.6 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
GPT-6.1 Terra (Medium)Grok 4.6 (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-6-1-terra-medium/grok-4-6-low · Markdown: /api/v1/compare/gpt-6-1-terra-medium/grok-4-6-low?format=md · llms.txt · agent skill