GPT-5.6 Sol (Medium) vs GPT-5.6 Terra (Low)
Which is better for the money: GPT-5.6 Sol (Medium) by OpenAI or GPT-5.6 Terra (Low) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Sol (Medium) scores 11.7 points higher (39.2 vs 27.5) but costs 2.8× as much to run the benchmark ($997 vs $350; premium vs mid-range cost classes). Pick GPT-5.6 Sol (Medium) when the extra intelligence is worth the premium, otherwise GPT-5.6 Terra (Low).
| Metric | GPT-5.6 Sol (Medium) | GPT-5.6 Terra (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.2 | 27.5 | −29.8% GPT-5.6 Terra (Low) is 29.8% less intelligent |
| Total AA cost (lower is better) | $997.39 | $350.36 | −64.9% GPT-5.6 Terra (Low) is 64.9% cheaper |
| End-to-end time (lower is better) | 11.36s | 5.92s | −47.9% GPT-5.6 Terra (Low) is 47.9% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $2.00 / $12.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.6 Terra (Low) vs GPT-5.6 Sol (Medium): 29.8% less intelligence, 64.9% less cost to run the AA benchmark, and 47.9% faster 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.
- GPT-5.6 Terra (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-5.6 Sol (Medium)GPT-5.6 Terra (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-5-6-sol-medium/gpt-5-6-terra-low · Markdown: /api/v1/compare/gpt-5-6-sol-medium/gpt-5-6-terra-low?format=md · llms.txt · agent skill