GPT-5.6 Terra (Non-reasoning) vs GPT-6 Sol (Medium)
Which is better for the money: GPT-5.6 Terra (Non-reasoning) by OpenAI or GPT-6 Sol (Medium) 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-6 Sol (Medium) scores 19.0 points higher (39.8 vs 20.8) but costs 1.6× as much to run the benchmark ($416 vs $256; both mid-range class). Pick GPT-6 Sol (Medium) when the extra intelligence is worth the premium, otherwise GPT-5.6 Terra (Non-reasoning).
| Metric | GPT-5.6 Terra (Non-reasoning) | GPT-6 Sol (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.8 | 39.8 | +91.3% GPT-6 Sol (Medium) is 91.3% more intelligent |
| Total AA cost (lower is better) | $255.77 | $416.32 | +62.8% GPT-6 Sol (Medium) is 62.8% more expensive |
| End-to-end time (lower is better) | 5.09s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Medium) vs GPT-5.6 Terra (Non-reasoning): 91.3% more intelligence, 62.8% more cost to run the AA benchmark, and end-to-end time not fully reported.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Terra (Non-reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- GPT-6 Sol (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
GPT-5.6 Terra (Non-reasoning)GPT-6 Sol (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-5-6-terra-non-reasoning/gpt-6-sol-medium · Markdown: /api/v1/compare/gpt-5-6-terra-non-reasoning/gpt-6-sol-medium?format=md · llms.txt · agent skill