GPT-5.6 Sol (Medium) vs GPT-5.6 Terra (Non-reasoning)
Which is better for the money: GPT-5.6 Sol (Medium) by OpenAI or GPT-5.6 Terra (Non-reasoning) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Sol (Medium) scores 18.4 points higher (39.2 vs 20.8) but costs 3.9× as much to run the benchmark ($997 vs $256; premium vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.6 Sol (Medium) when you need intelligence above 20.8, and GPT-5.6 Terra (Non-reasoning) when 20.8 is enough.
| Metric | GPT-5.6 Sol (Medium) | GPT-5.6 Terra (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.2 | 20.8 | −46.9% GPT-5.6 Terra (Non-re… is 46.9% less intelligent |
| Total AA cost (lower is better) | $997.39 | $255.77 | −74.4% GPT-5.6 Terra (Non-re… is 74.4% cheaper |
| End-to-end time (lower is better) | 12.42s | 4.90s | −60.5% GPT-5.6 Terra (Non-re… is 60.5% 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 (Non-reasoning) vs GPT-5.6 Sol (Medium): 46.9% less intelligence, 74.4% less cost to run the AA benchmark, and 60.5% 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 (Non-reasoning) 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 (Non-reasoning)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-non-reasoning · Markdown: /api/v1/compare/gpt-5-6-sol-medium/gpt-5-6-terra-non-reasoning?format=md · llms.txt · agent skill