GPT-5.6 Terra (Non-reasoning) vs GPT-6.1 Sol (Medium)
Which is better for the money: GPT-5.6 Terra (Non-reasoning) by OpenAI or GPT-6.1 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-6.1 Sol (Medium) scores 27.0 points higher (47.8 vs 20.8) but costs 1.4× as much to run the benchmark ($361 vs $256; both mid-range class). Pick GPT-6.1 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-6.1 Sol (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.8 | 47.8 | +129.8% GPT-6.1 Sol (Medium) is 2.3× more intelligent |
| Total AA cost (lower is better) | $255.77 | $361.37 | +41.3% GPT-6.1 Sol (Medium) is 41.3% more expensive |
| End-to-end time (lower is better) | 5.11s | 13.94s | +172.8% GPT-6.1 Sol (Medium) is 172.8% slower |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6.1 Sol (Medium) vs GPT-5.6 Terra (Non-reasoning): 129.8% more intelligence, 41.3% more cost to run the AA benchmark, and 172.8% slower end-to-end.
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-6.1 Sol (Medium) is on today's frontier: nothing is both smarter and cheaper.
GPT-5.6 Terra (Non-reasoning)GPT-6.1 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-6-1-sol-medium · Markdown: /api/v1/compare/gpt-5-6-terra-non-reasoning/gpt-6-1-sol-medium?format=md · llms.txt · agent skill