GPT-5.6 Sol (Low) vs GPT-6.1 Terra (Non-reasoning)
Which is better for the money: GPT-5.6 Sol (Low) by OpenAI or GPT-6.1 Terra (Non-reasoning) by OpenAI? 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 (Non-reasoning)
GPT-6.1 Terra (Non-reasoning) vs GPT-5.6 Sol (Low): the same intelligence, 75.9% less cost to run the AA benchmark, and 19.3% faster end-to-end.
| Metric | GPT-5.6 Sol (Low) | GPT-6.1 Terra (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 33.5 | 33.5 | Even |
| Total AA cost (lower is better) | $637.28 | $153.58 | −75.9% GPT-6.1 Terra (Non-re… is 75.9% cheaper |
| End-to-end time (lower is better) | 8.38s | 6.76s | −19.3% GPT-6.1 Terra (Non-re… is 19.3% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $1.00 / $5.00 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-5.6 Sol (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 (Non-reasoning) is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
GPT-5.6 Sol (Low)GPT-6.1 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-low/gpt-6-1-terra-non-reasoning · Markdown: /api/v1/compare/gpt-5-6-sol-low/gpt-6-1-terra-non-reasoning?format=md · llms.txt · agent skill