GPT-5.6 Sol (High) vs GPT-6.1 Terra (Non-reasoning)
Which is better for the money: GPT-5.6 Sol (High) 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.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Sol (High) scores 8.8 points higher (42.3 vs 33.5) but costs 9.7× as much to run the benchmark ($1487 vs $154; premium vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.6 Sol (High) when you need intelligence above 33.5, and GPT-6.1 Terra (Non-reasoning) when 33.5 is enough.
| Metric | GPT-5.6 Sol (High) | GPT-6.1 Terra (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 42.3 | 33.5 | −20.8% GPT-6.1 Terra (Non-re… is 20.8% less intelligent |
| Total AA cost (lower is better) | $1,487.34 | $153.58 | −89.7% GPT-6.1 Terra (Non-re… is 89.7% cheaper |
| End-to-end time (lower is better) | 16.35s | 6.51s | −60.2% GPT-6.1 Terra (Non-re… is 60.2% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $1.00 / $5.00 | |
| Input modalities | Text, Image | Text, Image |
GPT-6.1 Terra (Non-reasoning) vs GPT-5.6 Sol (High): 20.8% less intelligence, 89.7% less cost to run the AA benchmark, and 60.2% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Sol (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- 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 (High)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-high/gpt-6-1-terra-non-reasoning · Markdown: /api/v1/compare/gpt-5-6-sol-high/gpt-6-1-terra-non-reasoning?format=md · llms.txt · agent skill