GPT-5.6 Terra (High) vs GPT-6.1 Sol (Low)
Which is better for the money: GPT-5.6 Terra (High) by OpenAI or GPT-6.1 Sol (Low) 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 Sol (Low)
GPT-6.1 Sol (Low) vs GPT-5.6 Terra (High): 23.1% more intelligence, 67.4% less cost to run the AA benchmark, and 80.7% slower end-to-end.
| Metric | GPT-5.6 Terra (High) | GPT-6.1 Sol (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.2 | 42.1 | +23.1% GPT-6.1 Sol (Low) is 23.1% more intelligent |
| Total AA cost (lower is better) | $767.78 | $250.48 | −67.4% GPT-6.1 Sol (Low) is 67.4% cheaper |
| End-to-end time (lower is better) | 6.58s | 11.89s | +80.7% GPT-6.1 Sol (Low) is 80.7% slower |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-5.6 Terra (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- GPT-6.1 Sol (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-5.6 Terra (High)GPT-6.1 Sol (Low)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-high/gpt-6-1-sol-low · Markdown: /api/v1/compare/gpt-5-6-terra-high/gpt-6-1-sol-low?format=md · llms.txt · agent skill