GPT-5.6 Terra (High) vs GPT-6 Sol (Low)
Which is better for the money: GPT-5.6 Terra (High) by OpenAI or GPT-6 Sol (Low) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GPT-6 Sol (Low)
GPT-6 Sol (Low) vs GPT-5.6 Terra (High): the same intelligence, 65.0% less cost to run the AA benchmark, and 8.5% faster end-to-end.
| Metric | GPT-5.6 Terra (High) | GPT-6 Sol (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.2 | 34.2 | Even |
| Total AA cost (lower is better) | $767.78 | $268.73 | −65.0% GPT-6 Sol (Low) is 65.0% cheaper |
| End-to-end time (lower is better) | 6.69s | 6.12s | −8.5% GPT-6 Sol (Low) is 8.5% faster |
| 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 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 Sol (Low)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-6-terra-high/gpt-6-sol-low · Markdown: /api/v1/compare/gpt-5-6-terra-high/gpt-6-sol-low?format=md · llms.txt · agent skill