GPT-6.1 Terra (Low) vs gpt-oss-120b (High)
Which is better for the money: GPT-6.1 Terra (Low) by OpenAI or gpt-oss-120b (High) 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 (Low)
gpt-oss-120b (High) vs GPT-6.1 Terra (Low): 68.0% less intelligence, 7.2% more cost to run the AA benchmark, and 58.6% slower end-to-end.
| Metric | GPT-6.1 Terra (Low) | gpt-oss-120b (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 36.2 | 11.6 | −68.0% gpt-oss-120b (High) is 68.0% less intelligent |
| Total AA cost (lower is better) | $114.52 | $122.71 | +7.2% gpt-oss-120b (High) is 7.2% more expensive |
| End-to-end time (lower is better) | 6.78s | 10.75s | +58.6% gpt-oss-120b (High) is 58.6% slower |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.15 / $0.60 | |
| Input modalities | Text, Image | Text |
Today's Pareto frontier
Against the frontier
- GPT-6.1 Terra (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Flash scores 37.90 for $110.
- gpt-oss-120b (High) is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
GPT-6.1 Terra (Low)gpt-oss-120b (High)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-6-1-terra-low/gpt-oss-120b · Markdown: /api/v1/compare/gpt-6-1-terra-low/gpt-oss-120b?format=md · llms.txt · agent skill