GPT-6.1 Terra (Low) vs Mistral Small 4 (Reasoning)
Which is better for the money: GPT-6.1 Terra (Low) by OpenAI or Mistral Small 4 (Reasoning) by Mistral? 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-6.1 Terra (Low) scores 24.9 points higher (36.2 vs 11.3) but costs 2.5× as much to run the benchmark ($115 vs $45.0; mid-range vs budget cost classes). Pick GPT-6.1 Terra (Low) when the extra intelligence is worth the premium, otherwise Mistral Small 4 (Reasoning).
| Metric | GPT-6.1 Terra (Low) | Mistral Small 4 (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 36.2 | 11.3 | −68.8% Mistral Small 4 (Reas… is 68.8% less intelligent |
| Total AA cost (lower is better) | $114.52 | $45.03 | −60.7% Mistral Small 4 (Reas… is 60.7% cheaper |
| End-to-end time (lower is better) | 6.78s | 14.88s | +119.5% Mistral Small 4 (Reas… is 119.5% slower |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.15 / $0.60 | |
| Input modalities | Text, Image | Text, Image |
Mistral Small 4 (Reasoning) vs GPT-6.1 Terra (Low): 68.8% less intelligence, 60.7% less cost to run the AA benchmark, and 119.5% slower end-to-end.
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.
- Mistral Small 4 (Reasoning) is off the frontier: at the same or lower cost, GPT-6 Luna (Medium) scores 29.90 for $31.2.
GPT-6.1 Terra (Low)Mistral Small 4 (Reasoning)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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