Agnes 2.5 Pro Theta vs Mistral Small 4 (Reasoning)
Which is better for the money: Agnes 2.5 Pro Theta by Sapiens AI or Mistral Small 4 (Reasoning) by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-09.
Trade-off
Verdict
Depends on your budget
Agnes 2.5 Pro Theta scores 19.7 points higher (24.0 vs 4.3) but costs 9.1× as much to run the benchmark ($397 vs $43.4; mid-range vs budget cost classes). They are not alternatives at one budget: pick Agnes 2.5 Pro Theta when you need intelligence above 4.3, and Mistral Small 4 (Reasoning) when 4.3 is enough.
| Metric | Agnes 2.5 Pro Theta | Mistral Small 4 (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.0 | 4.3 | −82.1% Mistral Small 4 (Reas… is 82.1% less intelligent |
| Total AA cost (lower is better) | $396.84 | $43.43 | −89.1% Mistral Small 4 (Reas… is 89.1% cheaper |
| End-to-end time (lower is better) | 12.07s | 15.49s | +28.3% Mistral Small 4 (Reas… is 28.3% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.30 | $0.15 / $0.60 | |
| Input modalities | Text, Image | Text, Image |
Mistral Small 4 (Reasoning) vs Agnes 2.5 Pro Theta: 82.1% less intelligence, 89.1% less cost to run the AA benchmark, and 28.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Agnes 2.5 Pro Theta is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 46.30 for $389.
- Mistral Small 4 (Reasoning) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Low) scores 18.60 for $39.6.
Agnes 2.5 Pro ThetaMistral Small 4 (Reasoning)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/agnes-2-5-pro-theta/mistral-small-4 · Markdown: /api/v1/compare/agnes-2-5-pro-theta/mistral-small-4?format=md · llms.txt · agent skill