Mistral Large 3 vs Gemini 3.1 Pro Preview
Side-by-side comparison across metrics, pricing, and overall score — every value traced to a source.
Verdict: Gemini 3.1 Pro Preview ranks highest overall (#5) with a score of 50.8.
The best choice still depends on which metrics matter for your workload — per-metric winners are marked below.
What the numbers hide
Computed from the published values below — no estimates, no generated claims.
Fragile verdict
The overall winner flips to Gemini 3.1 Pro Preview if Context Window is weighted at 30% (it counts for 18% today). If context window drives your decision, the ranking above may not be your ranking.
Fragile verdict
The overall winner flips to Gemini 3.1 Pro Preview if Output Price is weighted at 0% (it counts for 18% today). If output price drives your decision, the ranking above may not be your ranking.
Real tradeoff
Mistral Large 3 clearly beats Gemini 3.1 Pro Preview on Input Price but clearly loses on Context Window — this pair is a priorities question, not a quality question.
What nobody reports
Cache Read Price (1 of 2 missing) · SWE-Bench Pro Score (1 of 2 missing) — the questions worth asking vendors directly.
AI hot take
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| Metric | Mistral Large 3Mistral | Gemini 3.1 Pro PreviewGoogle |
|---|---|---|
| Overall OptiSift Score | 21.7#15 | 50.8#5 |
| Input Price | $0.5 | $2 |
| Output Price | $1.5 | $12 |
| Cache Read Price | — | $0.2 |
| Context Window | 262K | 1.0M |
| Max Output Tokens | 262K | 66K |
| SWE-Bench Pro Score | — | 54.2% |
| Tool Calling | Yes | Yes |
| Extended Reasoning | No | Yes |
About these models
#15Mistral Large 3
Mistral
Mistral Large 3 is Mistral's general-purpose model: $0.50/$1.50 per 1M input/output tokens, 262K token context window.
#5Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview is Google's reasoning-capable model: $2/$12 per 1M input/output tokens, 1.0M token context window, 54.2% on SWE-Bench Pro.