Looking for an honest Google Gemini 2.5 Pro vs Mistral AI Mistral Small 3 comparison in 2026? We scored both ai language models on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the Google Gemini 2.5 Pro comes out ahead 84/100 to 54/100 — a 30-point gap. The widest gap is in battery life, where the Google Gemini 2.5 Pro pulls noticeably ahead.
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Google Gemini 2.5 Pro clearly outperforms the Mistral AI Mistral Small 3 in the ai language models category, especially in battery life, scoring 84 vs 54. If you want the better overall ai language models, Google Gemini 2.5 Pro is the recommended choice.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
Lower cost = better value. Free = open-source self-hosted.
| Metric | 2.5 Pro | Small 3 |
|---|---|---|
| Input (Prompt) | $1.25/1M | ✓$0.10/1M |
| Output (Completion) | $10.00/1M | ✓$0.30/1M |
| Open Source | Proprietary | ✓ Free |
Context Window (tokens)
| Metric | 2.5 Pro | Small 3 |
|---|---|---|
| Max Output | ✓65,536 tok | 4,096 tok |
| Speed | 100 tok/s | ✓200 tok/s |
| Time to First Token | 800ms | ✓250ms |
| Languages | ✓40+ | 12+ |
Higher is better. Industry-standard AI evaluation benchmarks.
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| Feature | 2.5 Pro | Small 3 |
|---|---|---|
| Reasoning / Chain-of-Thought | ✓ | ✕ |
| Vision (Image Input) | ✓ | ✕ |
| Audio Input | ✓ | ✕ |
| Video Input | ✓ | ✕ |
| Image/Audio Output | ✕ | ✕ |
| Function Calling / Tools | ✓ | ✓ |
| JSON Mode | ✓ | ✓ |
| Real-time Web Access | ✓ | ✕ |
| Fine-tuning Support | ✕ | ✓ |
| Batch API | ✓ | ✓ |
| Streaming | ✓ | ✓ |
| Open Source | ✕ | ✓ |
| Field | 2.5 Pro | Small 3 |
|---|---|---|
| Provider | Mistral AI | |
| Parameters | — | 24B |
| Knowledge Cutoff | 2025-01 | 2024-01 |
| License | Commercial | Apache 2.0 |
| Best For | reasoningcodingmultimodallong contextmath | cost efficiencyopen sourceself hostinghigh volume |
Buy Google Gemini 2.5 Pro if…
Buy the Google Gemini 2.5 Pro if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Mistral AI Mistral Small 3 if…
The Mistral AI Mistral Small 3 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Google Gemini 2.5 Pro clearly outperforms the Mistral AI Mistral Small 3 in the ai language models category, especially in battery life, scoring 84 vs 54. If you want the better overall ai language models, Google Gemini 2.5 Pro is the recommended choice.
Yes, Google Gemini 2.5 Pro scores higher overall (75 vs 75).
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Buy the Google Gemini 2.5 Pro if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
The Mistral AI Mistral Small 3 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
Scores are relative within the ai language modelscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.