Gemini 3 Pro vs Mistral Small 3
Google's flagship. Massive context, native multimodality. Meanwhile, mistral small 3: small, open-weights, surprisingly sharp.
Side-by-side
Specs
| Dimension | Gemini 3 Pro | Mistral Small 3 |
|---|---|---|
| Provider | Google | Mistral |
| Released | 2026-01 | 2025-09 |
| Context window | ✓2M | 128K |
| Output max | ✓64K | 8K |
| Input /M | $3.50 | ✓$0.20 |
| Output /M | $14.00 | ✓$0.60 |
| Modalities | ✓text, image, audio, video | text |
| Open weights | no | ✓yes |
Scorecard
Dimension-by-dimension
Gemini 3 Pro
Mistral Small 3
reasoning
9.0
6.0
coding
8.0
7.0
writing
8.0
7.0
speed
7.0
9.0
value
8.0
10.0
Verdict
Which wins, by use case
| Use case | Winner | Why |
|---|---|---|
| coding | Gemini 3 Pro | a clear edge on our weighted coding score |
| writing | Gemini 3 Pro | a clear edge on our weighted writing score |
| chat | Mistral Small 3 | a clear edge on our weighted chat score |
| agents | Gemini 3 Pro | a decisive lead on our weighted agents score |
| summarization | Mistral Small 3 | a decisive lead on our weighted summarization score |
| translation | Mistral Small 3 | a clear edge on our weighted translation score |
| reasoning | Gemini 3 Pro | a decisive lead on our weighted reasoning score |
| research | Gemini 3 Pro | a clear edge on our weighted research score |
| vision and multimodal | Gemini 3 Pro | a clear edge on our weighted vision score |
| Cheapest AI models for bulk workloads | Mistral Small 3 | a decisive lead on our weighted cheap-bulk score |
Bottom line
Our take
Pick Gemini 3 Pro if you need: largest practical context window, native video understanding.
Pick Mistral Small 3 if you need: tiny cost, open weights.
At a 500M-input / 150M-output monthly volume, Gemini 3 Pro costs roughly $3850 vs Mistral Small 3 at $190. Use our calculator to plug in your own numbers.
Keep browsing