# Gemini 3 Deep Think vs Mistral Medium 3.5

> Mistral Medium 3.5 has enough public results to be ranked (#151); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/gemini-3-deep-think-vs-mistral-medium-3-5
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Gemini 3 Deep Think leads 70.8 to 16.6.
- Mistral Medium 3.5 has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 3 Deep Think | Mistral Medium 3.5 |
|---|---|---|
| Provider | Google | Mistral AI |
| Noometry Index | 58.5 | 39.6 |
| Rank | — | 151 |
| Context | — | 262K |
| Input $/M | — | $1.50 |
| Output $/M | — | $7.50 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3 Deep Think: —
- Mistral Medium 3.5: 35.7 (#208)

| Benchmark | Gemini 3 Deep Think | Mistral Medium 3.5 |
|---|---|---|
| LMArena WebDev | — | 1263 |
| LMArena Coding | — | 1461 |

## Reasoning

- Gemini 3 Deep Think: 70.8 (#11)
- Mistral Medium 3.5: 16.6 (#290)

| Benchmark | Gemini 3 Deep Think | Mistral Medium 3.5 |
|---|---|---|
| ARC-AGI-2 | 84.6% | — |
| Kagi LLM Benchmark | — | 41.4% |
| NYT Connections (extended) | — | 12.9% |
| ARC-AGI-1 | 96% | — |
| CritPt | 25.7% | — |
| LMArena Hard Prompts | — | 1436 |
| Epoch Capabilities Index | — | 141.42 |

## Math

- Gemini 3 Deep Think: —
- Mistral Medium 3.5: 36.4 (#113)

| Benchmark | Gemini 3 Deep Think | Mistral Medium 3.5 |
|---|---|---|
| LMArena Math | — | 1432 |

## Knowledge

- Gemini 3 Deep Think: —
- Mistral Medium 3.5: 39.3 (#123)

| Benchmark | Gemini 3 Deep Think | Mistral Medium 3.5 |
|---|---|---|
| LMArena Expert | — | 1431 |

## Multimodal

- Gemini 3 Deep Think: —
- Mistral Medium 3.5: 37.6 (#64)

| Benchmark | Gemini 3 Deep Think | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | — | 1222 |

## Multilingual

- Gemini 3 Deep Think: —
- Mistral Medium 3.5: 52.1 (#93)

| Benchmark | Gemini 3 Deep Think | Mistral Medium 3.5 |
|---|---|---|
| LMArena Non-English | — | 1405 |
| LMArena Chinese | — | 1443 |
| LMArena French | — | 1448 |
| LMArena German | — | 1453 |
| LMArena Korean | — | 1387 |
| LMArena Russian | — | 1396 |
| LMArena Spanish | — | 1406 |

## Instruction Following

- Gemini 3 Deep Think: —
- Mistral Medium 3.5: 74.7 (#87)

| Benchmark | Gemini 3 Deep Think | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | — | 1414 |

## Long Context

- Gemini 3 Deep Think: —
- Mistral Medium 3.5: 43.2 (#101)

| Benchmark | Gemini 3 Deep Think | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | — | 1414 |

## Writing & Preference

- Gemini 3 Deep Think: —
- Mistral Medium 3.5: 58.6 (#113)

| Benchmark | Gemini 3 Deep Think | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | — | 1421 |
| LMArena Creative Writing | — | 1372 |
| EQ-Bench 4 | — | 993 |
| LMArena Multi-Turn | — | 1423 |

## FAQ

### Is Gemini 3 Deep Think better than Mistral Medium 3.5?

Mistral Medium 3.5 has enough public results to be ranked (#151); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

### How many benchmarks do Gemini 3 Deep Think and Mistral Medium 3.5 share?

0 benchmarks have published results for both models. Gemini 3 Deep Think has 3 scored results on Noometry and Mistral Medium 3.5 has 22.