# DeepSeek Coder 1.3B vs Mistral Medium 3.5

> Mistral Medium 3.5 has enough public results to be ranked (#151); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/deepseek-coder-1-3b-vs-mistral-medium-3-5
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. DeepSeek Coder 1.3B scores higher in 0 categories and Mistral Medium 3.5 in 1 category; one gap is clear of the uncertainty.
- The widest gap is in coding, where Mistral Medium 3.5 leads 35.7 to 30.7.

## Snapshot

| | DeepSeek Coder 1.3B | Mistral Medium 3.5 |
|---|---|---|
| Provider | DeepSeek | Mistral AI |
| Noometry Index | 34.5 | 39.6 |
| Rank | — | 151 |
| Context | — | 262K |
| Input $/M | — | $1.50 |
| Output $/M | — | $7.50 |
| Weights | Open | Open |

## Coding

- DeepSeek Coder 1.3B: 30.7 (#282)
- Mistral Medium 3.5: 35.7 (#208)

| Benchmark | DeepSeek Coder 1.3B | Mistral Medium 3.5 |
|---|---|---|
| LMArena WebDev | — | 1263 |
| BigCodeBench Instruct | 22.8% | — |
| LMArena Coding | — | 1461 |
| BigCodeBench Complete | 29.6% | — |
| HumanEval+ | 60.4% | — |
| MBPP+ | 54.8% | — |

## Reasoning

- DeepSeek Coder 1.3B: —
- Mistral Medium 3.5: 16.6 (#290)

| Benchmark | DeepSeek Coder 1.3B | Mistral Medium 3.5 |
|---|---|---|
| Epoch Capabilities Index | 62.18 | 141.42 |
| Kagi LLM Benchmark | — | 41.4% |
| NYT Connections (extended) | — | 12.9% |
| LMArena Hard Prompts | — | 1436 |
| WinoGrande | 53.3% | — |

## Math

- DeepSeek Coder 1.3B: —
- Mistral Medium 3.5: 36.4 (#113)

| Benchmark | DeepSeek Coder 1.3B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Math | — | 1432 |
| GSM8K | 4.4% | — |

## Knowledge

- DeepSeek Coder 1.3B: —
- Mistral Medium 3.5: 39.3 (#123)

| Benchmark | DeepSeek Coder 1.3B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Expert | — | 1431 |
| ARC (AI2) Challenge | 25.4% | — |
| MMLU | 25.8% | — |

## Multimodal

- DeepSeek Coder 1.3B: —
- Mistral Medium 3.5: 37.6 (#64)

| Benchmark | DeepSeek Coder 1.3B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | — | 1222 |

## Multilingual

- DeepSeek Coder 1.3B: —
- Mistral Medium 3.5: 52.1 (#93)

| Benchmark | DeepSeek Coder 1.3B | 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

- DeepSeek Coder 1.3B: —
- Mistral Medium 3.5: 74.7 (#87)

| Benchmark | DeepSeek Coder 1.3B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | — | 1414 |

## Long Context

- DeepSeek Coder 1.3B: —
- Mistral Medium 3.5: 43.2 (#101)

| Benchmark | DeepSeek Coder 1.3B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | — | 1414 |

## Writing & Preference

- DeepSeek Coder 1.3B: —
- Mistral Medium 3.5: 58.6 (#113)

| Benchmark | DeepSeek Coder 1.3B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | — | 1421 |
| LMArena Creative Writing | — | 1372 |
| EQ-Bench 4 | — | 993 |
| LMArena Multi-Turn | — | 1423 |

## FAQ

### Is DeepSeek Coder 1.3B better than Mistral Medium 3.5?

Mistral Medium 3.5 has enough public results to be ranked (#151); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

### Is DeepSeek Coder 1.3B or Mistral Medium 3.5 better for coding?

Mistral Medium 3.5 scores higher on coding benchmarks: 35.7 versus 30.7 in the Noometry coding category.

### How many benchmarks do DeepSeek Coder 1.3B and Mistral Medium 3.5 share?

1 benchmark has published results for both models. DeepSeek Coder 1.3B has 9 scored results on Noometry and Mistral Medium 3.5 has 22.