# DeepSeek Coder 1.3B vs Mistral Small 3.1

> Mistral Small 3.1 has enough public results to be ranked (#269); 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-small-3-1
- Last updated: 2026-10-11
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. DeepSeek Coder 1.3B scores higher in 0 categories and Mistral Small 3.1 in 1 category; one gap is clear of the uncertainty.
- The widest gap is in coding, where Mistral Small 3.1 leads 38.3 to 31.2.

## Snapshot

| | DeepSeek Coder 1.3B | Mistral Small 3.1 |
|---|---|---|
| Provider | DeepSeek | Mistral AI |
| Noometry Index | 35.0 | 31.7 |
| Rank | — | 269 |
| Context | — | 128K |
| Input $/M | — | $0.35 |
| Output $/M | — | $0.56 |
| Weights | Open | Open |

## Coding

- DeepSeek Coder 1.3B: 31.2 (#287)
- Mistral Small 3.1: 38.3 (#179)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3.1 |
|---|---|---|
| BigCodeBench Instruct | 22.8% | — |
| LMArena Coding | — | 1309 |
| BigCodeBench Complete | 29.6% | — |
| HumanEval+ | 60.4% | — |
| MBPP+ | 54.8% | — |

## Reasoning

- DeepSeek Coder 1.3B: —
- Mistral Small 3.1: 19.7 (#254)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3.1 |
|---|---|---|
| Epoch Capabilities Index | 63.6 | 127.48 |
| Chess Puzzles | — | 1% |
| LMArena Hard Prompts | — | 1278 |
| WinoGrande | 53.3% | — |

## Math

- DeepSeek Coder 1.3B: —
- Mistral Small 3.1: 14.7 (#301)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 3.9% |
| Omni-MATH | — | 24.8% |
| LMArena Math | — | 1262 |
| GSM8K | 4.4% | — |

## Knowledge

- DeepSeek Coder 1.3B: —
- Mistral Small 3.1: 22.6 (#271)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3.1 |
|---|---|---|
| GPQA Diamond | — | 41.9% |
| MMLU-Pro | — | 61% |
| GPQA (HELM) | — | 39.2% |
| LMArena Expert | — | 1257 |
| ARC (AI2) Challenge | 25.4% | — |
| MMLU | 25.8% | — |

## Multimodal

- DeepSeek Coder 1.3B: —
- Mistral Small 3.1: 33.2 (#99)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | — | 1136 |

## Multilingual

- DeepSeek Coder 1.3B: —
- Mistral Small 3.1: 41.2 (#209)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3.1 |
|---|---|---|
| LMArena Non-English | — | 1255 |
| LMArena Chinese | — | 1253 |
| LMArena French | — | 1273 |
| LMArena German | — | 1266 |
| LMArena Japanese | — | 1208 |
| LMArena Korean | — | 1206 |
| LMArena Russian | — | 1263 |
| LMArena Spanish | — | 1283 |

## Instruction Following

- DeepSeek Coder 1.3B: —
- Mistral Small 3.1: 63.6 (#230)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3.1 |
|---|---|---|
| IFEval | — | 75% |
| LMArena Instruction Following | — | 1264 |

## Long Context

- DeepSeek Coder 1.3B: —
- Mistral Small 3.1: 39.5 (#178)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | — | 1299 |

## Writing & Preference

- DeepSeek Coder 1.3B: —
- Mistral Small 3.1: 37.0 (#259)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3.1 |
|---|---|---|
| LMArena Text | — | 1277 |
| LMArena Creative Writing | — | 1253 |
| EQ-Bench Creative Writing | — | 761 |
| WildBench | — | 78.8% |
| LMArena Multi-Turn | — | 1270 |

## FAQ

### Is DeepSeek Coder 1.3B better than Mistral Small 3.1?

Mistral Small 3.1 has enough public results to be ranked (#269); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

### Is DeepSeek Coder 1.3B or Mistral Small 3.1 better for coding?

Mistral Small 3.1 scores higher on coding benchmarks: 38.3 versus 31.2 in the Noometry coding category.

### How many benchmarks do DeepSeek Coder 1.3B and Mistral Small 3.1 share?

1 benchmark has published results for both models. DeepSeek Coder 1.3B has 9 scored results on Noometry and Mistral Small 3.1 has 28.