# DeepSeek Coder 1.3B vs Mistral Small 3

> Mistral Small 3 has enough public results to be ranked (#278); 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
- Last updated: 2026-10-11
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. DeepSeek Coder 1.3B scores higher in 0 categories and Mistral Small 3 in 1 category; one gap is clear of the uncertainty.
- The widest gap is in coding, where Mistral Small 3 leads 36.5 to 31.2.
- The biggest single-benchmark swing is BigCodeBench Instruct: 22.8% for DeepSeek Coder 1.3B and 45.3% for Mistral Small 3.

## Snapshot

| | DeepSeek Coder 1.3B | Mistral Small 3 |
|---|---|---|
| Provider | DeepSeek | Mistral AI |
| Noometry Index | 35.0 | 31.2 |
| Rank | — | 278 |
| Context | — | 33K |
| Input $/M | — | $0.05 |
| Output $/M | — | $0.08 |
| Weights | Open | Open |

## Coding

- DeepSeek Coder 1.3B: 31.2 (#287)
- Mistral Small 3: 36.5 (#207)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3 |
|---|---|---|
| BigCodeBench Instruct | 22.8% | 45.3% |
| BigCodeBench Complete | 29.6% | 50.4% |
| LMArena Coding | — | 1246 |
| HumanEval+ | 60.4% | — |
| MBPP+ | 54.8% | — |

## Reasoning

- DeepSeek Coder 1.3B: —
- Mistral Small 3: 18.9 (#273)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3 |
|---|---|---|
| Epoch Capabilities Index | 63.6 | 127.07 |
| Chess Puzzles | — | 0% |
| LMArena Hard Prompts | — | 1233 |
| WinoGrande | 53.3% | — |

## Math

- DeepSeek Coder 1.3B: —
- Mistral Small 3: 16.3 (#295)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 6.7% |
| LMArena Math | — | 1240 |
| GSM8K | 4.4% | — |

## Knowledge

- DeepSeek Coder 1.3B: —
- Mistral Small 3: 25.1 (#263)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3 |
|---|---|---|
| GPQA Diamond | — | 47.3% |
| Confabulations | — | 25.2% |
| LMArena Expert | — | 1202 |
| ARC (AI2) Challenge | 25.4% | — |
| MMLU | 25.8% | — |

## Multilingual

- DeepSeek Coder 1.3B: —
- Mistral Small 3: 37.3 (#236)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3 |
|---|---|---|
| LMArena Non-English | — | 1198 |
| LMArena Chinese | — | 1204 |
| LMArena French | — | 1203 |
| LMArena German | — | 1211 |
| LMArena Japanese | — | 1111 |
| LMArena Korean | — | 1188 |
| LMArena Russian | — | 1216 |

## Instruction Following

- DeepSeek Coder 1.3B: —
- Mistral Small 3: 63.7 (#229)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3 |
|---|---|---|
| LMArena Instruction Following | — | 1214 |

## Long Context

- DeepSeek Coder 1.3B: —
- Mistral Small 3: 37.8 (#211)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3 |
|---|---|---|
| LMArena Longer Query | — | 1246 |

## Writing & Preference

- DeepSeek Coder 1.3B: —
- Mistral Small 3: 32.2 (#280)

| Benchmark | DeepSeek Coder 1.3B | Mistral Small 3 |
|---|---|---|
| LMArena Text | — | 1234 |
| LMArena Creative Writing | — | 1195 |
| EQ-Bench Creative Writing | — | 707 |
| LMArena Multi-Turn | — | 1217 |

## FAQ

### Is DeepSeek Coder 1.3B better than Mistral Small 3?

Mistral Small 3 has enough public results to be ranked (#278); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

### Is DeepSeek Coder 1.3B or Mistral Small 3 better for coding?

Mistral Small 3 scores higher on coding benchmarks: 36.5 versus 31.2 in the Noometry coding category.

### How many benchmarks do DeepSeek Coder 1.3B and Mistral Small 3 share?

3 benchmarks have published results for both models. DeepSeek Coder 1.3B has 9 scored results on Noometry and Mistral Small 3 has 24.