# DeepSeek Coder 1.3B vs DeepSeek-V2.5 (Sep 2024)

> DeepSeek-V2.5 (Sep 2024) has enough public results to be ranked (#197); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/deepseek-coder-1-3b-vs-deepseek-v2-5
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. DeepSeek Coder 1.3B scores higher in 0 categories and DeepSeek-V2.5 (Sep 2024) in 1 category, but none of those gaps is larger than the uncertainty.
- The biggest single-benchmark swing is BigCodeBench Instruct: 22.8% for DeepSeek Coder 1.3B and 48.6% for DeepSeek-V2.5 (Sep 2024).

## Snapshot

| | DeepSeek Coder 1.3B | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| Provider | DeepSeek | DeepSeek |
| Noometry Index | 34.5 | 37.0 |
| Rank | — | 197 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- DeepSeek Coder 1.3B: 30.7 (#282)
- DeepSeek-V2.5 (Sep 2024): 31.3 (#274)

| Benchmark | DeepSeek Coder 1.3B | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| BigCodeBench Instruct | 22.8% | 48.6% |
| BigCodeBench Complete | 29.6% | 53.2% |
| HumanEval+ | 60.4% | 83.5% |
| MBPP+ | 54.8% | 74.1% |
| Aider Polyglot | — | 17.8% |
| LMArena Coding | — | 1310 |

## Reasoning

- DeepSeek Coder 1.3B: —
- DeepSeek-V2.5 (Sep 2024): 24.5 (#145)

| Benchmark | DeepSeek Coder 1.3B | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Hard Prompts | — | 1289 |
| Epoch Capabilities Index | 62.18 | — |
| WinoGrande | 53.3% | — |

## Math

- DeepSeek Coder 1.3B: —
- DeepSeek-V2.5 (Sep 2024): 33.3 (#177)

| Benchmark | DeepSeek Coder 1.3B | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Math | — | 1289 |
| GSM8K | 4.4% | — |

## Knowledge

- DeepSeek Coder 1.3B: —
- DeepSeek-V2.5 (Sep 2024): 34.2 (#190)

| Benchmark | DeepSeek Coder 1.3B | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Expert | — | 1266 |
| ARC (AI2) Challenge | 25.4% | — |
| MMLU | 25.8% | — |

## Multilingual

- DeepSeek Coder 1.3B: —
- DeepSeek-V2.5 (Sep 2024): 42.7 (#188)

| Benchmark | DeepSeek Coder 1.3B | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Non-English | — | 1273 |
| LMArena Chinese | — | 1317 |
| LMArena French | — | 1288 |
| LMArena German | — | 1258 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1209 |
| LMArena Russian | — | 1289 |
| LMArena Spanish | — | 1248 |

## Instruction Following

- DeepSeek Coder 1.3B: —
- DeepSeek-V2.5 (Sep 2024): 67.7 (#189)

| Benchmark | DeepSeek Coder 1.3B | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Instruction Following | — | 1280 |

## Long Context

- DeepSeek Coder 1.3B: —
- DeepSeek-V2.5 (Sep 2024): 39.5 (#169)

| Benchmark | DeepSeek Coder 1.3B | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Longer Query | — | 1301 |

## Writing & Preference

- DeepSeek Coder 1.3B: —
- DeepSeek-V2.5 (Sep 2024): 50.0 (#182)

| Benchmark | DeepSeek Coder 1.3B | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Text | — | 1294 |
| LMArena Creative Writing | — | 1285 |
| LMArena Multi-Turn | — | 1297 |

## FAQ

### Is DeepSeek Coder 1.3B better than DeepSeek-V2.5 (Sep 2024)?

DeepSeek-V2.5 (Sep 2024) has enough public results to be ranked (#197); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

### Is DeepSeek Coder 1.3B or DeepSeek-V2.5 (Sep 2024) better for coding?

They score almost the same on coding (30.7 vs 31.3); test both on your own repository before choosing.

### How many benchmarks do DeepSeek Coder 1.3B and DeepSeek-V2.5 (Sep 2024) share?

4 benchmarks have published results for both models. DeepSeek Coder 1.3B has 9 scored results on Noometry and DeepSeek-V2.5 (Sep 2024) has 22.