# Deepseek Coder v2 vs DeepSeek-V2.5 (Sep 2024)

> DeepSeek-V2.5 (Sep 2024) is the stronger model overall, scoring 37.0 to 35.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-coder-v2-vs-deepseek-v2-5
- Last updated: 2026-10-10
- Shared benchmarks: 21

## Summary

- They share 21 benchmarks with published results for both. Deepseek Coder v2 scores higher in 1 category and DeepSeek-V2.5 (Sep 2024) in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where DeepSeek-V2.5 (Sep 2024) leads 50.0 to 38.4.
- The biggest single-benchmark swing is BigCodeBench Complete: 59.7% for Deepseek Coder v2 and 53.2% for DeepSeek-V2.5 (Sep 2024).

## Snapshot

| | Deepseek Coder v2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| Provider | DeepSeek | DeepSeek |
| Noometry Index | 35.3 | 37.0 |
| Rank | 217 | 197 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Deepseek Coder v2: 37.5 (#178)
- DeepSeek-V2.5 (Sep 2024): 31.3 (#274)

| Benchmark | Deepseek Coder v2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| BigCodeBench Instruct | 48.2% | 48.6% |
| LMArena Coding | 1251 | 1310 |
| BigCodeBench Complete | 59.7% | 53.2% |
| HumanEval+ | 82.3% | 83.5% |
| MBPP+ | 75.1% | 74.1% |
| Aider Polyglot | — | 17.8% |

## Reasoning

- Deepseek Coder v2: 22.6 (#175)
- DeepSeek-V2.5 (Sep 2024): 24.5 (#145)

| Benchmark | Deepseek Coder v2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Hard Prompts | 1207 | 1289 |
| WinoGrande | 83.7% | — |

## Math

- Deepseek Coder v2: 32.3 (#188)
- DeepSeek-V2.5 (Sep 2024): 33.3 (#177)

| Benchmark | Deepseek Coder v2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Math | 1241 | 1289 |
| GSM8K | 94.5% | — |

## Knowledge

- Deepseek Coder v2: 31.7 (#209)
- DeepSeek-V2.5 (Sep 2024): 34.2 (#190)

| Benchmark | Deepseek Coder v2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Expert | 1181 | 1266 |
| ARC (AI2) Challenge | 64.3% | — |

## Multilingual

- Deepseek Coder v2: 36.4 (#235)
- DeepSeek-V2.5 (Sep 2024): 42.7 (#188)

| Benchmark | Deepseek Coder v2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Non-English | 1182 | 1273 |
| LMArena Chinese | 1201 | 1317 |
| LMArena French | 1184 | 1288 |
| LMArena German | 1164 | 1258 |
| LMArena Japanese | 1126 | 1228 |
| LMArena Korean | 1104 | 1209 |
| LMArena Russian | 1188 | 1289 |
| LMArena Spanish | 1153 | 1248 |

## Instruction Following

- Deepseek Coder v2: 61.9 (#237)
- DeepSeek-V2.5 (Sep 2024): 67.7 (#189)

| Benchmark | Deepseek Coder v2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Instruction Following | 1180 | 1280 |

## Long Context

- Deepseek Coder v2: 37.0 (#219)
- DeepSeek-V2.5 (Sep 2024): 39.5 (#169)

| Benchmark | Deepseek Coder v2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Longer Query | 1219 | 1301 |

## Writing & Preference

- Deepseek Coder v2: 38.4 (#249)
- DeepSeek-V2.5 (Sep 2024): 50.0 (#182)

| Benchmark | Deepseek Coder v2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Text | 1191 | 1294 |
| LMArena Creative Writing | 1120 | 1285 |
| LMArena Multi-Turn | 1176 | 1297 |

## FAQ

### Is Deepseek Coder v2 better than DeepSeek-V2.5 (Sep 2024)?

DeepSeek-V2.5 (Sep 2024) is the stronger model overall, scoring 37.0 to 35.3 on the Noometry Index.

### Is Deepseek Coder v2 or DeepSeek-V2.5 (Sep 2024) better for coding?

Deepseek Coder v2 scores higher on coding benchmarks: 37.5 versus 31.3 in the Noometry coding category.

### How many benchmarks do Deepseek Coder v2 and DeepSeek-V2.5 (Sep 2024) share?

21 benchmarks have published results for both models. Deepseek Coder v2 has 24 scored results on Noometry and DeepSeek-V2.5 (Sep 2024) has 22.