# Deepseek Coder v2 vs GPT-4.1 nano

> Deepseek Coder v2 is the stronger model overall, scoring 35.9 to 27.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-coder-v2-vs-gpt-4-1-nano
- Last updated: 2026-10-10
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. Deepseek Coder v2 scores higher in 5 categories and GPT-4.1 nano in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Deepseek Coder v2 leads 23.6 to 8.5.
- Deepseek Coder v2 has downloadable open weights; the other is API-only.

## Snapshot

| | Deepseek Coder v2 | GPT-4.1 nano |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Noometry Index | 35.9 | 27.9 |
| Rank | 220 | 327 |
| Context | — | 1.05M |
| Input $/M | — | $0.10 |
| Output $/M | — | $0.40 |
| Weights | Open | Proprietary |

## Coding

- Deepseek Coder v2: 38.1 (#183)
- GPT-4.1 nano: 24.1 (#330)

| Benchmark | Deepseek Coder v2 | GPT-4.1 nano |
|---|---|---|
| LMArena Coding | 1251 | 1306 |
| Aider Polyglot | — | 8.9% |
| SciCode | — | 25.9% |
| WeirdML | — | 19% |
| BigCodeBench Instruct | 48.2% | — |
| BigCodeBench Complete | 59.7% | — |
| HumanEval+ | 82.3% | — |
| MBPP+ | 75.1% | — |

## Agentic & Tool Use

- Deepseek Coder v2: —
- GPT-4.1 nano: 26.5 (#104)

| Benchmark | Deepseek Coder v2 | GPT-4.1 nano |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 33% |

## Reasoning

- Deepseek Coder v2: 23.6 (#176)
- GPT-4.1 nano: 8.5 (#349)

| Benchmark | Deepseek Coder v2 | GPT-4.1 nano |
|---|---|---|
| LMArena Hard Prompts | 1207 | 1286 |
| ARC-AGI-2 | — | 0% |
| Kagi LLM Benchmark | — | 33.3% |
| ARC-AGI-1 | — | 0% |
| CritPt | — | 0% |
| DTBench | — | 52.5% |
| LMCA | — | 5.5% |
| Epoch Capabilities Index | — | 129.62 |
| WinoGrande | 83.7% | — |

## Math

- Deepseek Coder v2: 34.9 (#190)
- GPT-4.1 nano: 26.9 (#252)

| Benchmark | Deepseek Coder v2 | GPT-4.1 nano |
|---|---|---|
| LMArena Math | 1241 | 1274 |
| OTIS Mock AIME 2024-2025 | — | 28.9% |
| Omni-MATH | — | 36.7% |
| MATH Level 5 | — | 70% |
| FrontierMath (Feb 2025 set) | — | 1% |
| GSM8K | 94.5% | — |

## Knowledge

- Deepseek Coder v2: 32.3 (#212)
- GPT-4.1 nano: 21.8 (#273)

| Benchmark | Deepseek Coder v2 | GPT-4.1 nano |
|---|---|---|
| LMArena Expert | 1181 | 1272 |
| GPQA Diamond | — | 48.9% |
| SimpleQA Verified | — | 6% |
| MMLU-Pro | — | 55% |
| GPQA (HELM) | — | 50.7% |
| ARC (AI2) Challenge | 64.3% | — |

## Multimodal

- Deepseek Coder v2: —
- GPT-4.1 nano: 29.2 (#113)

| Benchmark | Deepseek Coder v2 | GPT-4.1 nano |
|---|---|---|
| LMArena Vision | — | 1063 |

## Multilingual

- Deepseek Coder v2: 36.3 (#240)
- GPT-4.1 nano: 41.6 (#205)

| Benchmark | Deepseek Coder v2 | GPT-4.1 nano |
|---|---|---|
| LMArena Non-English | 1182 | 1260 |
| LMArena Chinese | 1201 | 1270 |
| LMArena German | 1164 | 1288 |
| LMArena Japanese | 1126 | 1198 |
| LMArena Russian | 1188 | 1261 |
| LMArena French | 1185 | — |
| LMArena Korean | 1104 | — |
| LMArena Spanish | 1153 | — |

## Instruction Following

- Deepseek Coder v2: 61.7 (#242)
- GPT-4.1 nano: 67.8 (#193)

| Benchmark | Deepseek Coder v2 | GPT-4.1 nano |
|---|---|---|
| LMArena Instruction Following | 1180 | 1267 |
| IFEval | — | 84.3% |

## Long Context

- Deepseek Coder v2: 37.0 (#224)
- GPT-4.1 nano: 23.7 (#296)

| Benchmark | Deepseek Coder v2 | GPT-4.1 nano |
|---|---|---|
| LMArena Longer Query | 1219 | 1283 |
| Fiction.LiveBench | — | 25% |

## Writing & Preference

- Deepseek Coder v2: 38.2 (#253)
- GPT-4.1 nano: 40.5 (#243)

| Benchmark | Deepseek Coder v2 | GPT-4.1 nano |
|---|---|---|
| LMArena Text | 1191 | 1285 |
| LMArena Creative Writing | 1120 | 1260 |
| LMArena Multi-Turn | 1177 | 1277 |
| EQ-Bench Creative Writing | — | 946 |
| WildBench | — | 81.2% |

## FAQ

### Is Deepseek Coder v2 better than GPT-4.1 nano?

Deepseek Coder v2 is the stronger model overall, scoring 35.9 to 27.9 on the Noometry Index.

### Is Deepseek Coder v2 or GPT-4.1 nano better for coding?

Deepseek Coder v2 scores higher on coding benchmarks: 38.1 versus 24.1 in the Noometry coding category.

### How many benchmarks do Deepseek Coder v2 and GPT-4.1 nano share?

14 benchmarks have published results for both models. Deepseek Coder v2 has 24 scored results on Noometry and GPT-4.1 nano has 38.