# DeepSeek Coder 1.3B vs GPT-4.1 nano

> GPT-4.1 nano has enough public results to be ranked (#322); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

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

## Summary

- They share 1 benchmark with published results for both. DeepSeek Coder 1.3B scores higher in 1 category and GPT-4.1 nano in 0 categories; one gap is clear of the uncertainty.
- The widest gap is in coding, where DeepSeek Coder 1.3B leads 30.7 to 23.8.
- DeepSeek Coder 1.3B has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek Coder 1.3B | GPT-4.1 nano |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Noometry Index | 34.5 | 27.7 |
| Rank | — | 322 |
| Context | — | 1.05M |
| Input $/M | — | $0.10 |
| Output $/M | — | $0.40 |
| Weights | Open | Proprietary |

## Coding

- DeepSeek Coder 1.3B: 30.7 (#282)
- GPT-4.1 nano: 23.8 (#325)

| Benchmark | DeepSeek Coder 1.3B | GPT-4.1 nano |
|---|---|---|
| Aider Polyglot | — | 8.9% |
| SciCode | — | 25.9% |
| WeirdML | — | 19% |
| BigCodeBench Instruct | 22.8% | — |
| LMArena Coding | — | 1306 |
| BigCodeBench Complete | 29.6% | — |
| HumanEval+ | 60.4% | — |
| MBPP+ | 54.8% | — |

## Agentic & Tool Use

- DeepSeek Coder 1.3B: —
- GPT-4.1 nano: 26.3 (#98)

| Benchmark | DeepSeek Coder 1.3B | GPT-4.1 nano |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 33% |

## Reasoning

- DeepSeek Coder 1.3B: —
- GPT-4.1 nano: 8.6 (#344)

| Benchmark | DeepSeek Coder 1.3B | GPT-4.1 nano |
|---|---|---|
| Epoch Capabilities Index | 62.18 | 129.62 |
| ARC-AGI-2 | — | 0% |
| Kagi LLM Benchmark | — | 33.3% |
| ARC-AGI-1 | — | 0% |
| CritPt | — | 0% |
| LMArena Hard Prompts | — | 1286 |
| DTBench | — | 52.5% |
| LMCA | — | 5.5% |
| WinoGrande | 53.3% | — |

## Math

- DeepSeek Coder 1.3B: —
- GPT-4.1 nano: 25.5 (#246)

| Benchmark | DeepSeek Coder 1.3B | GPT-4.1 nano |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 28.9% |
| Omni-MATH | — | 36.7% |
| LMArena Math | — | 1274 |
| MATH Level 5 | — | 70% |
| FrontierMath (Feb 2025 set) | — | 1% |
| GSM8K | 4.4% | — |

## Knowledge

- DeepSeek Coder 1.3B: —
- GPT-4.1 nano: 21.8 (#268)

| Benchmark | DeepSeek Coder 1.3B | GPT-4.1 nano |
|---|---|---|
| GPQA Diamond | — | 48.9% |
| SimpleQA Verified | — | 6% |
| MMLU-Pro | — | 55% |
| GPQA (HELM) | — | 50.7% |
| LMArena Expert | — | 1272 |
| ARC (AI2) Challenge | 25.4% | — |
| MMLU | 25.8% | — |

## Multimodal

- DeepSeek Coder 1.3B: —
- GPT-4.1 nano: 28.6 (#108)

| Benchmark | DeepSeek Coder 1.3B | GPT-4.1 nano |
|---|---|---|
| LMArena Vision | — | 1063 |

## Multilingual

- DeepSeek Coder 1.3B: —
- GPT-4.1 nano: 41.8 (#200)

| Benchmark | DeepSeek Coder 1.3B | GPT-4.1 nano |
|---|---|---|
| LMArena Non-English | — | 1260 |
| LMArena Chinese | — | 1270 |
| LMArena German | — | 1288 |
| LMArena Japanese | — | 1199 |
| LMArena Russian | — | 1261 |

## Instruction Following

- DeepSeek Coder 1.3B: —
- GPT-4.1 nano: 68.0 (#188)

| Benchmark | DeepSeek Coder 1.3B | GPT-4.1 nano |
|---|---|---|
| IFEval | — | 84.3% |
| LMArena Instruction Following | — | 1267 |

## Long Context

- DeepSeek Coder 1.3B: —
- GPT-4.1 nano: 23.7 (#291)

| Benchmark | DeepSeek Coder 1.3B | GPT-4.1 nano |
|---|---|---|
| Fiction.LiveBench | — | 25% |
| LMArena Longer Query | — | 1283 |

## Writing & Preference

- DeepSeek Coder 1.3B: —
- GPT-4.1 nano: 40.7 (#238)

| Benchmark | DeepSeek Coder 1.3B | GPT-4.1 nano |
|---|---|---|
| LMArena Text | — | 1285 |
| LMArena Creative Writing | — | 1260 |
| EQ-Bench Creative Writing | — | 946 |
| WildBench | — | 81.2% |
| LMArena Multi-Turn | — | 1277 |

## FAQ

### Is DeepSeek Coder 1.3B better than GPT-4.1 nano?

GPT-4.1 nano has enough public results to be ranked (#322); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

### Is DeepSeek Coder 1.3B or GPT-4.1 nano better for coding?

DeepSeek Coder 1.3B scores higher on coding benchmarks: 30.7 versus 23.8 in the Noometry coding category.

### How many benchmarks do DeepSeek Coder 1.3B and GPT-4.1 nano share?

1 benchmark has published results for both models. DeepSeek Coder 1.3B has 9 scored results on Noometry and GPT-4.1 nano has 38.