# Deepseek Coder v2 vs o1

> o1 is the stronger model overall, scoring 40.9 to 35.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-coder-v2-vs-o1
- Last updated: 2026-10-11
- Shared benchmarks: 19

## Summary

- They share 19 benchmarks with published results for both. Deepseek Coder v2 scores higher in 0 categories and o1 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where o1 leads 55.6 to 38.2.
- Deepseek Coder v2 has downloadable open weights; the other is API-only.

## Snapshot

| | Deepseek Coder v2 | o1 |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Noometry Index | 35.9 | 40.9 |
| Rank | 220 | 143 |
| Context | — | 200K |
| Input $/M | — | $15 |
| Output $/M | — | $60 |
| Weights | Open | Proprietary |

## Coding

- Deepseek Coder v2: 38.1 (#183)
- o1: 46.1 (#70)

| Benchmark | Deepseek Coder v2 | o1 |
|---|---|---|
| LMArena Coding | 1251 | 1367 |
| HumanEval+ | 82.3% | 89% |
| MBPP+ | 75.1% | 80.2% |
| Aider Polyglot | — | 61.7% |
| WeirdML | — | 47.6% |
| BigCodeBench Instruct | 48.2% | — |
| LiveBench Coding | — | 69.7% |
| BigCodeBench Complete | 59.7% | — |
| CadEval | — | 56% |

## Agentic & Tool Use

- Deepseek Coder v2: —
- o1: 24.6 (#117)

| Benchmark | Deepseek Coder v2 | o1 |
|---|---|---|
| Cybench | — | 10% |
| METR Time Horizons | — | 51.1% |

## Reasoning

- Deepseek Coder v2: 23.6 (#176)
- o1: 27.9 (#111)

| Benchmark | Deepseek Coder v2 | o1 |
|---|---|---|
| LMArena Hard Prompts | 1207 | 1371 |
| SimpleBench | — | 41.7% |
| ARC-AGI-1 | — | 30.7% |
| Chess Puzzles | — | 15% |
| EnigmaEval | — | 5.7% |
| LiveBench Reasoning | — | 91.6% |
| DTBench | — | 74.7% |
| LiveBench Data Analysis | — | 65.5% |
| LMCA | — | 22.3% |
| Epoch Capabilities Index | — | 141.91 |
| LiveBench | — | 75.7% |
| WinoGrande | 83.7% | — |

## Math

- Deepseek Coder v2: 34.9 (#190)
- o1: 36.1 (#175)

| Benchmark | Deepseek Coder v2 | o1 |
|---|---|---|
| LMArena Math | 1241 | 1388 |
| FrontierMath (Tiers 1-3) | — | 14.7% |
| OTIS Mock AIME 2024-2025 | — | 73.3% |
| LiveBench Math | — | 80.3% |
| MATH Level 5 | — | 94.7% |
| FrontierMath (Feb 2025 set) | — | 9.3% |
| GSM8K | 94.5% | — |

## Knowledge

- Deepseek Coder v2: 32.3 (#212)
- o1: 41.5 (#110)

| Benchmark | Deepseek Coder v2 | o1 |
|---|---|---|
| LMArena Expert | 1181 | 1361 |
| GPQA Diamond | — | 76.8% |
| Humanity's Last Exam | — | 8% |
| SimpleQA Verified | — | 41.1% |
| Confabulations | — | 11.7% |
| ARC (AI2) Challenge | 64.3% | — |

## Multimodal

- Deepseek Coder v2: —
- o1: 34.2 (#93)

| Benchmark | Deepseek Coder v2 | o1 |
|---|---|---|
| LMArena Vision | — | 1168 |
| GeoBench | — | 80% |
| VPCT | — | 37% |
| SpatialViz-Bench | — | 41.4% |

## Multilingual

- Deepseek Coder v2: 36.3 (#240)
- o1: 48.6 (#142)

| Benchmark | Deepseek Coder v2 | o1 |
|---|---|---|
| LMArena Non-English | 1182 | 1358 |
| LMArena Chinese | 1201 | 1394 |
| LMArena French | 1185 | 1344 |
| LMArena German | 1164 | 1337 |
| LMArena Japanese | 1126 | 1346 |
| LMArena Korean | 1104 | 1396 |
| LMArena Russian | 1188 | 1356 |
| LMArena Spanish | 1153 | 1345 |

## Instruction Following

- Deepseek Coder v2: 61.7 (#242)
- o1: 74.8 (#86)

| Benchmark | Deepseek Coder v2 | o1 |
|---|---|---|
| LMArena Instruction Following | 1180 | 1367 |
| LiveBench Instruction Following | — | 81.5% |

## Long Context

- Deepseek Coder v2: 37.0 (#224)
- o1: 50.3 (#9)

| Benchmark | Deepseek Coder v2 | o1 |
|---|---|---|
| LMArena Longer Query | 1219 | 1378 |
| Fiction.LiveBench | — | 83.3% |

## Writing & Preference

- Deepseek Coder v2: 38.2 (#253)
- o1: 55.6 (#144)

| Benchmark | Deepseek Coder v2 | o1 |
|---|---|---|
| LMArena Text | 1191 | 1366 |
| LMArena Creative Writing | 1120 | 1348 |
| LMArena Multi-Turn | 1177 | 1369 |
| Short-Story Creative Writing | — | 70.2% |
| LiveBench Language | — | 65.4% |

## FAQ

### Is Deepseek Coder v2 better than o1?

o1 is the stronger model overall, scoring 40.9 to 35.9 on the Noometry Index.

### Is Deepseek Coder v2 or o1 better for coding?

o1 scores higher on coding benchmarks: 46.1 versus 38.1 in the Noometry coding category.

### How many benchmarks do Deepseek Coder v2 and o1 share?

19 benchmarks have published results for both models. Deepseek Coder v2 has 24 scored results on Noometry and o1 has 52.