# Deepseek Coder v2 vs Step 2 16k Exp 202412

> Step 2 16k Exp 202412 is the stronger model overall, scoring 38.6 to 35.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-coder-v2-vs-step-2-16k-exp-202412
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Deepseek Coder v2 scores higher in 0 categories and Step 2 16k Exp 202412 in 8 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Step 2 16k Exp 202412 leads 52.5 to 38.4.
- Deepseek Coder v2 has downloadable open weights; the other is API-only.

## Snapshot

| | Deepseek Coder v2 | Step 2 16k Exp 202412 |
|---|---|---|
| Provider | DeepSeek | StepFun |
| Noometry Index | 35.3 | 38.6 |
| Rank | 217 | 173 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- Deepseek Coder v2: 37.5 (#178)
- Step 2 16k Exp 202412: 37.9 (#170)

| Benchmark | Deepseek Coder v2 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Coding | 1251 | 1316 |
| BigCodeBench Instruct | 48.2% | — |
| BigCodeBench Complete | 59.7% | — |
| HumanEval+ | 82.3% | — |
| MBPP+ | 75.1% | — |

## Reasoning

- Deepseek Coder v2: 22.6 (#175)
- Step 2 16k Exp 202412: 24.8 (#140)

| Benchmark | Deepseek Coder v2 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Hard Prompts | 1207 | 1299 |
| WinoGrande | 83.7% | — |

## Math

- Deepseek Coder v2: 32.3 (#188)
- Step 2 16k Exp 202412: 33.6 (#171)

| Benchmark | Deepseek Coder v2 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | 1241 | 1305 |
| GSM8K | 94.5% | — |

## Knowledge

- Deepseek Coder v2: 31.7 (#209)
- Step 2 16k Exp 202412: 34.6 (#187)

| Benchmark | Deepseek Coder v2 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | 1181 | 1279 |
| ARC (AI2) Challenge | 64.3% | — |

## Multilingual

- Deepseek Coder v2: 36.4 (#235)
- Step 2 16k Exp 202412: 43.9 (#176)

| Benchmark | Deepseek Coder v2 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Non-English | 1182 | 1290 |
| LMArena Chinese | 1201 | 1331 |
| LMArena Russian | 1188 | 1324 |
| LMArena French | 1184 | — |
| LMArena German | 1164 | — |
| LMArena Japanese | 1126 | — |
| LMArena Korean | 1104 | — |
| LMArena Spanish | 1153 | — |

## Instruction Following

- Deepseek Coder v2: 61.9 (#237)
- Step 2 16k Exp 202412: 68.1 (#187)

| Benchmark | Deepseek Coder v2 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | 1180 | 1287 |

## Long Context

- Deepseek Coder v2: 37.0 (#219)
- Step 2 16k Exp 202412: 39.7 (#165)

| Benchmark | Deepseek Coder v2 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | 1219 | 1307 |

## Writing & Preference

- Deepseek Coder v2: 38.4 (#249)
- Step 2 16k Exp 202412: 52.5 (#168)

| Benchmark | Deepseek Coder v2 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | 1191 | 1321 |
| LMArena Creative Writing | 1120 | 1328 |
| LMArena Multi-Turn | 1176 | 1292 |

## FAQ

### Is Deepseek Coder v2 better than Step 2 16k Exp 202412?

Step 2 16k Exp 202412 is the stronger model overall, scoring 38.6 to 35.3 on the Noometry Index.

### Is Deepseek Coder v2 or Step 2 16k Exp 202412 better for coding?

They score almost the same on coding (37.5 vs 37.9); test both on your own repository before choosing.

### How many benchmarks do Deepseek Coder v2 and Step 2 16k Exp 202412 share?

12 benchmarks have published results for both models. Deepseek Coder v2 has 24 scored results on Noometry and Step 2 16k Exp 202412 has 12.