# DeepSeek Coder 33B vs gpt-oss-20b

> gpt-oss-20b has enough public results to be ranked (#255); DeepSeek Coder 33B does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/deepseek-coder-33b-vs-gpt-oss-20b
- Last updated: 2026-10-11
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. DeepSeek Coder 33B scores higher in 1 category and gpt-oss-20b in 0 categories, but none of those gaps is larger than the uncertainty.

## Snapshot

| | DeepSeek Coder 33B | gpt-oss-20b |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Noometry Index | 38.9 | 32.5 |
| Rank | — | 255 |
| Context | — | 131K |
| Input $/M | — | $0.018 |
| Output $/M | — | $0.09 |
| Weights | Open | Open |

## Coding

- DeepSeek Coder 33B: 38.0 (#184)
- gpt-oss-20b: 37.6 (#192)

| Benchmark | DeepSeek Coder 33B | gpt-oss-20b |
|---|---|---|
| SciCode | — | 34.4% |
| WeirdML | — | 40.9% |
| BigCodeBench Instruct | 42% | — |
| LMArena Coding | — | 1306 |
| BigCodeBench Complete | 51.1% | — |
| ALE-Bench | — | 566.05 |
| HumanEval+ | 75% | — |
| MBPP+ | 70.1% | — |

## Agentic & Tool Use

- DeepSeek Coder 33B: —
- gpt-oss-20b: 9.3 (#154)

| Benchmark | DeepSeek Coder 33B | gpt-oss-20b |
|---|---|---|
| Terminal-Bench | — | 3.4% |

## Reasoning

- DeepSeek Coder 33B: —
- gpt-oss-20b: 19.3 (#261)

| Benchmark | DeepSeek Coder 33B | gpt-oss-20b |
|---|---|---|
| Epoch Capabilities Index | 96.32 | 137.82 |
| Kagi LLM Benchmark | — | 53.2% |
| CritPt | — | 1.4% |
| Chess Puzzles | — | 4% |
| LMArena Hard Prompts | — | 1274 |
| DTBench | — | 68% |
| LMCA | — | 14.5% |
| WinoGrande | 62% | — |

## Math

- DeepSeek Coder 33B: —
- gpt-oss-20b: 39.4 (#103)

| Benchmark | DeepSeek Coder 33B | gpt-oss-20b |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 65.3% |
| Omni-MATH | — | 56.5% |
| LMArena Math | — | 1317 |
| GSM8K | 35.4% | — |

## Knowledge

- DeepSeek Coder 33B: —
- gpt-oss-20b: 34.6 (#195)

| Benchmark | DeepSeek Coder 33B | gpt-oss-20b |
|---|---|---|
| GPQA Diamond | — | 60.8% |
| MMLU-Pro | — | 74% |
| GPQA (HELM) | — | 59.4% |
| LMArena Expert | — | 1258 |
| ARC (AI2) Challenge | 42.2% | — |
| MMLU | 39.4% | — |

## Multilingual

- DeepSeek Coder 33B: —
- gpt-oss-20b: 42.2 (#197)

| Benchmark | DeepSeek Coder 33B | gpt-oss-20b |
|---|---|---|
| LMArena Non-English | — | 1268 |
| LMArena Chinese | — | 1314 |
| LMArena German | — | 1255 |
| LMArena Japanese | — | 1244 |
| LMArena Korean | — | 1236 |
| LMArena Russian | — | 1278 |
| LMArena Spanish | — | 1267 |

## Instruction Following

- DeepSeek Coder 33B: —
- gpt-oss-20b: 61.8 (#240)

| Benchmark | DeepSeek Coder 33B | gpt-oss-20b |
|---|---|---|
| IFEval | — | 73.2% |
| LMArena Instruction Following | — | 1236 |

## Long Context

- DeepSeek Coder 33B: —
- gpt-oss-20b: 37.9 (#209)

| Benchmark | DeepSeek Coder 33B | gpt-oss-20b |
|---|---|---|
| LMArena Longer Query | — | 1250 |

## Writing & Preference

- DeepSeek Coder 33B: —
- gpt-oss-20b: 35.5 (#265)

| Benchmark | DeepSeek Coder 33B | gpt-oss-20b |
|---|---|---|
| LMArena Text | — | 1287 |
| LMArena Creative Writing | — | 1201 |
| EQ-Bench Creative Writing | — | 666 |
| WildBench | — | 73.7% |
| LMArena Multi-Turn | — | 1268 |

## FAQ

### Is DeepSeek Coder 33B better than gpt-oss-20b?

gpt-oss-20b has enough public results to be ranked (#255); DeepSeek Coder 33B does not yet, so treat this comparison as directional.

### Is DeepSeek Coder 33B or gpt-oss-20b better for coding?

They score almost the same on coding (38.0 vs 37.6); test both on your own repository before choosing.

### How many benchmarks do DeepSeek Coder 33B and gpt-oss-20b share?

1 benchmark has published results for both models. DeepSeek Coder 33B has 9 scored results on Noometry and gpt-oss-20b has 34.