Model comparison
DeepSeek LLM 67B vs gpt-oss-120b
gpt-oss-120b is the stronger model overall, scoring 36.0 to 24.8 on the Noometry Index.
Last verified . 14 shared benchmarks.
DeepSeekSummary
- They share 14 benchmarks with published results for both. DeepSeek LLM 67B scores higher in 1 category and gpt-oss-120b in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where gpt-oss-120b leads 50.6 to 8.1.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 0.8% for DeepSeek LLM 67B and 88.9% for gpt-oss-120b.
Side by side
| DeepSeek LLM 67B | gpt-oss-120b | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Noometry Index | 24.8 | 36.0 |
| Released | 2023-11-29 | 2025-08-05 |
| Weights | Open | Open |
| Context window | — | 131K |
| Max output | — | 41K |
| Input $ / M tokens | — | $0.037 |
| Output $ / M tokens | — | $0.17 |
| Results tracked | 15 | 48 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding gpt-oss-120b leads
DeepSeek LLM 67B: 31.3 (#273), gpt-oss-120b: 33.2 (#251)
| Benchmark | DeepSeek LLM 67B | gpt-oss-120b |
|---|---|---|
| LMArena Coding | 1096 | 1380 |
| SWE-bench Verified (bash only) | — | 26% |
| Aider Polyglot | — | 41.8% |
| SciCode | — | 36% |
| WeirdML | — | 48.2% |
| ALE-Bench | — | 575.62 |
| AlgoTune | — | 1.41 |
Agentic & Tool Use Not comparable
DeepSeek LLM 67B: —, gpt-oss-120b: 12.1 (#145)
| Benchmark | DeepSeek LLM 67B | gpt-oss-120b |
|---|---|---|
| Terminal-Bench | — | 18.7% |
| APEX-Agents | — | 4.4% |
| METR Time Horizons | — | 56.6% |
| Vending-Bench 2 | — | -21.53 |
Reasoning gpt-oss-120b leads
DeepSeek LLM 67B: 15.9 (#300), gpt-oss-120b: 19.5 (#236)
| Benchmark | DeepSeek LLM 67B | gpt-oss-120b |
|---|---|---|
| Chess Puzzles | 0% | 20% |
| LMArena Hard Prompts | 1070 | 1364 |
| Epoch Capabilities Index | 110.54 | 139.94 |
| SimpleBench | — | 22.1% |
| Kagi LLM Benchmark | — | 58.6% |
| CritPt | — | 1.1% |
| Mystery Game Puzzles | — | 2% |
| DTBench | — | 76.3% |
| LMCA | — | 22.1% |
| Surface Evolver Bench | — | 25% |
Math gpt-oss-120b leads
DeepSeek LLM 67B: 8.1 (#318), gpt-oss-120b: 50.6 (#43)
| Benchmark | DeepSeek LLM 67B | gpt-oss-120b |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 0.8% | 88.9% |
| LMArena Math | 1108 | 1388 |
| Omni-MATH | — | 68.8% |
| MATH Level 5 | 6.4% | — |
Knowledge gpt-oss-120b leads
DeepSeek LLM 67B: 7.1 (#308), gpt-oss-120b: 42.3 (#89)
| Benchmark | DeepSeek LLM 67B | gpt-oss-120b |
|---|---|---|
| GPQA Diamond | 24.6% | 75.8% |
| MMLU-Pro | — | 79.5% |
| Confabulations | — | 15.7% |
| Vectara Hallucination Rate | — | 14.2% |
| GPQA (HELM) | — | 68.4% |
| LMArena Expert | — | 1356 |
Multilingual gpt-oss-120b leads
DeepSeek LLM 67B: 29.5 (#262), gpt-oss-120b: 48.2 (#142)
| Benchmark | DeepSeek LLM 67B | gpt-oss-120b |
|---|---|---|
| LMArena Non-English | 1073 | 1350 |
| LMArena Chinese | 1132 | 1384 |
| LMArena French | — | 1370 |
| LMArena German | — | 1355 |
| LMArena Japanese | — | 1332 |
| LMArena Korean | — | 1283 |
| LMArena Russian | — | 1343 |
| LMArena Spanish | — | 1388 |
Instruction Following gpt-oss-120b leads
DeepSeek LLM 67B: 55.7 (#272), gpt-oss-120b: 69.5 (#168)
| Benchmark | DeepSeek LLM 67B | gpt-oss-120b |
|---|---|---|
| LMArena Instruction Following | 1079 | 1318 |
| IFEval | — | 83.6% |
Long Context DeepSeek LLM 67B leads
DeepSeek LLM 67B: 33.1 (#260), gpt-oss-120b: 31.4 (#273)
| Benchmark | DeepSeek LLM 67B | gpt-oss-120b |
|---|---|---|
| LMArena Longer Query | 1092 | 1319 |
| Fiction.LiveBench | — | 44.4% |
Writing & Preference gpt-oss-120b leads
DeepSeek LLM 67B: 31.8 (#277), gpt-oss-120b: 46.7 (#213)
| Benchmark | DeepSeek LLM 67B | gpt-oss-120b |
|---|---|---|
| LMArena Text | 1105 | 1366 |
| LMArena Creative Writing | 1067 | 1274 |
| LMArena Multi-Turn | 1082 | 1340 |
| Short-Story Creative Writing | — | 77.1% |
| EQ-Bench Creative Writing | — | 961 |
| WildBench | — | 84.5% |
Frequently asked questions
Is DeepSeek LLM 67B better than gpt-oss-120b?
gpt-oss-120b is the stronger model overall, scoring 36.0 to 24.8 on the Noometry Index.
Is DeepSeek LLM 67B or gpt-oss-120b better for coding?
gpt-oss-120b scores higher on coding benchmarks: 33.2 versus 31.3 in the Noometry coding category.
How many benchmarks do DeepSeek LLM 67B and gpt-oss-120b share?
14 benchmarks have published results for both models. DeepSeek LLM 67B has 15 scored results on Noometry and gpt-oss-120b has 48.