Model comparison
Gemma 2 2b IT vs gpt-oss-20b
Gemma 2 2b IT and gpt-oss-20b score almost the same on the Noometry Index (33.1 vs 32.5), so choose on price, context window or the category you care about most.
Last verified . 16 shared benchmarks.
GoogleSummary
- They share 16 benchmarks with published results for both. Gemma 2 2b IT scores higher in 2 categories and gpt-oss-20b in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where gpt-oss-20b leads 42.2 to 32.3.
Side by side
| Gemma 2 2b IT | gpt-oss-20b | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 33.1 | 32.5 |
| Released | — | 2025-08-05 |
| Weights | Open | Open |
| Context window | — | 131K |
| Max output | — | 16K |
| Input $ / M tokens | — | $0.018 |
| Output $ / M tokens | — | $0.09 |
| Results tracked | 17 | 34 |
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Category by category
Coding gpt-oss-20b leads
Gemma 2 2b IT: 32.3 (#273), gpt-oss-20b: 37.6 (#192)
| Benchmark | Gemma 2 2b IT | gpt-oss-20b |
|---|---|---|
| LMArena Coding | 1112 | 1306 |
| SciCode | — | 34.4% |
| WeirdML | — | 40.9% |
| ALE-Bench | — | 566.05 |
Agentic & Tool Use Not comparable
Gemma 2 2b IT: —, gpt-oss-20b: 9.3 (#154)
| Benchmark | Gemma 2 2b IT | gpt-oss-20b |
|---|---|---|
| Terminal-Bench | — | 3.4% |
Reasoning Gemma 2 2b IT leads
Gemma 2 2b IT: 21.4 (#224), gpt-oss-20b: 19.3 (#261)
| Benchmark | Gemma 2 2b IT | gpt-oss-20b |
|---|---|---|
| LMArena Hard Prompts | 1113 | 1274 |
| Kagi LLM Benchmark | — | 53.2% |
| CritPt | — | 1.4% |
| Chess Puzzles | — | 4% |
| DTBench | — | 68% |
| LMCA | — | 14.5% |
| Epoch Capabilities Index | — | 137.82 |
Math gpt-oss-20b leads
Gemma 2 2b IT: 32.6 (#212), gpt-oss-20b: 39.4 (#103)
| Benchmark | Gemma 2 2b IT | gpt-oss-20b |
|---|---|---|
| LMArena Math | 1135 | 1317 |
| OTIS Mock AIME 2024-2025 | — | 65.3% |
| Omni-MATH | — | 56.5% |
Knowledge gpt-oss-20b leads
Gemma 2 2b IT: 29.9 (#231), gpt-oss-20b: 34.6 (#195)
| Benchmark | Gemma 2 2b IT | gpt-oss-20b |
|---|---|---|
| LMArena Expert | 1096 | 1258 |
| GPQA Diamond | — | 60.8% |
| MMLU-Pro | — | 74% |
| GPQA (HELM) | — | 59.4% |
Multilingual gpt-oss-20b leads
Gemma 2 2b IT: 32.3 (#257), gpt-oss-20b: 42.2 (#197)
| Benchmark | Gemma 2 2b IT | gpt-oss-20b |
|---|---|---|
| LMArena Non-English | 1121 | 1268 |
| LMArena Chinese | 1132 | 1314 |
| LMArena German | 1114 | 1255 |
| LMArena Japanese | 1083 | 1244 |
| LMArena Korean | 1055 | 1236 |
| LMArena Russian | 1118 | 1278 |
| LMArena Spanish | 1140 | 1267 |
| LMArena French | 1157 | — |
Instruction Following gpt-oss-20b leads
Gemma 2 2b IT: 57.8 (#263), gpt-oss-20b: 61.8 (#240)
| Benchmark | Gemma 2 2b IT | gpt-oss-20b |
|---|---|---|
| LMArena Instruction Following | 1118 | 1236 |
| IFEval | — | 73.2% |
Long Context gpt-oss-20b leads
Gemma 2 2b IT: 34.3 (#250), gpt-oss-20b: 37.9 (#209)
| Benchmark | Gemma 2 2b IT | gpt-oss-20b |
|---|---|---|
| LMArena Longer Query | 1130 | 1250 |
Writing & Preference Too close to call
Gemma 2 2b IT: 36.5 (#263), gpt-oss-20b: 35.5 (#265)
| Benchmark | Gemma 2 2b IT | gpt-oss-20b |
|---|---|---|
| LMArena Text | 1156 | 1287 |
| LMArena Creative Writing | 1147 | 1201 |
| LMArena Multi-Turn | 1118 | 1268 |
| EQ-Bench Creative Writing | — | 666 |
| WildBench | — | 73.7% |
Frequently asked questions
Is Gemma 2 2b IT better than gpt-oss-20b?
Gemma 2 2b IT and gpt-oss-20b score almost the same on the Noometry Index (33.1 vs 32.5), so choose on price, context window or the category you care about most.
Is Gemma 2 2b IT or gpt-oss-20b better for coding?
gpt-oss-20b scores higher on coding benchmarks: 37.6 versus 32.3 in the Noometry coding category.
How many benchmarks do Gemma 2 2b IT and gpt-oss-20b share?
16 benchmarks have published results for both models. Gemma 2 2b IT has 17 scored results on Noometry and gpt-oss-20b has 34.