Model comparison
Gemma 2 2b IT vs GPT-5.5 Pro
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 33.1 on the Noometry Index.
Last verified . 0 shared benchmarks.
GoogleSummary
- The widest gap is in reasoning, where GPT-5.5 Pro leads 73.3 to 21.4.
- Gemma 2 2b IT has downloadable open weights; the other is API-only.
Side by side
| Gemma 2 2b IT | GPT-5.5 Pro | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 33.1 | 64.3 |
| Released | — | 2026-04-23 |
| Weights | Open | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 128K |
| Input $ / M tokens | — | $30 |
| Output $ / M tokens | — | $180 |
| Results tracked | 17 | 14 |
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Category by category
Coding Not comparable
Gemma 2 2b IT: 32.3 (#273), GPT-5.5 Pro: —
| Benchmark | Gemma 2 2b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Coding | 1112 | — |
Reasoning GPT-5.5 Pro leads
Gemma 2 2b IT: 21.4 (#224), GPT-5.5 Pro: 73.3 (#10)
| Benchmark | Gemma 2 2b IT | GPT-5.5 Pro |
|---|---|---|
| ARC-AGI-2 | — | 84.6% |
| SimpleBench | — | 76.9% |
| ARC-AGI-1 | — | 96.5% |
| CritPt | — | 30.6% |
| Chess Puzzles | — | 64% |
| LMArena Hard Prompts | 1113 | — |
| DTBench | — | 96% |
| LMCA | — | 53.9% |
| Epoch Capabilities Index | — | 162.07 |
Math GPT-5.5 Pro leads
Gemma 2 2b IT: 32.6 (#212), GPT-5.5 Pro: 84.0 (#10)
| Benchmark | Gemma 2 2b IT | GPT-5.5 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 87.7% |
| FrontierMath Tier 4 | — | 78% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| LMArena Math | 1135 | — |
| FrontierMath (Feb 2025 set) | — | 52.4% |
| FrontierMath Tier 4 (v1) | — | 39.6% |
Knowledge GPT-5.5 Pro leads
Gemma 2 2b IT: 29.9 (#231), GPT-5.5 Pro: 64.1 (#19)
| Benchmark | Gemma 2 2b IT | GPT-5.5 Pro |
|---|---|---|
| GPQA Diamond | — | 93.9% |
| LMArena Expert | 1096 | — |
Multilingual Not comparable
Gemma 2 2b IT: 32.3 (#257), GPT-5.5 Pro: —
| Benchmark | Gemma 2 2b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Non-English | 1121 | — |
| LMArena Chinese | 1132 | — |
| LMArena French | 1157 | — |
| LMArena German | 1114 | — |
| LMArena Japanese | 1083 | — |
| LMArena Korean | 1055 | — |
| LMArena Russian | 1118 | — |
| LMArena Spanish | 1140 | — |
Instruction Following Not comparable
Gemma 2 2b IT: 57.8 (#263), GPT-5.5 Pro: —
| Benchmark | Gemma 2 2b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Instruction Following | 1118 | — |
Long Context Not comparable
Gemma 2 2b IT: 34.3 (#250), GPT-5.5 Pro: —
| Benchmark | Gemma 2 2b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Longer Query | 1130 | — |
Writing & Preference Not comparable
Gemma 2 2b IT: 36.5 (#263), GPT-5.5 Pro: —
| Benchmark | Gemma 2 2b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Text | 1156 | — |
| LMArena Creative Writing | 1147 | — |
| LMArena Multi-Turn | 1118 | — |
Frequently asked questions
Is Gemma 2 2b IT better than GPT-5.5 Pro?
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 33.1 on the Noometry Index.
How many benchmarks do Gemma 2 2b IT and GPT-5.5 Pro share?
0 benchmarks have published results for both models. Gemma 2 2b IT has 17 scored results on Noometry and GPT-5.5 Pro has 14.