Model comparison
Gemma 1.1 2b IT vs GPT-5.5 Pro
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 28.8 on the Noometry Index.
Last verified . 0 shared benchmarks.
GoogleSummary
- The widest gap is in math, where GPT-5.5 Pro leads 83.8 to 28.3.
- Gemma 1.1 2b IT has downloadable open weights; the other is API-only.
Side by side
| Gemma 1.1 2b IT | GPT-5.5 Pro | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 28.8 | 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 | 16 | 14 |
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Category by category
Coding Not comparable
Gemma 1.1 2b IT: 29.6 (#294), GPT-5.5 Pro: —
| Benchmark | Gemma 1.1 2b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Coding | 1034 | — |
| HumanEval+ | 17.7% | — |
| MBPP+ | 23.3% | — |
Reasoning GPT-5.5 Pro leads
Gemma 1.1 2b IT: 18.2 (#268), GPT-5.5 Pro: 73.6 (#7)
| Benchmark | Gemma 1.1 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 | 1005 | — |
| DTBench | — | 96% |
| LMCA | — | 53.9% |
| Epoch Capabilities Index | — | 162.45 |
Math GPT-5.5 Pro leads
Gemma 1.1 2b IT: 28.3 (#230), GPT-5.5 Pro: 83.8 (#8)
| Benchmark | Gemma 1.1 2b IT | GPT-5.5 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 87.7% |
| FrontierMath Tier 4 | — | 78% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| LMArena Math | 1047 | — |
| FrontierMath (Feb 2025 set) | — | 52.4% |
| FrontierMath Tier 4 (v1) | — | 39.6% |
Knowledge GPT-5.5 Pro leads
Gemma 1.1 2b IT: 26.0 (#255), GPT-5.5 Pro: 64.2 (#17)
| Benchmark | Gemma 1.1 2b IT | GPT-5.5 Pro |
|---|---|---|
| GPQA Diamond | — | 93.9% |
| LMArena Expert | 970 | — |
Multilingual Not comparable
Gemma 1.1 2b IT: 24.7 (#284), GPT-5.5 Pro: —
| Benchmark | Gemma 1.1 2b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Non-English | 988 | — |
| LMArena Chinese | 1011 | — |
| LMArena German | 944 | — |
| LMArena Korean | 899 | — |
| LMArena Russian | 990 | — |
Instruction Following Not comparable
Gemma 1.1 2b IT: 50.1 (#294), GPT-5.5 Pro: —
| Benchmark | Gemma 1.1 2b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Instruction Following | 992 | — |
Long Context Not comparable
Gemma 1.1 2b IT: 30.5 (#281), GPT-5.5 Pro: —
| Benchmark | Gemma 1.1 2b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Longer Query | 1003 | — |
Writing & Preference Not comparable
Gemma 1.1 2b IT: 25.3 (#301), GPT-5.5 Pro: —
| Benchmark | Gemma 1.1 2b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Text | 1022 | — |
| LMArena Creative Writing | 998 | — |
| LMArena Multi-Turn | 958 | — |
Frequently asked questions
Is Gemma 1.1 2b IT better than GPT-5.5 Pro?
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 28.8 on the Noometry Index.
How many benchmarks do Gemma 1.1 2b IT and GPT-5.5 Pro share?
0 benchmarks have published results for both models. Gemma 1.1 2b IT has 16 scored results on Noometry and GPT-5.5 Pro has 14.