Model comparison
Gemma 3 1B vs GPT-5.5 Pro
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 20.7 on the Noometry Index.
Last verified . 3 shared benchmarks.
GoogleSummary
- They share 3 benchmarks with published results for both. Gemma 3 1B scores higher in 0 categories and GPT-5.5 Pro in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.5 Pro leads 83.8 to 9.6.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.1% for Gemma 3 1B and 100% for GPT-5.5 Pro.
- Gemma 3 1B has downloadable open weights; the other is API-only.
Side by side
| Gemma 3 1B | GPT-5.5 Pro | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 20.7 | 64.3 |
| Released | 2025-03-12 | 2026-04-23 |
| Weights | Open | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 128K |
| Input $ / M tokens | — | $30 |
| Output $ / M tokens | — | $180 |
| Results tracked | 4 | 14 |
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Category by category
Agentic & Tool Use Not comparable
Gemma 3 1B: 13.5 (#144), GPT-5.5 Pro: —
| Benchmark | Gemma 3 1B | GPT-5.5 Pro |
|---|---|---|
| Berkeley Function Calling Leaderboard | 7.2% | — |
Reasoning GPT-5.5 Pro leads
Gemma 3 1B: 18.5 (#260), GPT-5.5 Pro: 73.6 (#7)
| Benchmark | Gemma 3 1B | GPT-5.5 Pro |
|---|---|---|
| Chess Puzzles | 0% | 64% |
| ARC-AGI-2 | — | 84.6% |
| SimpleBench | — | 76.9% |
| ARC-AGI-1 | — | 96.5% |
| CritPt | — | 30.6% |
| DTBench | — | 96% |
| LMCA | — | 53.9% |
| Epoch Capabilities Index | — | 162.45 |
Math GPT-5.5 Pro leads
Gemma 3 1B: 9.6 (#310), GPT-5.5 Pro: 83.8 (#8)
| Benchmark | Gemma 3 1B | GPT-5.5 Pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.1% | 100% |
| FrontierMath (Tiers 1-3) | — | 87.7% |
| FrontierMath Tier 4 | — | 78% |
| FrontierMath (Feb 2025 set) | — | 52.4% |
| FrontierMath Tier 4 (v1) | — | 39.6% |
Knowledge GPT-5.5 Pro leads
Gemma 3 1B: 7.1 (#309), GPT-5.5 Pro: 64.2 (#17)
| Benchmark | Gemma 3 1B | GPT-5.5 Pro |
|---|---|---|
| GPQA Diamond | 19.9% | 93.9% |
Frequently asked questions
Is Gemma 3 1B better than GPT-5.5 Pro?
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 20.7 on the Noometry Index.
How many benchmarks do Gemma 3 1B and GPT-5.5 Pro share?
3 benchmarks have published results for both models. Gemma 3 1B has 4 scored results on Noometry and GPT-5.5 Pro has 14.