# Gemma 3n E4b IT vs GPT-5.5 Pro

> GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 36.7 on the Noometry Index. Gemma 3n E4b IT costs 900× less per token, which makes it the better buy when GPT-5.5 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemma-3n-e4b-it-vs-gpt-5-5-pro
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where GPT-5.5 Pro leads 73.6 to 19.2.
- Gemma 3n E4b IT is cheaper at $0.06 / $0.12 per million input/output tokens, against $30 / $180 for GPT-5.5 Pro.
- GPT-5.5 Pro accepts more context: 1.05M tokens versus 33K.
- Gemma 3n E4b IT has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 3n E4b IT | GPT-5.5 Pro |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 36.7 | 64.3 |
| Rank | 203 | 7 |
| Context | 33K | 1.05M |
| Input $/M | $0.06 | $30 |
| Output $/M | $0.12 | $180 |
| Weights | Open | Proprietary |

## Coding

- Gemma 3n E4b IT: 36.4 (#193)
- GPT-5.5 Pro: —

| Benchmark | Gemma 3n E4b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Coding | 1269 | — |

## Reasoning

- Gemma 3n E4b IT: 19.2 (#239)
- GPT-5.5 Pro: 73.6 (#7)

| Benchmark | Gemma 3n E4b IT | GPT-5.5 Pro |
|---|---|---|
| ARC-AGI-2 | — | 84.6% |
| SimpleBench | — | 76.9% |
| Kagi LLM Benchmark | 31.5% | — |
| ARC-AGI-1 | — | 96.5% |
| CritPt | — | 30.6% |
| Chess Puzzles | — | 64% |
| LMArena Hard Prompts | 1284 | — |
| DTBench | — | 96% |
| LMCA | — | 53.9% |
| Epoch Capabilities Index | — | 162.45 |

## Math

- Gemma 3n E4b IT: 32.5 (#186)
- GPT-5.5 Pro: 83.8 (#8)

| Benchmark | Gemma 3n E4b IT | GPT-5.5 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 87.7% |
| FrontierMath Tier 4 | — | 78% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| LMArena Math | 1251 | — |
| FrontierMath (Feb 2025 set) | — | 52.4% |
| FrontierMath Tier 4 (v1) | — | 39.6% |

## Knowledge

- Gemma 3n E4b IT: 33.6 (#193)
- GPT-5.5 Pro: 64.2 (#17)

| Benchmark | Gemma 3n E4b IT | GPT-5.5 Pro |
|---|---|---|
| GPQA Diamond | — | 93.9% |
| LMArena Expert | 1245 | — |

## Multilingual

- Gemma 3n E4b IT: 43.5 (#179)
- GPT-5.5 Pro: —

| Benchmark | Gemma 3n E4b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Non-English | 1285 | — |
| LMArena Chinese | 1310 | — |
| LMArena French | 1330 | — |
| LMArena German | 1312 | — |
| LMArena Japanese | 1274 | — |
| LMArena Korean | 1259 | — |
| LMArena Russian | 1288 | — |
| LMArena Spanish | 1305 | — |

## Instruction Following

- Gemma 3n E4b IT: 66.3 (#205)
- GPT-5.5 Pro: —

| Benchmark | Gemma 3n E4b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Instruction Following | 1255 | — |

## Long Context

- Gemma 3n E4b IT: 38.8 (#185)
- GPT-5.5 Pro: —

| Benchmark | Gemma 3n E4b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Longer Query | 1277 | — |

## Writing & Preference

- Gemma 3n E4b IT: 50.3 (#181)
- GPT-5.5 Pro: —

| Benchmark | Gemma 3n E4b IT | GPT-5.5 Pro |
|---|---|---|
| LMArena Text | 1306 | — |
| LMArena Creative Writing | 1287 | — |
| LMArena Multi-Turn | 1276 | — |

## FAQ

### Is Gemma 3n E4b IT better than GPT-5.5 Pro?

GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 36.7 on the Noometry Index. Gemma 3n E4b IT costs 900× less per token, which makes it the better buy when GPT-5.5 Pro's lead doesn't matter for your workload.

### Which is cheaper, Gemma 3n E4b IT or GPT-5.5 Pro?

Gemma 3n E4b IT is cheaper. It lists at $0.06 per million input tokens and $0.12 per million output tokens; GPT-5.5 Pro lists at $30 and $180.

### Which has the bigger context window?

GPT-5.5 Pro does, with 1.05M tokens against 33K.

### How many benchmarks do Gemma 3n E4b IT and GPT-5.5 Pro share?

0 benchmarks have published results for both models. Gemma 3n E4b IT has 18 scored results on Noometry and GPT-5.5 Pro has 14.