# Gemma 3 4B vs GPT-5.5 Instant

> GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 27.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-3-4b-vs-gpt-5-5-instant
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Gemma 3 4B scores higher in 0 categories and GPT-5.5 Instant in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5.5 Instant leads 48.9 to 11.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 7.5% for Gemma 3 4B and 68.1% for GPT-5.5 Instant.
- Gemma 3 4B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 3 4B | GPT-5.5 Instant |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 27.9 | 42.5 |
| Rank | 320 | 99 |
| Context | 131K | — |
| Input $/M | $0.04 | — |
| Output $/M | $0.08 | — |
| Weights | Open | Proprietary |

## Coding

- Gemma 3 4B: 35.3 (#214)
- GPT-5.5 Instant: 43.7 (#73)

| Benchmark | Gemma 3 4B | GPT-5.5 Instant |
|---|---|---|
| LMArena Coding | 1230 | 1433 |
| SciCode | — | 48.6% |

## Agentic & Tool Use

- Gemma 3 4B: 20.7 (#134)
- GPT-5.5 Instant: —

| Benchmark | Gemma 3 4B | GPT-5.5 Instant |
|---|---|---|
| Berkeley Function Calling Leaderboard | 19.6% | — |

## Reasoning

- Gemma 3 4B: 12.7 (#330)
- GPT-5.5 Instant: 24.2 (#149)

| Benchmark | Gemma 3 4B | GPT-5.5 Instant |
|---|---|---|
| Chess Puzzles | 0% | 12% |
| LMArena Hard Prompts | 1253 | 1426 |
| Epoch Capabilities Index | 116.02 | 142.48 |
| Kagi LLM Benchmark | 25.2% | — |
| CritPt | — | 0% |
| DTBench | 50.9% | — |
| LMCA | 2.8% | — |

## Math

- Gemma 3 4B: 15.8 (#286)
- GPT-5.5 Instant: 26.1 (#241)

| Benchmark | Gemma 3 4B | GPT-5.5 Instant |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 7.5% | 68.1% |
| LMArena Math | 1239 | 1420 |
| FrontierMath (Tiers 1-3) | — | 26.3% |
| FrontierMath Tier 4 | — | 2.4% |

## Knowledge

- Gemma 3 4B: 11.8 (#294)
- GPT-5.5 Instant: 48.9 (#68)

| Benchmark | Gemma 3 4B | GPT-5.5 Instant |
|---|---|---|
| GPQA Diamond | 23.2% | 82.5% |
| LMArena Expert | 1223 | 1409 |
| Vectara Hallucination Rate | 6.4% | — |

## Multimodal

- Gemma 3 4B: —
- GPT-5.5 Instant: 39.3 (#48)

| Benchmark | Gemma 3 4B | GPT-5.5 Instant |
|---|---|---|
| LMArena Vision | — | 1250 |
| LMArena Document | — | 1403 |

## Multilingual

- Gemma 3 4B: 42.7 (#189)
- GPT-5.5 Instant: 53.0 (#76)

| Benchmark | Gemma 3 4B | GPT-5.5 Instant |
|---|---|---|
| LMArena Non-English | 1273 | 1417 |
| LMArena German | 1281 | 1410 |
| LMArena Russian | 1294 | 1430 |
| LMArena Chinese | — | 1457 |
| LMArena French | — | 1428 |
| LMArena Japanese | — | 1408 |
| LMArena Korean | — | 1393 |
| LMArena Spanish | — | 1430 |

## Instruction Following

- Gemma 3 4B: 65.4 (#219)
- GPT-5.5 Instant: 74.4 (#94)

| Benchmark | Gemma 3 4B | GPT-5.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1239 | 1407 |

## Long Context

- Gemma 3 4B: 38.6 (#189)
- GPT-5.5 Instant: 43.4 (#92)

| Benchmark | Gemma 3 4B | GPT-5.5 Instant |
|---|---|---|
| LMArena Longer Query | 1274 | 1422 |

## Writing & Preference

- Gemma 3 4B: 42.2 (#234)
- GPT-5.5 Instant: 62.0 (#81)

| Benchmark | Gemma 3 4B | GPT-5.5 Instant |
|---|---|---|
| LMArena Text | 1291 | 1419 |
| LMArena Creative Writing | 1270 | 1420 |
| LMArena Multi-Turn | 1255 | 1434 |
| EQ-Bench Creative Writing | 1068 | — |

## FAQ

### Is Gemma 3 4B better than GPT-5.5 Instant?

GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 27.9 on the Noometry Index.

### Is Gemma 3 4B or GPT-5.5 Instant better for coding?

GPT-5.5 Instant scores higher on coding benchmarks: 43.7 versus 35.3 in the Noometry coding category.

### How many benchmarks do Gemma 3 4B and GPT-5.5 Instant share?

16 benchmarks have published results for both models. Gemma 3 4B has 22 scored results on Noometry and GPT-5.5 Instant has 27.