# Gemma 3 1B vs Gemma 3 27B

> Gemma 3 27B is the stronger model overall, scoring 30.8 to 21.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-3-1b-vs-gemma-3-27b
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. Gemma 3 1B scores higher in 1 category and Gemma 3 27B in 3 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemma 3 27B leads 25.5 to 7.0.
- The biggest single-benchmark swing is GPQA Diamond: 19.9% for Gemma 3 1B and 47.7% for Gemma 3 27B.

## Snapshot

| | Gemma 3 1B | Gemma 3 27B |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 21.1 | 30.8 |
| Rank | 353 | 284 |
| Context | — | 131K |
| Input $/M | — | $0.08 |
| Output $/M | — | $0.16 |
| Weights | Open | Open |

## Coding

- Gemma 3 1B: —
- Gemma 3 27B: 22.5 (#334)

| Benchmark | Gemma 3 1B | Gemma 3 27B |
|---|---|---|
| Aider Polyglot | — | 4.9% |
| SciCode | — | 21.2% |
| LiveBench Coding | — | 39.9% |
| LMArena Coding | — | 1322 |

## Agentic & Tool Use

- Gemma 3 1B: 13.7 (#152)
- Gemma 3 27B: 25.1 (#110)

| Benchmark | Gemma 3 1B | Gemma 3 27B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 7.2% | 29.5% |

## Reasoning

- Gemma 3 1B: 19.2 (#264)
- Gemma 3 27B: 16.7 (#301)

| Benchmark | Gemma 3 1B | Gemma 3 27B |
|---|---|---|
| Chess Puzzles | 0% | 0% |
| Kagi LLM Benchmark | — | 40.4% |
| CritPt | — | 0% |
| LiveBench Reasoning | — | 43.8% |
| LMArena Hard Prompts | — | 1340 |
| DTBench | — | 52.5% |
| LiveBench Data Analysis | — | 51.5% |
| LMCA | — | 12.3% |
| Epoch Capabilities Index | — | 130.04 |
| LiveBench | — | 50% |

## Math

- Gemma 3 1B: 10.2 (#316)
- Gemma 3 27B: 25.9 (#265)

| Benchmark | Gemma 3 1B | Gemma 3 27B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.1% | 22.5% |
| LiveBench Math | — | 55.4% |
| LMArena Math | — | 1312 |
| MATH Level 5 | — | 74% |

## Knowledge

- Gemma 3 1B: 7.0 (#314)
- Gemma 3 27B: 25.5 (#261)

| Benchmark | Gemma 3 1B | Gemma 3 27B |
|---|---|---|
| GPQA Diamond | 19.9% | 47.7% |
| Confabulations | — | 40.3% |
| Vectara Hallucination Rate | — | 7.4% |
| LMArena Expert | — | 1304 |

## Multimodal

- Gemma 3 1B: —
- Gemma 3 27B: 32.6 (#100)

| Benchmark | Gemma 3 1B | Gemma 3 27B |
|---|---|---|
| LMArena Vision | — | 1164 |
| GeoBench | — | 52% |

## Multilingual

- Gemma 3 1B: —
- Gemma 3 27B: 46.9 (#155)

| Benchmark | Gemma 3 1B | Gemma 3 27B |
|---|---|---|
| LMArena Non-English | — | 1334 |
| LMArena Chinese | — | 1346 |
| LMArena French | — | 1368 |
| LMArena German | — | 1362 |
| LMArena Japanese | — | 1287 |
| LMArena Korean | — | 1308 |
| LMArena Russian | — | 1349 |
| LMArena Spanish | — | 1349 |

## Instruction Following

- Gemma 3 1B: —
- Gemma 3 27B: 70.6 (#160)

| Benchmark | Gemma 3 1B | Gemma 3 27B |
|---|---|---|
| LiveBench Instruction Following | — | 74.9% |
| LMArena Instruction Following | — | 1321 |

## Long Context

- Gemma 3 1B: —
- Gemma 3 27B: 27.6 (#293)

| Benchmark | Gemma 3 1B | Gemma 3 27B |
|---|---|---|
| Fiction.LiveBench | — | 33.3% |
| LMArena Longer Query | — | 1333 |

## Writing & Preference

- Gemma 3 1B: —
- Gemma 3 27B: 52.5 (#168)

| Benchmark | Gemma 3 1B | Gemma 3 27B |
|---|---|---|
| LMArena Text | — | 1358 |
| LMArena Creative Writing | — | 1346 |
| Short-Story Creative Writing | — | 79.9% |
| EQ-Bench Creative Writing | — | 1266 |
| LMArena Multi-Turn | — | 1345 |
| LiveBench Language | — | 34.6% |

## FAQ

### Is Gemma 3 1B better than Gemma 3 27B?

Gemma 3 27B is the stronger model overall, scoring 30.8 to 21.1 on the Noometry Index.

### How many benchmarks do Gemma 3 1B and Gemma 3 27B share?

4 benchmarks have published results for both models. Gemma 3 1B has 4 scored results on Noometry and Gemma 3 27B has 43.