# Gemma 3 1B vs o3-mini

> o3-mini is the stronger model overall, scoring 36.7 to 21.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-3-1b-vs-o3-mini
- Last updated: 2026-10-11
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Gemma 3 1B scores higher in 1 category and o3-mini in 3 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where o3-mini leads 38.3 to 7.0.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.1% for Gemma 3 1B and 76.9% for o3-mini.
- Gemma 3 1B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 3 1B | o3-mini |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 21.1 | 36.7 |
| Rank | 353 | 212 |
| Context | — | 200K |
| Input $/M | — | $1.10 |
| Output $/M | — | $4.40 |
| Weights | Open | Proprietary |

## Coding

- Gemma 3 1B: —
- o3-mini: 40.8 (#132)

| Benchmark | Gemma 3 1B | o3-mini |
|---|---|---|
| Aider Polyglot | — | 60.4% |
| SciCode | — | 39.8% |
| GSO | — | 1.3% |
| WeirdML | — | 43.7% |
| LiveBench Coding | — | 82.7% |
| LMArena Coding | — | 1378 |
| CadEval | — | 54% |

## Agentic & Tool Use

- Gemma 3 1B: 13.7 (#152)
- o3-mini: 29.6 (#84)

| Benchmark | Gemma 3 1B | o3-mini |
|---|---|---|
| Berkeley Function Calling Leaderboard | 7.2% | — |
| Cybench | — | 22.5% |

## Reasoning

- Gemma 3 1B: 19.2 (#264)
- o3-mini: 16.3 (#305)

| Benchmark | Gemma 3 1B | o3-mini |
|---|---|---|
| Chess Puzzles | 0% | 17% |
| ARC-AGI-2 | — | 3% |
| SimpleBench | — | 22.8% |
| ARC-AGI-1 | — | 34.5% |
| CritPt | — | 0.3% |
| LiveBench Reasoning | — | 89.6% |
| LMArena Hard Prompts | — | 1366 |
| Mystery Game Puzzles | — | 7% |
| DTBench | — | 68.8% |
| LiveBench Data Analysis | — | 70.6% |
| LMCA | — | 19% |
| Epoch Capabilities Index | — | 140.34 |
| ForecastBench | — | 59.6 |
| LiveBench | — | 75.9% |

## Math

- Gemma 3 1B: 10.2 (#316)
- o3-mini: 28.1 (#244)

| Benchmark | Gemma 3 1B | o3-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.1% | 76.9% |
| FrontierMath (Tiers 1-3) | — | 18.6% |
| FrontierMath Tier 4 | — | 0% |
| LiveBench Math | — | 77.3% |
| LMArena Math | — | 1396 |
| MATH Level 5 | — | 96.5% |
| FrontierMath (Feb 2025 set) | — | 12.4% |
| FrontierMath Tier 4 (v1) | — | 4.2% |

## Knowledge

- Gemma 3 1B: 7.0 (#314)
- o3-mini: 38.3 (#146)

| Benchmark | Gemma 3 1B | o3-mini |
|---|---|---|
| GPQA Diamond | 19.9% | 77% |
| SimpleQA Verified | — | 15.3% |
| Confabulations | — | 17.9% |
| LMArena Expert | — | 1364 |

## Multilingual

- Gemma 3 1B: —
- o3-mini: 45.7 (#164)

| Benchmark | Gemma 3 1B | o3-mini |
|---|---|---|
| LMArena Non-English | — | 1319 |
| LMArena Chinese | — | 1379 |
| LMArena French | — | 1334 |
| LMArena German | — | 1303 |
| LMArena Japanese | — | 1286 |
| LMArena Korean | — | 1314 |
| LMArena Russian | — | 1304 |
| LMArena Spanish | — | 1321 |

## Instruction Following

- Gemma 3 1B: —
- o3-mini: 75.1 (#72)

| Benchmark | Gemma 3 1B | o3-mini |
|---|---|---|
| LiveBench Instruction Following | — | 84.4% |
| LMArena Instruction Following | — | 1337 |

## Long Context

- Gemma 3 1B: —
- o3-mini: 33.8 (#256)

| Benchmark | Gemma 3 1B | o3-mini |
|---|---|---|
| Fiction.LiveBench | — | 50% |
| LMArena Longer Query | — | 1343 |

## Writing & Preference

- Gemma 3 1B: —
- o3-mini: 50.3 (#182)

| Benchmark | Gemma 3 1B | o3-mini |
|---|---|---|
| LMArena Text | — | 1337 |
| LMArena Creative Writing | — | 1286 |
| Short-Story Creative Writing | — | 61.7% |
| LMArena Multi-Turn | — | 1320 |
| LiveBench Language | — | 50.7% |

## FAQ

### Is Gemma 3 1B better than o3-mini?

o3-mini is the stronger model overall, scoring 36.7 to 21.1 on the Noometry Index.

### How many benchmarks do Gemma 3 1B and o3-mini share?

3 benchmarks have published results for both models. Gemma 3 1B has 4 scored results on Noometry and o3-mini has 51.