# Gemma 3 1B vs o3-pro

> o3-pro is the stronger model overall, scoring 42.7 to 20.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-3-1b-vs-o3-pro
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where o3-pro leads 29.0 to 7.1.
- Gemma 3 1B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 3 1B | o3-pro |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 20.7 | 42.7 |
| Rank | 348 | 94 |
| Context | — | 200K |
| Input $/M | — | $20 |
| Output $/M | — | $80 |
| Weights | Open | Proprietary |

## Coding

- Gemma 3 1B: —
- o3-pro: 55.1 (#22)

| Benchmark | Gemma 3 1B | o3-pro |
|---|---|---|
| Aider Polyglot | — | 84.9% |
| WeirdML | — | 58.2% |

## Agentic & Tool Use

- Gemma 3 1B: 13.5 (#144)
- o3-pro: —

| Benchmark | Gemma 3 1B | o3-pro |
|---|---|---|
| Berkeley Function Calling Leaderboard | 7.2% | — |

## Reasoning

- Gemma 3 1B: 18.5 (#260)
- o3-pro: 24.1 (#152)

| Benchmark | Gemma 3 1B | o3-pro |
|---|---|---|
| ARC-AGI-2 | — | 4.9% |
| Kagi LLM Benchmark | — | 72.1% |
| ARC-AGI-1 | — | 59.3% |
| Chess Puzzles | 0% | — |
| DTBench | — | 86.9% |
| LMCA | — | 38.5% |
| Epoch Capabilities Index | — | 147.43 |

## Math

- Gemma 3 1B: 9.6 (#310)
- o3-pro: —

| Benchmark | Gemma 3 1B | o3-pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.1% | — |

## Knowledge

- Gemma 3 1B: 7.1 (#309)
- o3-pro: 29.0 (#234)

| Benchmark | Gemma 3 1B | o3-pro |
|---|---|---|
| GPQA Diamond | 19.9% | — |
| Confabulations | — | 14.2% |
| Vectara Hallucination Rate | — | 23.3% |

## Long Context

- Gemma 3 1B: —
- o3-pro: 72.1 (#1)

| Benchmark | Gemma 3 1B | o3-pro |
|---|---|---|
| Fiction.LiveBench | — | 97.2% |

## Writing & Preference

- Gemma 3 1B: —
- o3-pro: 57.1 (#128)

| Benchmark | Gemma 3 1B | o3-pro |
|---|---|---|
| Short-Story Creative Writing | — | 84.4% |

## FAQ

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

o3-pro is the stronger model overall, scoring 42.7 to 20.7 on the Noometry Index.

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

0 benchmarks have published results for both models. Gemma 3 1B has 4 scored results on Noometry and o3-pro has 12.