# Gemma 3 1B vs GPT-5 Mini

> GPT-5 Mini is the stronger model overall, scoring 41.8 to 21.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-3-1b-vs-gpt-5-mini
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. Gemma 3 1B scores higher in 0 categories and GPT-5 Mini in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5 Mini leads 45.6 to 7.0.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.1% for Gemma 3 1B and 86.7% for GPT-5 Mini.
- Gemma 3 1B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 3 1B | GPT-5 Mini |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 21.1 | 41.8 |
| Rank | 353 | 128 |
| Context | — | 400K |
| Input $/M | — | $0.25 |
| Output $/M | — | $2 |
| Weights | Open | Proprietary |

## Coding

- Gemma 3 1B: —
- GPT-5 Mini: 40.1 (#146)

| Benchmark | Gemma 3 1B | GPT-5 Mini |
|---|---|---|
| SWE-bench Verified | — | 64.7% |
| SWE-bench Verified (bash only) | — | 59.8% |
| SWE-bench Multilingual | — | 39.7% |
| SciCode | — | 39.2% |
| WeirdML | — | 52.7% |
| LMArena Coding | — | 1406 |
| ALE-Bench | — | 799.77 |
| AlgoTune | — | 1.38 |

## Agentic & Tool Use

- Gemma 3 1B: 13.7 (#152)
- GPT-5 Mini: 31.1 (#70)

| Benchmark | Gemma 3 1B | GPT-5 Mini |
|---|---|---|
| Berkeley Function Calling Leaderboard | 7.2% | 55.5% |
| Terminal-Bench | — | 34.8% |
| Vending-Bench 2 | — | -31.18 |

## Reasoning

- Gemma 3 1B: 19.2 (#264)
- GPT-5 Mini: 23.9 (#168)

| Benchmark | Gemma 3 1B | GPT-5 Mini |
|---|---|---|
| Chess Puzzles | 0% | 30% |
| ARC-AGI-2 | — | 4.4% |
| Kagi LLM Benchmark | — | 70.3% |
| ARC-AGI-1 | — | 54.3% |
| CritPt | — | 0% |
| EnigmaEval | — | 8.2% |
| LMArena Hard Prompts | — | 1380 |
| Mystery Game Puzzles | — | 10% |
| DTBench | — | 80.5% |
| LMCA | — | 34.2% |
| Epoch Capabilities Index | — | 145.52 |
| ForecastBench | — | 61 |

## Math

- Gemma 3 1B: 10.2 (#316)
- GPT-5 Mini: 46.7 (#69)

| Benchmark | Gemma 3 1B | GPT-5 Mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.1% | 86.7% |
| FrontierMath (Tiers 1-3) | — | 46.7% |
| FrontierMath Tier 4 | — | 12.2% |
| ProofBench | — | 9% |
| Omni-MATH | — | 72.2% |
| LMArena Math | — | 1378 |
| MATH Level 5 | — | 97.8% |
| FrontierMath (Feb 2025 set) | — | 27.2% |
| FrontierMath Tier 4 (v1) | — | 6.3% |

## Knowledge

- Gemma 3 1B: 7.0 (#314)
- GPT-5 Mini: 45.6 (#86)

| Benchmark | Gemma 3 1B | GPT-5 Mini |
|---|---|---|
| GPQA Diamond | 19.9% | 75% |
| Humanity's Last Exam | — | 19.4% |
| SimpleQA Verified | — | 21.6% |
| MMLU-Pro | — | 83.5% |
| Confabulations | — | 13.3% |
| Vectara Hallucination Rate | — | 12.9% |
| GPQA (HELM) | — | 75.6% |
| LMArena Expert | — | 1379 |

## Multimodal

- Gemma 3 1B: —
- GPT-5 Mini: 35.6 (#85)

| Benchmark | Gemma 3 1B | GPT-5 Mini |
|---|---|---|
| LMArena Vision | — | 1202 |
| VPCT | — | 40.2% |

## Multilingual

- Gemma 3 1B: —
- GPT-5 Mini: 48.9 (#137)

| Benchmark | Gemma 3 1B | GPT-5 Mini |
|---|---|---|
| LMArena Non-English | — | 1363 |
| LMArena Chinese | — | 1385 |
| LMArena French | — | 1386 |
| LMArena German | — | 1366 |
| LMArena Japanese | — | 1341 |
| LMArena Korean | — | 1308 |
| LMArena Russian | — | 1362 |
| LMArena Spanish | — | 1355 |

## Instruction Following

- Gemma 3 1B: —
- GPT-5 Mini: 76.2 (#46)

| Benchmark | Gemma 3 1B | GPT-5 Mini |
|---|---|---|
| IFEval | — | 92.7% |
| LMArena Instruction Following | — | 1357 |

## Long Context

- Gemma 3 1B: —
- GPT-5 Mini: 41.9 (#132)

| Benchmark | Gemma 3 1B | GPT-5 Mini |
|---|---|---|
| Fiction.LiveBench | — | 69.4% |
| LMArena Longer Query | — | 1355 |

## Writing & Preference

- Gemma 3 1B: —
- GPT-5 Mini: 55.2 (#148)

| Benchmark | Gemma 3 1B | GPT-5 Mini |
|---|---|---|
| LMArena Text | — | 1373 |
| LMArena Creative Writing | — | 1325 |
| Short-Story Creative Writing | — | 83.1% |
| EQ-Bench Creative Writing | — | 1313 |
| WildBench | — | 85.5% |
| LMArena Multi-Turn | — | 1363 |

## FAQ

### Is Gemma 3 1B better than GPT-5 Mini?

GPT-5 Mini is the stronger model overall, scoring 41.8 to 21.1 on the Noometry Index.

### How many benchmarks do Gemma 3 1B and GPT-5 Mini share?

4 benchmarks have published results for both models. Gemma 3 1B has 4 scored results on Noometry and GPT-5 Mini has 60.