# Gemini 1.5 Pro (May 2024) vs Gemma 4 31B IT

> Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 31.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-5-pro-vs-gemma-4-31b-it
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Gemini 1.5 Pro (May 2024) scores higher in 0 categories and Gemma 4 31B IT in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemma 4 31B IT leads 41.3 to 24.4.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 23.1% for Gemini 1.5 Pro (May 2024) and 73.3% for Gemma 4 31B IT.
- Gemma 4 31B IT has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 1.5 Pro (May 2024) | Gemma 4 31B IT |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 31.9 | 43.2 |
| Rank | 253 | 85 |
| Context | — | 262K |
| Input $/M | — | $0.09 |
| Output $/M | — | $0.34 |
| Weights | Proprietary | Open |

## Coding

- Gemini 1.5 Pro (May 2024): 33.8 (#239)
- Gemma 4 31B IT: 41.9 (#98)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemma 4 31B IT |
|---|---|---|
| WeirdML | 22.2% | 52.3% |
| LMArena Coding | 1294 | 1459 |
| LMArena WebDev | — | 1364 |
| SciCode | — | 43.4% |
| BigCodeBench Instruct | 43.8% | — |
| BigCodeBench Complete | 57.5% | — |
| CadEval | 34% | — |
| ALE-Bench | — | 925.5 |
| HumanEval+ | 79.3% | — |
| MBPP+ | 74.6% | — |

## Agentic & Tool Use

- Gemini 1.5 Pro (May 2024): 17.8 (#137)
- Gemma 4 31B IT: —

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemma 4 31B IT |
|---|---|---|
| TheAgentCompany | 3.4% | — |
| Cybench | 7.5% | — |
| BALROG | 21% | — |

## Reasoning

- Gemini 1.5 Pro (May 2024): 12.3 (#332)
- Gemma 4 31B IT: 26.4 (#119)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemma 4 31B IT |
|---|---|---|
| LMArena Hard Prompts | 1296 | 1448 |
| DTBench | 59% | 82.7% |
| Epoch Capabilities Index | 131.73 | 142.74 |
| ARC-AGI-2 | 0.8% | — |
| SimpleBench | 27.1% | — |
| Kagi LLM Benchmark | — | 63.5% |
| NYT Connections (extended) | — | 70.6% |
| CritPt | — | 1.4% |
| Chess Puzzles | — | 5% |
| Thematic Generalization | — | 53% |
| LMCA | — | 39.3% |
| Surface Evolver Bench | — | 30.6% |
| BIG-Bench Hard | 89.2% | — |
| ForecastBench | 58.4 | — |

## Math

- Gemini 1.5 Pro (May 2024): 24.4 (#260)
- Gemma 4 31B IT: 41.3 (#72)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemma 4 31B IT |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 23.1% | 73.3% |
| LMArena Math | 1315 | 1464 |
| Omni-MATH | 36.4% | — |
| MATH Level 5 | 70.4% | — |

## Knowledge

- Gemini 1.5 Pro (May 2024): 29.3 (#228)
- Gemma 4 31B IT: 37.9 (#141)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemma 4 31B IT |
|---|---|---|
| GPQA Diamond | 57.2% | 75.8% |
| LMArena Expert | 1279 | 1465 |
| Humanity's Last Exam | 4.6% | — |
| SimpleQA Verified | — | 10.4% |
| MMLU-Pro | 73.7% | — |
| Confabulations | 13.5% | — |
| Vectara Hallucination Rate | — | 7.4% |
| GPQA (HELM) | 53.4% | — |
| MMLU | 86.9% | — |

## Multimodal

- Gemini 1.5 Pro (May 2024): 36.2 (#72)
- Gemma 4 31B IT: 41.0 (#32)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemma 4 31B IT |
|---|---|---|
| LMArena Vision | 1161 | 1278 |
| Video-MME | 75% | — |
| LMArena Document | — | 1425 |

## Multilingual

- Gemini 1.5 Pro (May 2024): 45.5 (#169)
- Gemma 4 31B IT: 54.0 (#52)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemma 4 31B IT |
|---|---|---|
| LMArena Non-English | 1312 | 1431 |
| LMArena Chinese | 1331 | 1478 |
| LMArena French | 1301 | 1436 |
| LMArena Russian | 1320 | 1462 |
| LMArena Spanish | 1310 | 1443 |
| LMArena German | 1286 | — |
| LMArena Japanese | 1292 | — |
| LMArena Korean | 1298 | — |

## Instruction Following

- Gemini 1.5 Pro (May 2024): 68.8 (#180)
- Gemma 4 31B IT: 75.6 (#58)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemma 4 31B IT |
|---|---|---|
| LMArena Instruction Following | 1297 | 1433 |
| IFEval | 83.7% | — |

## Long Context

- Gemini 1.5 Pro (May 2024): 39.7 (#164)
- Gemma 4 31B IT: 44.2 (#67)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemma 4 31B IT |
|---|---|---|
| LMArena Longer Query | 1308 | 1446 |

## Writing & Preference

- Gemini 1.5 Pro (May 2024): 52.5 (#167)
- Gemma 4 31B IT: 60.7 (#92)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemma 4 31B IT |
|---|---|---|
| LMArena Text | 1319 | 1443 |
| LMArena Creative Writing | 1333 | 1416 |
| LMArena Multi-Turn | 1296 | 1452 |
| EQ-Bench Creative Writing | — | 1368 |
| WildBench | 81.3% | — |
| EQ-Bench 4 | — | 1120 |

## FAQ

### Is Gemini 1.5 Pro (May 2024) better than Gemma 4 31B IT?

Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 31.9 on the Noometry Index.

### Is Gemini 1.5 Pro (May 2024) or Gemma 4 31B IT better for coding?

Gemma 4 31B IT scores higher on coding benchmarks: 41.9 versus 33.8 in the Noometry coding category.

### How many benchmarks do Gemini 1.5 Pro (May 2024) and Gemma 4 31B IT share?

20 benchmarks have published results for both models. Gemini 1.5 Pro (May 2024) has 45 scored results on Noometry and Gemma 4 31B IT has 35.