# Gemini 2.5 Flash-Lite vs Gemma 4 31B IT

> Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 36.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-2-5-flash-lite-vs-gemma-4-31b-it
- Last updated: 2026-10-10
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Gemini 2.5 Flash-Lite 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 multimodal, where Gemma 4 31B IT leads 41.0 to 28.6.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 40.5% for Gemini 2.5 Flash-Lite and 63.5% for Gemma 4 31B IT.
- Gemma 4 31B IT is cheaper at $0.09 / $0.34 per million input/output tokens, against $0.10 / $0.40 for Gemini 2.5 Flash-Lite.
- Gemini 2.5 Flash-Lite accepts more context: 1.05M tokens versus 262K.
- Gemma 4 31B IT has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 2.5 Flash-Lite | Gemma 4 31B IT |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 36.4 | 43.2 |
| Rank | 208 | 85 |
| Context | 1.05M | 262K |
| Input $/M | $0.10 | $0.09 |
| Output $/M | $0.40 | $0.34 |
| Weights | Proprietary | Open |

## Coding

- Gemini 2.5 Flash-Lite: 38.0 (#167)
- Gemma 4 31B IT: 41.9 (#98)

| Benchmark | Gemini 2.5 Flash-Lite | Gemma 4 31B IT |
|---|---|---|
| WeirdML | 35.2% | 52.3% |
| LMArena Coding | 1373 | 1459 |
| ALE-Bench | 325.9 | 925.5 |
| LMArena WebDev | — | 1364 |
| SciCode | — | 43.4% |

## Agentic & Tool Use

- Gemini 2.5 Flash-Lite: 27.8 (#89)
- Gemma 4 31B IT: —

| Benchmark | Gemini 2.5 Flash-Lite | Gemma 4 31B IT |
|---|---|---|
| Berkeley Function Calling Leaderboard | 36.9% | — |

## Reasoning

- Gemini 2.5 Flash-Lite: 21.5 (#196)
- Gemma 4 31B IT: 26.4 (#119)

| Benchmark | Gemini 2.5 Flash-Lite | Gemma 4 31B IT |
|---|---|---|
| Kagi LLM Benchmark | 40.5% | 63.5% |
| LMArena Hard Prompts | 1377 | 1448 |
| DTBench | 62.8% | 82.7% |
| LMCA | 18.1% | 39.3% |
| Epoch Capabilities Index | 133.93 | 142.74 |
| NYT Connections (extended) | — | 70.6% |
| CritPt | — | 1.4% |
| Chess Puzzles | — | 5% |
| Thematic Generalization | — | 53% |
| Surface Evolver Bench | — | 30.6% |

## Math

- Gemini 2.5 Flash-Lite: 35.5 (#144)
- Gemma 4 31B IT: 41.3 (#72)

| Benchmark | Gemini 2.5 Flash-Lite | Gemma 4 31B IT |
|---|---|---|
| LMArena Math | 1373 | 1464 |
| OTIS Mock AIME 2024-2025 | — | 73.3% |
| Omni-MATH | 48% | — |

## Knowledge

- Gemini 2.5 Flash-Lite: 32.1 (#206)
- Gemma 4 31B IT: 37.9 (#141)

| Benchmark | Gemini 2.5 Flash-Lite | Gemma 4 31B IT |
|---|---|---|
| Vectara Hallucination Rate | 3.3% | 7.4% |
| LMArena Expert | 1373 | 1465 |
| GPQA Diamond | — | 75.8% |
| SimpleQA Verified | — | 10.4% |
| MMLU-Pro | 53.7% | — |
| GPQA (HELM) | 30.9% | — |

## Multimodal

- Gemini 2.5 Flash-Lite: 28.6 (#109)
- Gemma 4 31B IT: 41.0 (#32)

| Benchmark | Gemini 2.5 Flash-Lite | Gemma 4 31B IT |
|---|---|---|
| LMArena Vision | 1198 | 1278 |
| VPCT | 30% | — |
| LMArena Document | — | 1425 |

## Multilingual

- Gemini 2.5 Flash-Lite: 49.5 (#129)
- Gemma 4 31B IT: 54.0 (#52)

| Benchmark | Gemini 2.5 Flash-Lite | Gemma 4 31B IT |
|---|---|---|
| LMArena Non-English | 1369 | 1431 |
| LMArena Chinese | 1404 | 1478 |
| LMArena French | 1388 | 1436 |
| LMArena Russian | 1373 | 1462 |
| LMArena Spanish | 1396 | 1443 |
| LMArena German | 1390 | — |
| LMArena Japanese | 1359 | — |
| LMArena Korean | 1358 | — |

## Instruction Following

- Gemini 2.5 Flash-Lite: 70.2 (#163)
- Gemma 4 31B IT: 75.6 (#58)

| Benchmark | Gemini 2.5 Flash-Lite | Gemma 4 31B IT |
|---|---|---|
| LMArena Instruction Following | 1366 | 1433 |
| IFEval | 81% | — |

## Long Context

- Gemini 2.5 Flash-Lite: 33.3 (#257)
- Gemma 4 31B IT: 44.2 (#67)

| Benchmark | Gemini 2.5 Flash-Lite | Gemma 4 31B IT |
|---|---|---|
| LMArena Longer Query | 1373 | 1446 |
| Fiction.LiveBench | 47.2% | — |

## Writing & Preference

- Gemini 2.5 Flash-Lite: 57.0 (#130)
- Gemma 4 31B IT: 60.7 (#92)

| Benchmark | Gemini 2.5 Flash-Lite | Gemma 4 31B IT |
|---|---|---|
| LMArena Text | 1379 | 1443 |
| LMArena Creative Writing | 1366 | 1416 |
| LMArena Multi-Turn | 1367 | 1452 |
| EQ-Bench Creative Writing | — | 1368 |
| WildBench | 81.8% | — |
| EQ-Bench 4 | — | 1120 |

## FAQ

### Is Gemini 2.5 Flash-Lite better than Gemma 4 31B IT?

Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 36.4 on the Noometry Index.

### Which is cheaper, Gemini 2.5 Flash-Lite or Gemma 4 31B IT?

Gemma 4 31B IT is cheaper. It lists at $0.09 per million input tokens and $0.34 per million output tokens; Gemini 2.5 Flash-Lite lists at $0.10 and $0.40.

### Is Gemini 2.5 Flash-Lite or Gemma 4 31B IT better for coding?

Gemma 4 31B IT scores higher on coding benchmarks: 41.9 versus 38.0 in the Noometry coding category.

### Which has the bigger context window?

Gemini 2.5 Flash-Lite does, with 1.05M tokens against 262K.

### How many benchmarks do Gemini 2.5 Flash-Lite and Gemma 4 31B IT share?

22 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and Gemma 4 31B IT has 35.