# Gemini 3.1 Flash Lite vs Qwen2.5 7B Instruct

> Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 29.0 on the Noometry Index. Qwen2.5 7B Instruct costs 1.8× less per token, which makes it the better buy when Gemini 3.1 Flash Lite's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemini-3-1-flash-lite-vs-qwen2-5-7b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 6

## Summary

- They share 6 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 7 categories and Qwen2.5 7B Instruct in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 3.1 Flash Lite leads 40.7 to 12.6.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 80% for Gemini 3.1 Flash Lite and 2.5% for Qwen2.5 7B Instruct.
- Qwen2.5 7B Instruct is cheaper at $0.17 / $0.70 per million input/output tokens, against $0.25 / $1.50 for Gemini 3.1 Flash Lite.
- Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 131K.
- Qwen2.5 7B Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 3.1 Flash Lite | Qwen2.5 7B Instruct |
|---|---|---|
| Provider | Google | Alibaba (Qwen) |
| Noometry Index | 40.8 | 29.0 |
| Rank | 144 | 320 |
| Context | 1.05M | 131K |
| Input $/M | $0.25 | $0.17 |
| Output $/M | $1.50 | $0.70 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3.1 Flash Lite: 37.8 (#188)
- Qwen2.5 7B Instruct: 36.5 (#208)

| Benchmark | Gemini 3.1 Flash Lite | Qwen2.5 7B Instruct |
|---|---|---|
| LMArena WebDev | 1256 | — |
| SciCode | 41.9% | — |
| WeirdML | 52.2% | — |
| BigCodeBench Instruct | — | 37.6% |
| LMArena Coding | 1400 | — |
| BigCodeBench Complete | — | 46.1% |
| ALE-Bench | 797.73 | — |

## Agentic & Tool Use

- Gemini 3.1 Flash Lite: 30.2 (#79)
- Qwen2.5 7B Instruct: 23.8 (#124)

| Benchmark | Gemini 3.1 Flash Lite | Qwen2.5 7B Instruct |
|---|---|---|
| DeepResearch Bench | 37.3% | — |
| BALROG | — | 7.8% |

## Reasoning

- Gemini 3.1 Flash Lite: 22.9 (#186)
- Qwen2.5 7B Instruct: 14.8 (#322)

| Benchmark | Gemini 3.1 Flash Lite | Qwen2.5 7B Instruct |
|---|---|---|
| Chess Puzzles | 25% | 0% |
| DTBench | 76.8% | 47.7% |
| LMCA | 35% | 6.4% |
| Epoch Capabilities Index | 144.47 | 118.51 |
| Kagi LLM Benchmark | 67.2% | — |
| NYT Connections (extended) | 8.2% | — |
| CritPt | 1.1% | — |
| EnigmaEval | 3% | — |
| Thematic Generalization | 63.3% | — |
| LMArena Hard Prompts | 1407 | — |
| ForecastBench | 54.4 | — |

## Math

- Gemini 3.1 Flash Lite: 40.7 (#90)
- Qwen2.5 7B Instruct: 12.6 (#306)

| Benchmark | Gemini 3.1 Flash Lite | Qwen2.5 7B Instruct |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 80% | 2.5% |
| FrontierMath (Tiers 1-3) | 27.7% | — |
| Omni-MATH | — | 29.4% |
| LMArena Math | 1428 | — |

## Knowledge

- Gemini 3.1 Flash Lite: 41.9 (#104)
- Qwen2.5 7B Instruct: 17.0 (#286)

| Benchmark | Gemini 3.1 Flash Lite | Qwen2.5 7B Instruct |
|---|---|---|
| GPQA Diamond | 81.8% | 35.5% |
| Humanity's Last Exam | 8.6% | — |
| MMLU-Pro | — | 53.9% |
| Vectara Hallucination Rate | 8.2% | — |
| GPQA (HELM) | — | 34.1% |
| LMArena Expert | 1398 | — |
| MMLU | — | 72.9% |

## Multimodal

- Gemini 3.1 Flash Lite: 39.4 (#60)
- Qwen2.5 7B Instruct: —

| Benchmark | Gemini 3.1 Flash Lite | Qwen2.5 7B Instruct |
|---|---|---|
| LMArena Vision | 1240 | — |

## Multilingual

- Gemini 3.1 Flash Lite: 52.3 (#86)
- Qwen2.5 7B Instruct: —

| Benchmark | Gemini 3.1 Flash Lite | Qwen2.5 7B Instruct |
|---|---|---|
| LMArena Non-English | 1411 | — |
| LMArena Chinese | 1461 | — |
| LMArena French | 1424 | — |
| LMArena German | 1429 | — |
| LMArena Japanese | 1413 | — |
| LMArena Korean | 1392 | — |
| LMArena Russian | 1420 | — |
| LMArena Spanish | 1421 | — |

## Instruction Following

- Gemini 3.1 Flash Lite: 72.7 (#131)
- Qwen2.5 7B Instruct: 63.2 (#231)

| Benchmark | Gemini 3.1 Flash Lite | Qwen2.5 7B Instruct |
|---|---|---|
| IFEval | — | 74.1% |
| LMArena Instruction Following | 1377 | — |

## Long Context

- Gemini 3.1 Flash Lite: 42.5 (#122)
- Qwen2.5 7B Instruct: —

| Benchmark | Gemini 3.1 Flash Lite | Qwen2.5 7B Instruct |
|---|---|---|
| LMArena Longer Query | 1394 | — |

## Writing & Preference

- Gemini 3.1 Flash Lite: 60.9 (#94)
- Qwen2.5 7B Instruct: 48.8 (#195)

| Benchmark | Gemini 3.1 Flash Lite | Qwen2.5 7B Instruct |
|---|---|---|
| LMArena Text | 1416 | — |
| LMArena Creative Writing | 1401 | — |
| WildBench | — | 73.1% |
| LMArena Multi-Turn | 1417 | — |

## FAQ

### Is Gemini 3.1 Flash Lite better than Qwen2.5 7B Instruct?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 29.0 on the Noometry Index. Qwen2.5 7B Instruct costs 1.8× less per token, which makes it the better buy when Gemini 3.1 Flash Lite's lead doesn't matter for your workload.

### Which is cheaper, Gemini 3.1 Flash Lite or Qwen2.5 7B Instruct?

Qwen2.5 7B Instruct is cheaper. It lists at $0.17 per million input tokens and $0.70 per million output tokens; Gemini 3.1 Flash Lite lists at $0.25 and $1.50.

### Is Gemini 3.1 Flash Lite or Qwen2.5 7B Instruct better for coding?

Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.8 versus 36.5 in the Noometry coding category.

### Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 131K.

### How many benchmarks do Gemini 3.1 Flash Lite and Qwen2.5 7B Instruct share?

6 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Qwen2.5 7B Instruct has 15.