# Gemini 3.1 Flash Lite vs Qwen3.5 Plus

> Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 40.8 on the Noometry Index. Gemini 3.1 Flash Lite costs 1.6× less per token, which makes it the better buy when Qwen3.5 Plus's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemini-3-1-flash-lite-vs-qwen3-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 8

## Summary

- They share 8 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 0 categories and Qwen3.5 Plus in 4 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.5 Plus leads 32.8 to 22.9.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 80% for Gemini 3.1 Flash Lite and 86.7% for Qwen3.5 Plus.
- Gemini 3.1 Flash Lite is cheaper at $0.25 / $1.50 per million input/output tokens, against $0.40 / $2.40 for Qwen3.5 Plus.
- Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 1M.

## Snapshot

| | Gemini 3.1 Flash Lite | Qwen3.5 Plus |
|---|---|---|
| Provider | Google | Alibaba (Qwen) |
| Noometry Index | 40.8 | 42.9 |
| Rank | 144 | 106 |
| Context | 1.05M | 1M |
| Input $/M | $0.25 | $0.40 |
| Output $/M | $1.50 | $2.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 3.1 Flash Lite: 37.8 (#188)
- Qwen3.5 Plus: —

| Benchmark | Gemini 3.1 Flash Lite | Qwen3.5 Plus |
|---|---|---|
| ALE-Bench | 797.73 | 621.92 |
| LMArena WebDev | 1256 | — |
| SciCode | 41.9% | — |
| WeirdML | 52.2% | — |
| LMArena Coding | 1400 | — |

## Agentic & Tool Use

- Gemini 3.1 Flash Lite: 30.2 (#79)
- Qwen3.5 Plus: —

| Benchmark | Gemini 3.1 Flash Lite | Qwen3.5 Plus |
|---|---|---|
| DeepResearch Bench | 37.3% | — |
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- Gemini 3.1 Flash Lite: 22.9 (#186)
- Qwen3.5 Plus: 32.8 (#74)

| Benchmark | Gemini 3.1 Flash Lite | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 25% | 22% |
| DTBench | 76.8% | 80.5% |
| LMCA | 35% | 36.4% |
| Epoch Capabilities Index | 144.47 | 146.78 |
| Kagi LLM Benchmark | 67.2% | — |
| NYT Connections (extended) | 8.2% | — |
| CritPt | 1.1% | — |
| EnigmaEval | 3% | — |
| Thematic Generalization | 63.3% | — |
| LMArena Hard Prompts | 1407 | — |
| Mystery Game Puzzles | — | 17% |
| ForecastBench | 54.4 | — |

## Math

- Gemini 3.1 Flash Lite: 40.7 (#90)
- Qwen3.5 Plus: 49.6 (#61)

| Benchmark | Gemini 3.1 Flash Lite | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 80% | 86.7% |
| FrontierMath (Tiers 1-3) | 27.7% | — |
| LMArena Math | 1428 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- Gemini 3.1 Flash Lite: 41.9 (#104)
- Qwen3.5 Plus: 46.0 (#83)

| Benchmark | Gemini 3.1 Flash Lite | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 81.8% | 84.8% |
| Vectara Hallucination Rate | 8.2% | 10.7% |
| Humanity's Last Exam | 8.6% | — |
| SimpleQA Verified | — | 25.4% |
| LMArena Expert | 1398 | — |

## Multimodal

- Gemini 3.1 Flash Lite: 39.4 (#60)
- Qwen3.5 Plus: —

| Benchmark | Gemini 3.1 Flash Lite | Qwen3.5 Plus |
|---|---|---|
| LMArena Vision | 1240 | — |

## Multilingual

- Gemini 3.1 Flash Lite: 52.3 (#86)
- Qwen3.5 Plus: —

| Benchmark | Gemini 3.1 Flash Lite | Qwen3.5 Plus |
|---|---|---|
| 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)
- Qwen3.5 Plus: —

| Benchmark | Gemini 3.1 Flash Lite | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1377 | — |

## Long Context

- Gemini 3.1 Flash Lite: 42.5 (#122)
- Qwen3.5 Plus: 43.0 (#113)

| Benchmark | Gemini 3.1 Flash Lite | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1394 | — |

## Writing & Preference

- Gemini 3.1 Flash Lite: 60.9 (#94)
- Qwen3.5 Plus: —

| Benchmark | Gemini 3.1 Flash Lite | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1416 | — |
| LMArena Creative Writing | 1401 | — |
| LMArena Multi-Turn | 1417 | — |

## FAQ

### Is Gemini 3.1 Flash Lite better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 40.8 on the Noometry Index. Gemini 3.1 Flash Lite costs 1.6× less per token, which makes it the better buy when Qwen3.5 Plus's lead doesn't matter for your workload.

### Which is cheaper, Gemini 3.1 Flash Lite or Qwen3.5 Plus?

Gemini 3.1 Flash Lite is cheaper. It lists at $0.25 per million input tokens and $1.50 per million output tokens; Qwen3.5 Plus lists at $0.40 and $2.40.

### Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 1M.

### How many benchmarks do Gemini 3.1 Flash Lite and Qwen3.5 Plus share?

8 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Qwen3.5 Plus has 15.