# Gemini 1.5 Flash (May 2024) vs Qwen3.5-Flash

> Qwen3.5-Flash is the stronger model overall, scoring 42.5 to 33.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-5-flash-vs-qwen3-5-flash
- Last updated: 2026-10-12
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Gemini 1.5 Flash (May 2024) scores higher in 1 category and Qwen3.5-Flash in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.5-Flash leads 43.2 to 26.2.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 16.3% for Gemini 1.5 Flash (May 2024) and 84.4% for Qwen3.5-Flash.

## Snapshot

| | Gemini 1.5 Flash (May 2024) | Qwen3.5-Flash |
|---|---|---|
| Provider | Google | Alibaba (Qwen) |
| Noometry Index | 33.2 | 42.5 |
| Rank | 246 | 112 |
| Context | — | 1M |
| Input $/M | — | $0.10 |
| Output $/M | — | $0.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.5 Flash (May 2024): 34.4 (#236)
- Qwen3.5-Flash: 34.2 (#242)

| Benchmark | Gemini 1.5 Flash (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Coding | 1261 | 1412 |
| LMArena WebDev | — | 1244 |
| WeirdML | 24.9% | — |
| BigCodeBench Instruct | 43.5% | — |
| BigCodeBench Complete | 55.1% | — |
| ALE-Bench | — | 221.8 |
| HumanEval+ | 75.6% | — |
| MBPP+ | 67.5% | — |

## Agentic & Tool Use

- Gemini 1.5 Flash (May 2024): 26.6 (#102)
- Qwen3.5-Flash: —

| Benchmark | Gemini 1.5 Flash (May 2024) | Qwen3.5-Flash |
|---|---|---|
| BALROG | 14.6% | — |
| Vending-Bench 2 | — | 462.69 |

## Reasoning

- Gemini 1.5 Flash (May 2024): 21.7 (#215)
- Qwen3.5-Flash: 33.7 (#72)

| Benchmark | Gemini 1.5 Flash (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Hard Prompts | 1257 | 1403 |
| DTBench | 53.8% | 82.9% |
| Epoch Capabilities Index | 129.36 | 143.98 |
| Chess Puzzles | — | 21% |
| Mystery Game Puzzles | — | 20% |
| LMCA | — | 29.1% |
| ForecastBench | 53.9 | — |
| PIQA | 87.5% | — |

## Math

- Gemini 1.5 Flash (May 2024): 22.1 (#281)
- Qwen3.5-Flash: 37.4 (#158)

| Benchmark | Gemini 1.5 Flash (May 2024) | Qwen3.5-Flash |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 16.3% | 84.4% |
| LMArena Math | 1269 | 1407 |
| FrontierMath (Feb 2025 set) | 0% | 6.2% |
| FrontierMath (Tiers 1-3) | — | 18.2% |
| Omni-MATH | 30.4% | — |
| MATH Level 5 | 61.9% | — |
| FrontierMath Tier 4 (v1) | — | 0% |
| GSM8K | 82.4% | — |

## Knowledge

- Gemini 1.5 Flash (May 2024): 26.2 (#260)
- Qwen3.5-Flash: 43.2 (#93)

| Benchmark | Gemini 1.5 Flash (May 2024) | Qwen3.5-Flash |
|---|---|---|
| GPQA Diamond | 47.3% | 82.3% |
| LMArena Expert | 1233 | 1407 |
| SimpleQA Verified | — | 20.3% |
| MMLU-Pro | 67.8% | — |
| Vectara Hallucination Rate | — | 10.5% |
| GPQA (HELM) | 43.7% | — |
| BoolQ | 85.8% | — |
| MMLU | 77.9% | — |

## Multimodal

- Gemini 1.5 Flash (May 2024): 36.0 (#81)
- Qwen3.5-Flash: —

| Benchmark | Gemini 1.5 Flash (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Vision | 1141 | — |
| Video-MME | 70.3% | — |
| GeoBench | 76% | — |

## Multilingual

- Gemini 1.5 Flash (May 2024): 42.9 (#189)
- Qwen3.5-Flash: 50.5 (#121)

| Benchmark | Gemini 1.5 Flash (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Non-English | 1278 | 1385 |
| LMArena Chinese | 1295 | 1446 |
| LMArena French | 1258 | 1412 |
| LMArena German | 1262 | 1390 |
| LMArena Japanese | 1252 | 1368 |
| LMArena Korean | 1221 | 1344 |
| LMArena Russian | 1288 | 1379 |
| LMArena Spanish | 1243 | 1400 |

## Instruction Following

- Gemini 1.5 Flash (May 2024): 66.8 (#205)
- Qwen3.5-Flash: 72.6 (#139)

| Benchmark | Gemini 1.5 Flash (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Instruction Following | 1258 | 1374 |
| IFEval | 83.1% | — |

## Long Context

- Gemini 1.5 Flash (May 2024): 39.0 (#187)
- Qwen3.5-Flash: 42.4 (#124)

| Benchmark | Gemini 1.5 Flash (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Longer Query | 1284 | 1392 |

## Writing & Preference

- Gemini 1.5 Flash (May 2024): 48.7 (#196)
- Qwen3.5-Flash: 57.9 (#122)

| Benchmark | Gemini 1.5 Flash (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Text | 1287 | 1397 |
| LMArena Creative Writing | 1285 | 1343 |
| LMArena Multi-Turn | 1253 | 1393 |
| WildBench | 79.2% | — |

## FAQ

### Is Gemini 1.5 Flash (May 2024) better than Qwen3.5-Flash?

Qwen3.5-Flash is the stronger model overall, scoring 42.5 to 33.2 on the Noometry Index.

### Is Gemini 1.5 Flash (May 2024) or Qwen3.5-Flash better for coding?

They score almost the same on coding (34.4 vs 34.2); test both on your own repository before choosing.

### How many benchmarks do Gemini 1.5 Flash (May 2024) and Qwen3.5-Flash share?

22 benchmarks have published results for both models. Gemini 1.5 Flash (May 2024) has 42 scored results on Noometry and Qwen3.5-Flash has 32.