Model comparison
Gemini 1.5 Pro (May 2024) vs Qwen3.5-Flash
Qwen3.5-Flash is the stronger model overall, scoring 42.5 to 32.1 on the Noometry Index.
Last verified . 21 shared benchmarks.
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Alibaba (Qwen)Summary
- They share 21 benchmarks with published results for both. Gemini 1.5 Pro (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 reasoning, where Qwen3.5-Flash leads 33.7 to 12.3.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 23.1% for Gemini 1.5 Pro (May 2024) and 84.4% for Qwen3.5-Flash.
Side by side
| Gemini 1.5 Pro (May 2024) | Qwen3.5-Flash | |
|---|---|---|
| Provider | Alibaba (Qwen) | |
| Noometry Index | 32.1 | 42.5 |
| Released | 2024-02-15 | 2026-02-23 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.40 |
| Results tracked | 45 | 32 |
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Category by category
Coding Too close to call
Gemini 1.5 Pro (May 2024): 34.2 (#241), Qwen3.5-Flash: 34.2 (#242)
| Benchmark | Gemini 1.5 Pro (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Coding | 1294 | 1412 |
| LMArena WebDev | — | 1244 |
| WeirdML | 22.2% | — |
| BigCodeBench Instruct | 43.8% | — |
| BigCodeBench Complete | 57.5% | — |
| CadEval | 34% | — |
| ALE-Bench | — | 221.8 |
| HumanEval+ | 79.3% | — |
| MBPP+ | 74.6% | — |
Agentic & Tool Use Not comparable
Gemini 1.5 Pro (May 2024): 17.9 (#145), Qwen3.5-Flash: —
| Benchmark | Gemini 1.5 Pro (May 2024) | Qwen3.5-Flash |
|---|---|---|
| TheAgentCompany | 3.4% | — |
| Cybench | 7.5% | — |
| BALROG | 21% | — |
| Vending-Bench 2 | — | 462.69 |
Reasoning Qwen3.5-Flash leads
Gemini 1.5 Pro (May 2024): 12.3 (#338), Qwen3.5-Flash: 33.7 (#72)
| Benchmark | Gemini 1.5 Pro (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Hard Prompts | 1296 | 1403 |
| DTBench | 59% | 82.9% |
| Epoch Capabilities Index | 131.73 | 143.98 |
| ARC-AGI-2 | 0.8% | — |
| SimpleBench | 27.1% | — |
| Chess Puzzles | — | 21% |
| Mystery Game Puzzles | — | 20% |
| LMCA | — | 29.1% |
| BIG-Bench Hard | 89.2% | — |
| ForecastBench | 58.4 | — |
Math Qwen3.5-Flash leads
Gemini 1.5 Pro (May 2024): 25.8 (#266), Qwen3.5-Flash: 37.4 (#158)
| Benchmark | Gemini 1.5 Pro (May 2024) | Qwen3.5-Flash |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 23.1% | 84.4% |
| LMArena Math | 1315 | 1407 |
| FrontierMath (Tiers 1-3) | — | 18.2% |
| Omni-MATH | 36.4% | — |
| MATH Level 5 | 70.4% | — |
| FrontierMath (Feb 2025 set) | — | 6.2% |
| FrontierMath Tier 4 (v1) | — | 0% |
Knowledge Qwen3.5-Flash leads
Gemini 1.5 Pro (May 2024): 29.4 (#239), Qwen3.5-Flash: 43.2 (#93)
| Benchmark | Gemini 1.5 Pro (May 2024) | Qwen3.5-Flash |
|---|---|---|
| GPQA Diamond | 57.2% | 82.3% |
| LMArena Expert | 1279 | 1407 |
| Humanity's Last Exam | 4.6% | — |
| SimpleQA Verified | — | 20.3% |
| MMLU-Pro | 73.7% | — |
| Confabulations | 13.5% | — |
| Vectara Hallucination Rate | — | 10.5% |
| GPQA (HELM) | 53.4% | — |
| MMLU | 86.9% | — |
Multimodal Not comparable
Gemini 1.5 Pro (May 2024): 36.8 (#77), Qwen3.5-Flash: —
| Benchmark | Gemini 1.5 Pro (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Vision | 1161 | — |
| Video-MME | 75% | — |
Multilingual Qwen3.5-Flash leads
Gemini 1.5 Pro (May 2024): 45.3 (#174), Qwen3.5-Flash: 50.5 (#121)
| Benchmark | Gemini 1.5 Pro (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Non-English | 1312 | 1385 |
| LMArena Chinese | 1331 | 1446 |
| LMArena French | 1302 | 1412 |
| LMArena German | 1286 | 1390 |
| LMArena Japanese | 1292 | 1368 |
| LMArena Korean | 1298 | 1344 |
| LMArena Russian | 1320 | 1379 |
| LMArena Spanish | 1311 | 1400 |
Instruction Following Qwen3.5-Flash leads
Gemini 1.5 Pro (May 2024): 68.6 (#185), Qwen3.5-Flash: 72.6 (#139)
| Benchmark | Gemini 1.5 Pro (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Instruction Following | 1297 | 1374 |
| IFEval | 83.7% | — |
Long Context Qwen3.5-Flash leads
Gemini 1.5 Pro (May 2024): 39.8 (#169), Qwen3.5-Flash: 42.4 (#124)
| Benchmark | Gemini 1.5 Pro (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Longer Query | 1308 | 1392 |
Writing & Preference Qwen3.5-Flash leads
Gemini 1.5 Pro (May 2024): 52.4 (#172), Qwen3.5-Flash: 57.9 (#122)
| Benchmark | Gemini 1.5 Pro (May 2024) | Qwen3.5-Flash |
|---|---|---|
| LMArena Text | 1319 | 1397 |
| LMArena Creative Writing | 1333 | 1343 |
| LMArena Multi-Turn | 1296 | 1393 |
| WildBench | 81.3% | — |
Frequently asked questions
Is Gemini 1.5 Pro (May 2024) better than Qwen3.5-Flash?
Qwen3.5-Flash is the stronger model overall, scoring 42.5 to 32.1 on the Noometry Index.
Is Gemini 1.5 Pro (May 2024) or Qwen3.5-Flash better for coding?
They score almost the same on coding (34.2 vs 34.2); test both on your own repository before choosing.
How many benchmarks do Gemini 1.5 Pro (May 2024) and Qwen3.5-Flash share?
21 benchmarks have published results for both models. Gemini 1.5 Pro (May 2024) has 45 scored results on Noometry and Qwen3.5-Flash has 32.