Model comparison
Gemini 2.5 Flash vs Qwen3.5 Max Preview
Qwen3.5 Max Preview is the stronger model overall, scoring 45.3 to 39.3 on the Noometry Index.
Last verified . 17 shared benchmarks.
Google
Alibaba (Qwen)Summary
- They share 17 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 1 category and Qwen3.5 Max Preview in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.5 Max Preview leads 30.8 to 18.1.
Side by side
| Gemini 2.5 Flash | Qwen3.5 Max Preview | |
|---|---|---|
| Provider | Alibaba (Qwen) | |
| Noometry Index | 39.3 | 45.3 |
| Released | 2025-04-17 | — |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.30 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 54 | 17 |
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Category by category
Coding Qwen3.5 Max Preview leads
Gemini 2.5 Flash: 35.8 (#220), Qwen3.5 Max Preview: 44.0 (#77)
| Benchmark | Gemini 2.5 Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Coding | 1424 | 1487 |
| SWE-bench Verified (bash only) | 28.7% | — |
| Aider Polyglot | 55.1% | — |
| WeirdML | 41.9% | — |
| ALE-Bench | 661.88 | — |
Agentic & Tool Use Not comparable
Gemini 2.5 Flash: 30.8 (#74), Qwen3.5 Max Preview: —
| Benchmark | Gemini 2.5 Flash | Qwen3.5 Max Preview |
|---|---|---|
| Terminal-Bench | 17.1% | — |
| Berkeley Function Calling Leaderboard | 56.2% | — |
| TheAgentCompany | 41.1% | — |
| BALROG | 33.5% | — |
| Vending-Bench 2 | 548.84 | — |
Reasoning Qwen3.5 Max Preview leads
Gemini 2.5 Flash: 18.1 (#286), Qwen3.5 Max Preview: 30.8 (#84)
| Benchmark | Gemini 2.5 Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Hard Prompts | 1422 | 1483 |
| ARC-AGI-2 | 2.5% | — |
| SimpleBench | 41.2% | — |
| Kagi LLM Benchmark | 56.8% | — |
| ARC-AGI-1 | 33.3% | — |
| CritPt | 1.1% | — |
| EnigmaEval | 2.7% | — |
| DTBench | 76.5% | — |
| LMCA | 27.5% | — |
| Epoch Capabilities Index | 143.03 | — |
| ForecastBench | 60.6 | — |
Math Too close to call
Gemini 2.5 Flash: 39.9 (#98), Qwen3.5 Max Preview: 40.1 (#94)
| Benchmark | Gemini 2.5 Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Math | 1415 | 1474 |
| OTIS Mock AIME 2024-2025 | 73.1% | — |
| Omni-MATH | 38.5% | — |
| FrontierMath (Feb 2025 set) | 4.8% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Qwen3.5 Max Preview leads
Gemini 2.5 Flash: 36.4 (#168), Qwen3.5 Max Preview: 41.8 (#107)
| Benchmark | Gemini 2.5 Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Expert | 1426 | 1489 |
| Humanity's Last Exam | 12.1% | — |
| MMLU-Pro | 63.9% | — |
| Confabulations | 16.8% | — |
| Vectara Hallucination Rate | 7.8% | — |
| GPQA (HELM) | 39% | — |
Multimodal Not comparable
Gemini 2.5 Flash: 41.8 (#32), Qwen3.5 Max Preview: —
| Benchmark | Gemini 2.5 Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Vision | 1253 | — |
| GeoBench | 76% | — |
| VPCT | 46.2% | — |
| SpatialViz-Bench | 36.9% | — |
Multilingual Qwen3.5 Max Preview leads
Gemini 2.5 Flash: 52.3 (#88), Qwen3.5 Max Preview: 56.2 (#22)
| Benchmark | Gemini 2.5 Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Non-English | 1409 | 1465 |
| LMArena Chinese | 1450 | 1534 |
| LMArena French | 1433 | 1484 |
| LMArena German | 1418 | 1487 |
| LMArena Japanese | 1405 | 1495 |
| LMArena Korean | 1385 | 1438 |
| LMArena Russian | 1415 | 1471 |
| LMArena Spanish | 1421 | 1470 |
Instruction Following Qwen3.5 Max Preview leads
Gemini 2.5 Flash: 75.7 (#54), Qwen3.5 Max Preview: 77.0 (#31)
| Benchmark | Gemini 2.5 Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Instruction Following | 1405 | 1467 |
| IFEval | 89.8% | — |
Long Context Gemini 2.5 Flash leads
Gemini 2.5 Flash: 47.5 (#17), Qwen3.5 Max Preview: 45.2 (#45)
| Benchmark | Gemini 2.5 Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Longer Query | 1419 | 1476 |
| Fiction.LiveBench | 77.8% | — |
Writing & Preference Qwen3.5 Max Preview leads
Gemini 2.5 Flash: 53.8 (#157), Qwen3.5 Max Preview: 66.0 (#41)
| Benchmark | Gemini 2.5 Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Text | 1417 | 1470 |
| LMArena Creative Writing | 1400 | 1464 |
| LMArena Multi-Turn | 1408 | 1478 |
| Short-Story Creative Writing | 76.5% | — |
| EQ-Bench Creative Writing | 1137 | — |
| WildBench | 81.7% | — |
Frequently asked questions
Is Gemini 2.5 Flash better than Qwen3.5 Max Preview?
Qwen3.5 Max Preview is the stronger model overall, scoring 45.3 to 39.3 on the Noometry Index.
Is Gemini 2.5 Flash or Qwen3.5 Max Preview better for coding?
Qwen3.5 Max Preview scores higher on coding benchmarks: 44.0 versus 35.8 in the Noometry coding category.
How many benchmarks do Gemini 2.5 Flash and Qwen3.5 Max Preview share?
17 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and Qwen3.5 Max Preview has 17.