Model comparison
Gemini 2.5 Flash vs Qwen2.5 Plus 1127
Gemini 2.5 Flash and Qwen2.5 Plus 1127 score almost the same on the Noometry Index (39.3 vs 38.8), so choose on price, context window or the category you care about most.
Last verified . 14 shared benchmarks.
Google
Alibaba (Qwen)Summary
- They share 14 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 6 categories and Qwen2.5 Plus 1127 in 2 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Gemini 2.5 Flash leads 52.3 to 41.9.
Side by side
| Gemini 2.5 Flash | Qwen2.5 Plus 1127 | |
|---|---|---|
| Provider | Alibaba (Qwen) | |
| Noometry Index | 39.3 | 38.8 |
| 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 | 14 |
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Category by category
Coding Qwen2.5 Plus 1127 leads
Gemini 2.5 Flash: 35.8 (#220), Qwen2.5 Plus 1127: 38.5 (#175)
| Benchmark | Gemini 2.5 Flash | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Coding | 1424 | 1314 |
| 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), Qwen2.5 Plus 1127: —
| Benchmark | Gemini 2.5 Flash | Qwen2.5 Plus 1127 |
|---|---|---|
| Terminal-Bench | 17.1% | — |
| Berkeley Function Calling Leaderboard | 56.2% | — |
| TheAgentCompany | 41.1% | — |
| BALROG | 33.5% | — |
| Vending-Bench 2 | 548.84 | — |
Reasoning Qwen2.5 Plus 1127 leads
Gemini 2.5 Flash: 18.1 (#286), Qwen2.5 Plus 1127: 25.9 (#141)
| Benchmark | Gemini 2.5 Flash | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Hard Prompts | 1422 | 1299 |
| 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 Gemini 2.5 Flash leads
Gemini 2.5 Flash: 39.9 (#98), Qwen2.5 Plus 1127: 36.1 (#174)
| Benchmark | Gemini 2.5 Flash | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Math | 1415 | 1298 |
| OTIS Mock AIME 2024-2025 | 73.1% | — |
| Omni-MATH | 38.5% | — |
| FrontierMath (Feb 2025 set) | 4.8% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Too close to call
Gemini 2.5 Flash: 36.4 (#168), Qwen2.5 Plus 1127: 35.5 (#183)
| Benchmark | Gemini 2.5 Flash | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Expert | 1426 | 1289 |
| 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), Qwen2.5 Plus 1127: —
| Benchmark | Gemini 2.5 Flash | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Vision | 1253 | — |
| GeoBench | 76% | — |
| VPCT | 46.2% | — |
| SpatialViz-Bench | 36.9% | — |
Multilingual Gemini 2.5 Flash leads
Gemini 2.5 Flash: 52.3 (#88), Qwen2.5 Plus 1127: 41.9 (#201)
| Benchmark | Gemini 2.5 Flash | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Non-English | 1409 | 1265 |
| LMArena Chinese | 1450 | 1314 |
| LMArena German | 1418 | 1231 |
| LMArena Japanese | 1405 | 1207 |
| LMArena Russian | 1415 | 1271 |
| LMArena French | 1433 | — |
| LMArena Korean | 1385 | — |
| LMArena Spanish | 1421 | — |
Instruction Following Gemini 2.5 Flash leads
Gemini 2.5 Flash: 75.7 (#54), Qwen2.5 Plus 1127: 67.2 (#199)
| Benchmark | Gemini 2.5 Flash | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Instruction Following | 1405 | 1275 |
| IFEval | 89.8% | — |
Long Context Gemini 2.5 Flash leads
Gemini 2.5 Flash: 47.5 (#17), Qwen2.5 Plus 1127: 39.2 (#184)
| Benchmark | Gemini 2.5 Flash | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Longer Query | 1419 | 1292 |
| Fiction.LiveBench | 77.8% | — |
Writing & Preference Gemini 2.5 Flash leads
Gemini 2.5 Flash: 53.8 (#157), Qwen2.5 Plus 1127: 49.4 (#192)
| Benchmark | Gemini 2.5 Flash | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Text | 1417 | 1299 |
| LMArena Creative Writing | 1400 | 1262 |
| LMArena Multi-Turn | 1408 | 1299 |
| Short-Story Creative Writing | 76.5% | — |
| EQ-Bench Creative Writing | 1137 | — |
| WildBench | 81.7% | — |
Frequently asked questions
Is Gemini 2.5 Flash better than Qwen2.5 Plus 1127?
Gemini 2.5 Flash and Qwen2.5 Plus 1127 score almost the same on the Noometry Index (39.3 vs 38.8), so choose on price, context window or the category you care about most.
Is Gemini 2.5 Flash or Qwen2.5 Plus 1127 better for coding?
Qwen2.5 Plus 1127 scores higher on coding benchmarks: 38.5 versus 35.8 in the Noometry coding category.
How many benchmarks do Gemini 2.5 Flash and Qwen2.5 Plus 1127 share?
14 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and Qwen2.5 Plus 1127 has 14.