Model comparison
Gemini 1.5 Flash 8B vs Qwen3.5 Plus
Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 29.7 on the Noometry Index.
Last verified . 3 shared benchmarks.
Google
Alibaba (Qwen)Summary
- They share 3 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 0 categories and Qwen3.5 Plus in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Qwen3.5 Plus leads 47.9 to 13.3.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.6% for Gemini 1.5 Flash 8B and 86.7% for Qwen3.5 Plus.
Side by side
| Gemini 1.5 Flash 8B | Qwen3.5 Plus | |
|---|---|---|
| Provider | Alibaba (Qwen) | |
| Noometry Index | 29.7 | 42.3 |
| Released | 2024-10-03 | 2026-02-16 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.40 |
| Output $ / M tokens | — | $2.40 |
| Results tracked | 21 | 15 |
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Category by category
Coding Not comparable
Gemini 1.5 Flash 8B: 34.9 (#221), Qwen3.5 Plus: —
| Benchmark | Gemini 1.5 Flash 8B | Qwen3.5 Plus |
|---|---|---|
| LMArena Coding | 1218 | — |
| ALE-Bench | — | 621.92 |
Agentic & Tool Use Not comparable
Gemini 1.5 Flash 8B: —, Qwen3.5 Plus: —
| Benchmark | Gemini 1.5 Flash 8B | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |
Reasoning Qwen3.5 Plus leads
Gemini 1.5 Flash 8B: 19.2 (#242), Qwen3.5 Plus: 32.0 (#67)
| Benchmark | Gemini 1.5 Flash 8B | Qwen3.5 Plus |
|---|---|---|
| DTBench | 50% | 80.5% |
| Chess Puzzles | — | 22% |
| LMArena Hard Prompts | 1210 | — |
| Mystery Game Puzzles | — | 17% |
| LMCA | — | 36.4% |
| Epoch Capabilities Index | — | 146.79 |
Math Qwen3.5 Plus leads
Gemini 1.5 Flash 8B: 13.3 (#296), Qwen3.5 Plus: 47.9 (#55)
| Benchmark | Gemini 1.5 Flash 8B | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.6% | 86.7% |
| LMArena Math | 1207 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |
Knowledge Qwen3.5 Plus leads
Gemini 1.5 Flash 8B: 16.0 (#285), Qwen3.5 Plus: 46.0 (#78)
| Benchmark | Gemini 1.5 Flash 8B | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 33% | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1185 | — |
Multimodal Not comparable
Gemini 1.5 Flash 8B: 27.6 (#110), Qwen3.5 Plus: —
| Benchmark | Gemini 1.5 Flash 8B | Qwen3.5 Plus |
|---|---|---|
| LMArena Vision | 1044 | — |
Multilingual Not comparable
Gemini 1.5 Flash 8B: 38.6 (#224), Qwen3.5 Plus: —
| Benchmark | Gemini 1.5 Flash 8B | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1215 | — |
| LMArena Chinese | 1231 | — |
| LMArena French | 1233 | — |
| LMArena German | 1206 | — |
| LMArena Japanese | 1150 | — |
| LMArena Korean | 1140 | — |
| LMArena Russian | 1236 | — |
| LMArena Spanish | 1212 | — |
Instruction Following Not comparable
Gemini 1.5 Flash 8B: 63.1 (#231), Qwen3.5 Plus: —
| Benchmark | Gemini 1.5 Flash 8B | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1199 | — |
Long Context Qwen3.5 Plus leads
Gemini 1.5 Flash 8B: 36.9 (#220), Qwen3.5 Plus: 42.9 (#109)
| Benchmark | Gemini 1.5 Flash 8B | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1219 | — |
Writing & Preference Not comparable
Gemini 1.5 Flash 8B: 43.0 (#227), Qwen3.5 Plus: —
| Benchmark | Gemini 1.5 Flash 8B | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1226 | — |
| LMArena Creative Writing | 1218 | — |
| LMArena Multi-Turn | 1185 | — |
Frequently asked questions
Is Gemini 1.5 Flash 8B better than Qwen3.5 Plus?
Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 29.7 on the Noometry Index.
How many benchmarks do Gemini 1.5 Flash 8B and Qwen3.5 Plus share?
3 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and Qwen3.5 Plus has 15.