Model comparison
Gemma 4 31B IT vs Qwen3.5 Plus
Gemma 4 31B IT and Qwen3.5 Plus score almost the same on the Noometry Index (43.2 vs 42.3), so choose on price, context window or the category you care about most.
Last verified . 9 shared benchmarks.
Google
Alibaba (Qwen)Summary
- They share 9 benchmarks with published results for both. Gemma 4 31B IT scores higher in 1 category and Qwen3.5 Plus in 3 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.5 Plus leads 46.0 to 37.9.
- The biggest single-benchmark swing is Chess Puzzles: 5% for Gemma 4 31B IT and 22% for Qwen3.5 Plus.
- Gemma 4 31B IT is cheaper at $0.09 / $0.34 per million input/output tokens, against $0.40 / $2.40 for Qwen3.5 Plus.
- Qwen3.5 Plus accepts more context: 1M tokens versus 262K.
- Gemma 4 31B IT has downloadable open weights; the other is API-only.
Side by side
| Gemma 4 31B IT | Qwen3.5 Plus | |
|---|---|---|
| Provider | Alibaba (Qwen) | |
| Noometry Index | 43.2 | 42.3 |
| Released | 2026-04-02 | 2026-02-16 |
| Weights | Open | Proprietary |
| Context window | 262K | 1M |
| Max output | 33K | 66K |
| Input $ / M tokens | $0.09 | $0.40 |
| Output $ / M tokens | $0.34 | $2.40 |
| Results tracked | 35 | 15 |
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Category by category
Coding Not comparable
Gemma 4 31B IT: 41.9 (#98), Qwen3.5 Plus: —
| Benchmark | Gemma 4 31B IT | Qwen3.5 Plus |
|---|---|---|
| ALE-Bench | 925.5 | 621.92 |
| LMArena WebDev | 1364 | — |
| SciCode | 43.4% | — |
| WeirdML | 52.3% | — |
| LMArena Coding | 1459 | — |
Agentic & Tool Use Not comparable
Gemma 4 31B IT: —, Qwen3.5 Plus: —
| Benchmark | Gemma 4 31B IT | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |
Reasoning Qwen3.5 Plus leads
Gemma 4 31B IT: 26.4 (#119), Qwen3.5 Plus: 32.0 (#67)
| Benchmark | Gemma 4 31B IT | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 5% | 22% |
| DTBench | 82.7% | 80.5% |
| LMCA | 39.3% | 36.4% |
| Epoch Capabilities Index | 142.74 | 146.79 |
| Kagi LLM Benchmark | 63.5% | — |
| NYT Connections (extended) | 70.6% | — |
| CritPt | 1.4% | — |
| Thematic Generalization | 53% | — |
| LMArena Hard Prompts | 1448 | — |
| Mystery Game Puzzles | — | 17% |
| Surface Evolver Bench | 30.6% | — |
Math Qwen3.5 Plus leads
Gemma 4 31B IT: 41.3 (#72), Qwen3.5 Plus: 47.9 (#55)
| Benchmark | Gemma 4 31B IT | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 73.3% | 86.7% |
| LMArena Math | 1464 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |
Knowledge Qwen3.5 Plus leads
Gemma 4 31B IT: 37.9 (#141), Qwen3.5 Plus: 46.0 (#78)
| Benchmark | Gemma 4 31B IT | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 75.8% | 84.8% |
| SimpleQA Verified | 10.4% | 25.4% |
| Vectara Hallucination Rate | 7.4% | 10.7% |
| LMArena Expert | 1465 | — |
Multimodal Not comparable
Gemma 4 31B IT: 41.0 (#32), Qwen3.5 Plus: —
| Benchmark | Gemma 4 31B IT | Qwen3.5 Plus |
|---|---|---|
| LMArena Vision | 1278 | — |
| LMArena Document | 1425 | — |
Multilingual Not comparable
Gemma 4 31B IT: 54.0 (#52), Qwen3.5 Plus: —
| Benchmark | Gemma 4 31B IT | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1431 | — |
| LMArena Chinese | 1478 | — |
| LMArena French | 1436 | — |
| LMArena Russian | 1462 | — |
| LMArena Spanish | 1443 | — |
Instruction Following Not comparable
Gemma 4 31B IT: 75.6 (#58), Qwen3.5 Plus: —
| Benchmark | Gemma 4 31B IT | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1433 | — |
Long Context Gemma 4 31B IT leads
Gemma 4 31B IT: 44.2 (#67), Qwen3.5 Plus: 42.9 (#109)
| Benchmark | Gemma 4 31B IT | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1446 | — |
Writing & Preference Not comparable
Gemma 4 31B IT: 60.7 (#92), Qwen3.5 Plus: —
| Benchmark | Gemma 4 31B IT | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1443 | — |
| LMArena Creative Writing | 1416 | — |
| EQ-Bench Creative Writing | 1368 | — |
| EQ-Bench 4 | 1120 | — |
| LMArena Multi-Turn | 1452 | — |
Frequently asked questions
Is Gemma 4 31B IT better than Qwen3.5 Plus?
Gemma 4 31B IT and Qwen3.5 Plus score almost the same on the Noometry Index (43.2 vs 42.3), so choose on price, context window or the category you care about most.
Which is cheaper, Gemma 4 31B IT or Qwen3.5 Plus?
Gemma 4 31B IT is cheaper. It lists at $0.09 per million input tokens and $0.34 per million output tokens; Qwen3.5 Plus lists at $0.40 and $2.40.
Which has the bigger context window?
Qwen3.5 Plus does, with 1M tokens against 262K.
How many benchmarks do Gemma 4 31B IT and Qwen3.5 Plus share?
9 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and Qwen3.5 Plus has 15.