Model comparison
Gemini 3.1 Pro Preview vs Qwen3 Coder Plus
Gemini 3.1 Pro Preview has enough public results to be ranked (#20); Qwen3 Coder Plus does not yet, so treat this comparison as directional.
Last verified . 1 shared benchmarks.
Google
Alibaba (Qwen)Summary
- They share 1 benchmark with published results for both.
- Qwen3 Coder Plus is cheaper at $1 / $5 per million input/output tokens, against $2 / $12 for Gemini 3.1 Pro Preview.
- Qwen3 Coder Plus has downloadable open weights; the other is API-only.
Side by side
| Gemini 3.1 Pro Preview | Qwen3 Coder Plus | |
|---|---|---|
| Provider | Alibaba (Qwen) | |
| Noometry Index | 56.7 | — |
| Released | 2026-02-19 | 2025-07-23 |
| Weights | Proprietary | Open |
| Context window | 1.05M | 1.05M |
| Max output | 66K | 66K |
| Input $ / M tokens | $2 | $1 |
| Output $ / M tokens | $12 | $5 |
| Results tracked | 71 | 1 |
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Category by category
Coding Not comparable
Gemini 3.1 Pro Preview: 42.7 (#88), Qwen3 Coder Plus: —
| Benchmark | Gemini 3.1 Pro Preview | Qwen3 Coder Plus |
|---|---|---|
| ALE-Bench | 1,161 | 456.5 |
| SWE-bench Verified | 75.6% | — |
| DeepSWE | 11.7% | — |
| LMArena WebDev | 1446 | — |
| SciCode | 58.9% | — |
| GSO | 22.6% | — |
| WeirdML | 72.1% | — |
| LMArena Coding | 1483 | — |
| MirrorCode | 8.9% | — |
| AlgoTune | 2.02 | — |
Agentic & Tool Use Not comparable
Gemini 3.1 Pro Preview: 37.7 (#33), Qwen3 Coder Plus: —
| Benchmark | Gemini 3.1 Pro Preview | Qwen3 Coder Plus |
|---|---|---|
| Terminal-Bench | 80.2% | — |
| APEX-Agents | 35.3% | — |
| τ²-bench Banking | 26% | — |
| DeepResearch Bench | 47.8% | — |
| PostTrainBench | 22% | — |
| BALROG | 57% | — |
| ExploitBench | 26.1% | — |
| GBAEval | 0.8% | — |
| GDP.pdf | 17% | — |
| LMArena Search | 1211 | — |
| METR Time Horizons | 77% | — |
| Vending-Bench 2 | 3,774 | — |
Reasoning Not comparable
Gemini 3.1 Pro Preview: 71.7 (#9), Qwen3 Coder Plus: —
| Benchmark | Gemini 3.1 Pro Preview | Qwen3 Coder Plus |
|---|---|---|
| ARC-AGI-2 | 77.1% | — |
| SimpleBench | 79.6% | — |
| NYT Connections (extended) | 97.4% | — |
| ARC-AGI-1 | 98% | — |
| CritPt | 17.7% | — |
| Chess Puzzles | 55% | — |
| EnigmaEval | 36.8% | — |
| Thematic Generalization | 79.4% | — |
| EBR-Bench | 14.3% | — |
| LMArena Hard Prompts | 1484 | — |
| Mystery Game Puzzles | 34% | — |
| DTBench | 97.1% | — |
| LMCA | 53.8% | — |
| Epoch Capabilities Index | 154.92 | — |
| ForecastBench | 59 | — |
Math Not comparable
Gemini 3.1 Pro Preview: 61.8 (#28), Qwen3 Coder Plus: —
| Benchmark | Gemini 3.1 Pro Preview | Qwen3 Coder Plus |
|---|---|---|
| FrontierMath (Tiers 1-3) | 59.6% | — |
| FrontierMath Tier 4 | 26.8% | — |
| MathArena Final-Answer Competitions | 86.5% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
| ProofBench | 26% | — |
| LMArena Math | 1485 | — |
| FrontierMath (Feb 2025 set) | 36.9% | — |
| FrontierMath Tier 4 (v1) | 16.7% | — |
Knowledge Not comparable
Gemini 3.1 Pro Preview: 71.8 (#3), Qwen3 Coder Plus: —
| Benchmark | Gemini 3.1 Pro Preview | Qwen3 Coder Plus |
|---|---|---|
| GPQA Diamond | 94.4% | — |
| Humanity's Last Exam | 46.4% | — |
| SimpleQA Verified | 73.5% | — |
| Vectara Hallucination Rate | 10.4% | — |
| LMArena Expert | 1484 | — |
Multimodal Not comparable
Gemini 3.1 Pro Preview: 38.1 (#60), Qwen3 Coder Plus: —
| Benchmark | Gemini 3.1 Pro Preview | Qwen3 Coder Plus |
|---|---|---|
| LMArena Vision | 1296 | — |
| Blueprint-Bench 2 | 26.5% | — |
| Furniture Assembly | 26.7% | — |
| LMArena Document | 1444 | — |
Multilingual Not comparable
Gemini 3.1 Pro Preview: 57.1 (#11), Qwen3 Coder Plus: —
| Benchmark | Gemini 3.1 Pro Preview | Qwen3 Coder Plus |
|---|---|---|
| LMArena Non-English | 1475 | — |
| LMArena Chinese | 1528 | — |
| LMArena French | 1488 | — |
| LMArena German | 1491 | — |
| LMArena Japanese | 1494 | — |
| LMArena Korean | 1458 | — |
| LMArena Russian | 1496 | — |
| LMArena Spanish | 1480 | — |
Instruction Following Not comparable
Gemini 3.1 Pro Preview: 77.1 (#31), Qwen3 Coder Plus: —
| Benchmark | Gemini 3.1 Pro Preview | Qwen3 Coder Plus |
|---|---|---|
| LMArena Instruction Following | 1465 | — |
Long Context Not comparable
Gemini 3.1 Pro Preview: 47.3 (#17), Qwen3 Coder Plus: —
| Benchmark | Gemini 3.1 Pro Preview | Qwen3 Coder Plus |
|---|---|---|
| CL-bench | 20.8% | — |
| CL-bench Life | 16.9% | — |
| LMArena Longer Query | 1482 | — |
Writing & Preference Not comparable
Gemini 3.1 Pro Preview: 66.3 (#36), Qwen3 Coder Plus: —
| Benchmark | Gemini 3.1 Pro Preview | Qwen3 Coder Plus |
|---|---|---|
| LMArena Text | 1480 | — |
| LMArena Creative Writing | 1482 | — |
| EQ-Bench Creative Writing | 1491 | — |
| EQ-Bench 4 | 1142 | — |
| LMArena Multi-Turn | 1486 | — |
Frequently asked questions
Is Gemini 3.1 Pro Preview better than Qwen3 Coder Plus?
Gemini 3.1 Pro Preview has enough public results to be ranked (#20); Qwen3 Coder Plus does not yet, so treat this comparison as directional.
Which is cheaper, Gemini 3.1 Pro Preview or Qwen3 Coder Plus?
Qwen3 Coder Plus is cheaper. It lists at $1 per million input tokens and $5 per million output tokens; Gemini 3.1 Pro Preview lists at $2 and $12.
Which has the bigger context window?
Both accept 1.05M tokens.
How many benchmarks do Gemini 3.1 Pro Preview and Qwen3 Coder Plus share?
1 benchmark has published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and Qwen3 Coder Plus has 1.