Model comparison
Qwen3.5 Plus vs Qwen3 Coder Next
Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 34.3 on the Noometry Index. Qwen3 Coder Next costs 3.1× less per token, which makes it the better buy when Qwen3.5 Plus's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Summary
- The widest gap is in reasoning, where Qwen3.5 Plus leads 32.8 to 22.4.
- Qwen3 Coder Next is cheaper at $0.12 / $0.80 per million input/output tokens, against $0.40 / $2.40 for Qwen3.5 Plus.
- Qwen3.5 Plus accepts more context: 1M tokens versus 262K.
- Qwen3 Coder Next has downloadable open weights; the other is API-only.
Side by side
| Qwen3.5 Plus | Qwen3 Coder Next | |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 42.9 | 34.3 |
| Released | 2026-02-16 | 2026-02-02 |
| Weights | Proprietary | Open |
| Context window | 1M | 262K |
| Max output | 66K | 66K |
| Input $ / M tokens | $0.40 | $0.12 |
| Output $ / M tokens | $2.40 | $0.80 |
| Results tracked | 15 | 3 |
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Category by category
Coding Not comparable
Qwen3.5 Plus: —, Qwen3 Coder Next: 36.3 (#210)
Agentic & Tool Use Not comparable
Qwen3.5 Plus: —, Qwen3 Coder Next: —
| Benchmark | Qwen3.5 Plus | Qwen3 Coder Next |
|---|---|---|
| Vending-Bench 2 | 0.54 | — |
Reasoning Qwen3.5 Plus leads
Qwen3.5 Plus: 32.8 (#74), Qwen3 Coder Next: 22.4 (#196)
| Benchmark | Qwen3.5 Plus | Qwen3 Coder Next |
|---|---|---|
| CritPt | — | 0% |
| Chess Puzzles | 22% | — |
| Mystery Game Puzzles | 17% | — |
| DTBench | 80.5% | — |
| LMCA | 36.4% | — |
| Epoch Capabilities Index | 146.78 | — |
Math Not comparable
Qwen3.5 Plus: 49.6 (#61), Qwen3 Coder Next: —
| Benchmark | Qwen3.5 Plus | Qwen3 Coder Next |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.7% | — |
| FrontierMath (Feb 2025 set) | 21% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge Not comparable
Qwen3.5 Plus: 46.0 (#83), Qwen3 Coder Next: —
| Benchmark | Qwen3.5 Plus | Qwen3 Coder Next |
|---|---|---|
| GPQA Diamond | 84.8% | — |
| SimpleQA Verified | 25.4% | — |
| Vectara Hallucination Rate | 10.7% | — |
Long Context Not comparable
Qwen3.5 Plus: 43.0 (#113), Qwen3 Coder Next: —
| Benchmark | Qwen3.5 Plus | Qwen3 Coder Next |
|---|---|---|
| CL-bench | 19.8% | — |
| CL-bench Life | 12.4% | — |
Frequently asked questions
Is Qwen3.5 Plus better than Qwen3 Coder Next?
Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 34.3 on the Noometry Index. Qwen3 Coder Next costs 3.1× less per token, which makes it the better buy when Qwen3.5 Plus's lead doesn't matter for your workload.
Which is cheaper, Qwen3.5 Plus or Qwen3 Coder Next?
Qwen3 Coder Next is cheaper. It lists at $0.12 per million input tokens and $0.80 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 Qwen3.5 Plus and Qwen3 Coder Next share?
0 benchmarks have published results for both models. Qwen3.5 Plus has 15 scored results on Noometry and Qwen3 Coder Next has 3.