Qwen3.5 Plus vs Qwen3 Coder Next
Qwen3.5 Plus comes out ahead, 59 to 51 on our weighted score, though Qwen3 Coder Next is 2× cheaper per token.
- Our pick
Alibaba (Qwen)Qwen3.5 Plus
59/100- ECI146.8
- Price$0.40 / $2.40
- Context1M
- Alibaba (Qwen)
Qwen3 Coder Next
51/100- ECI—
- Price$0.20 / $1.20
- Context262K
Add a model
Make it a three-way comparison.
Qwen3.5 Plus is our pick
Qwen3.5 Plus is the better all-round choice, scoring 59/100 against Qwen3 Coder Next (51). It leads on inputs & features and context window. Qwen3 Coder Next wins on price. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceQwen3 Coder NextQwen3 Coder Next $0.45 · Qwen3.5 Plus $0.90 per 1M tokens (3:1 blend)
- Longest contextQwen3.5 PlusQwen3.5 Plus 1,000,000 · Qwen3 Coder Next 262,144 tokens
- Widest inputsQwen3.5 PlusQwen3.5 Plus: Text, Images, Video · Qwen3 Coder Next: Text
- Self-hostingQwen3 Coder NextPublishes downloadable weights
| Measure | Weight | Qwen3.5 Plus | Qwen3 Coder Next |
|---|---|---|---|
| Price | 50% | 52 | 66 |
| Inputs & features | 30% | 70 | 35 |
| Context window | 20% | 60 | 37 |
| Overall | 100% | 59/100 | 51/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Qwen3.5 PlusAlibaba (Qwen) | Qwen3 Coder NextAlibaba (Qwen) |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | 146.8 | — |
| ECI rank | #65 of 148 | — |
| GPQA DiamondGraduate-level science questions | 84.9% | — |
| OTIS Mock AIME 2024–2025Competition mathematics | 86.7% | — |
| SimpleQA VerifiedShort factual questions | 25.4% | — |
| Price per million tokens | ||
| Input | $0.40 | $0.20 (best) |
| Output | $2.40 | $1.20 (best) |
| Cached input | — | — |
| Blended (3:1) | $0.90 | $0.45 (best) |
| Long-context rate | Same rate | Same rate |
| Price source | Official Alibaba API | Median of 11 providers |
| Limits | ||
| Context window | 1,000,000 tokens (best) | 262,144 tokens |
| Max output | 65,536 tokens | 65,536 tokens |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | Yes | No |
| PDFs | No | No |
| Audio | No | No |
| Video | Yes | No |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| Structured output | No | Yes |
| Availability | ||
| Weights | Proprietary | Open |
| API model ID | qwen3.5-plus | — |
| API providers | 10 | 11 (best) |
| Released | Feb 16, 2026 | Feb 3, 2026 |
| Knowledge cutoff | Apr 2025 | Sep 2025 |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Qwen3.5 Plus$8.80
- Qwen3 Coder Next$4.40
Which should you choose?
Which is better: Qwen3.5 Plus or Qwen3 Coder Next?
Qwen3.5 Plus is the better all-round choice, scoring 59/100 against Qwen3 Coder Next (51). It leads on inputs & features and context window. Qwen3 Coder Next wins on price. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Qwen3.5 Plus or Qwen3 Coder Next?
Qwen3 Coder Next is cheaper at $0.20 input / $1.20 output per million tokens (median across 11 API providers). Qwen3.5 Plus costs $0.40 input / $2.40 output per million tokens (official Alibaba API price). At a typical mix of three input tokens to one output token, that is $0.45 per million tokens for Qwen3 Coder Next versus $0.90 for Qwen3.5 Plus (2× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Qwen3.5 Plus has an ECI of 146.8 and Qwen3 Coder Next has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Qwen3.5 Plus and Qwen3 Coder Next yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.
Which has the bigger context window?
Qwen3.5 Plus has the largest context window at 1,000,000 tokens, against 262,144 for Qwen3 Coder Next. Maximum output per response: Qwen3.5 Plus up to 65,536, Qwen3 Coder Next up to 65,536 tokens.
Which can read images, PDFs, audio or video?
Qwen3.5 Plus accepts text, images and video; Qwen3 Coder Next accepts text. Qwen3.5 Plus handles the widest range of inputs.
Are any of these open source?
Qwen3 Coder Next publishes its weights and can be self-hosted; Qwen3.5 Plus is proprietary.
Which is newer?
Qwen3.5 Plus is the newest, released Feb 16, 2026. Qwen3 Coder Next came out Feb 3, 2026. Knowledge cutoff: Qwen3.5 Plus Apr 2025, Qwen3 Coder Next Sep 2025.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.
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