Qwen3.5 Plus 2026-04-20
alibaba/qwen3.5-plus-20260420- Alibaba
- Family · Qwen3 Plus
- Text · Image · Video → Text
- Tools · JSON · Vision
Not on OSMEXO yet
Spec & list price
Context1M
Max output64K
Input / 1M$0.30
Output / 1M$1.806× input
Usage
Tokens / day61.3M▲ 42% 7d
Usage rank#334
Requests / day6.8K
Tool calls / req0.11
Per request · 30 days
Avg input10.3K0.7× median
Avg output1.0K1.5× median
Cache hit4.5%0.1× median
Reasoning share66%1.2× median
Tool-call failures8.3%4.4× median
Consumption
Peak 555.9M 1 OctLow 61.3M 1 NovRank today #334
News & trends
Trending · 14 days · Qwen3 Plus family
News · latest from Alibaba
- Memdoor: A team of 5 Qwen3.8-27B models beats Fable 5 on LiveCodeBench Hardgithub.com · 31 Oct
- Qwen3.8-Flash Now Available in the EU on Alibaba Cloudtwitter.com · 31 Oct
- Alibaba's Qwen3.8-Flash-Next model tried to upload a file to Beijing in a testnotebookcheck.net · 27 Oct
- Neuron Explorer for Qwen3.5-4B: See every neuron at work, make targeted editsgithub.com · 26 Oct
Benchmarks
Benchmark data: Artificial AnalysisOutput speed#166/33463 tok/sabout median
First token#1931.3 s1.2× longer than median
Family progress
Intelligence Index
- Family releases25.2
Technical details
- Tokenizer
- Qwen3
- Moderation
- none
Request parameters 16
- tools
- tool_choice
- response_format
- structured_outputs
- reasoning
- include_reasoning
- temperature
- top_p
- top_k
- max_tokens
+6 more
- stop
- seed
- frequency_penalty
- logprobs
- presence_penalty
- top_logprobs
When to use
Best for
- Very long document and codebase Q&A
- Image and video understanding
- Tool-calling assistants with structured output
- Existing apps already tuned to this version
Think twice for
- New projects (usage is declining)
- Self-hosting (closed weights)
- Image or video generation
- Audio tasks
Same family
Qwen3 Plus- 25.2
- 27.0
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