Qwen3.5 Plus 2026-04-20
Provider：Qwen
Qwen3.5 Plus (April 2026) is a large-scale multimodal language model from Alibaba. It accepts text, image, and video input and produces text output, with a 1M token context window. This...
Key specs
- Context：1M
- Max output：65.5K
- Tokenizer：Qwen3
- Released：2026-04-27
Token pricing
- Input price：$0.300 / 1M tokens
- Output price：$1.80 / 1M tokens
- Cache write：$0.375 / 1M tokens
- Blended price：$0.675 / 1M tokens
Modalities
Text, Image, Video
Use Cases
- Deep Reasoning & Analysis：Process long legal docs, academic papers, financial reports; multi-hop reasoning and evidence-chain tracing across huge contexts.（≈ $0.014/call）
- Vision Understanding & Generation：Recognize data trends in charts, OCR scanned docs, analyze photos and produce structured reports.（≈ $0.011/call）
- Chat & Support：FAQ auto-response, multi-turn dialogue, emotion detection — e-commerce, finance, gov.（≈ $0.0036/call）
When to pick this model
Signals derived from public pricing and spec fields — not a benchmark. Validate with official docs and your own eval.
- Low input price: cost-effective for tasks that consume large context (RAG, long-doc analysis).
- Long context (>=1M tokens): well-suited for long-doc QA, code-base analysis, multi-turn agents.
- Long max output (>=30K tokens): strong fit for deep report / essay / document-drafting workflows.
- Multimodal (text+image): fit for image captioning, OCR, chart QA, vision-grounded reasoning.
- Video input support: fit for video understanding, frame QA, content moderation.
FAQ
- What is the token pricing of Qwen3.5 Plus 2026-04-20? Input price $0.300 / 1M tokens, output price $1.80 / 1M tokens, blended about $0.675 / 1M tokens. Refer to Qwen’s official page for the exact rate.
- What context window does Qwen3.5 Plus 2026-04-20 support? Context window is 1M, max output about 65.5K, suitable for long documents, multi-turn chat and complex reasoning.
- What scenarios is Qwen3.5 Plus 2026-04-20 best for? Based on its capability and pricing, Qwen3.5 Plus 2026-04-20 fits best: Deep Reasoning & Analysis, Vision Understanding & Generation, Chat & Support. See the Use Cases section for details and cost estimates.
- What input/output modalities does Qwen3.5 Plus 2026-04-20 support? Supports Text, Image, Video modality.
- Is Qwen3.5 Plus 2026-04-20 a free model? Qwen3.5 Plus 2026-04-20 is billed per token, not a free model.
- Which provider offers Qwen3.5 Plus 2026-04-20? Qwen3.5 Plus 2026-04-20 is offered by Qwen.
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Full info：Qwen3.5 Plus 2026-04-20