Qwen3.5 Plus 2026-04-20
$0.30 per 1M input tokens and $1.80 per 1M output tokens · 1M context · vision, tools, reasoning, JSON.
Prices checked Oct 21, 2026 · tracked by LLM Cost Index since Oct 21, 2026
What Qwen3.5 Plus 2026-04-20 costs per month
Estimated monthly bill for typical workloads. Try your own numbers in the cost calculator.
| Workload | Per month |
|---|---|
| Customer chatbot 1,000 conversations a day, 8 turns each | $259 |
| Document Q&A (RAG) 500 questions a day over retrieved documents | $40.50 |
| Coding / tool-using agent 200 tasks a day, long tool-heavy contexts | $151 |
| Content generation 30 long articles a day | $4.86 |
| Classification / extraction 100,000 short items a day | $351 |
Prompts above 256K tokens are billed at $0.375 input / $2.25 output per 1M.
Price history
We started tracking Qwen3.5 Plus 2026-04-20 on Oct 21, 2026; the chart appears as soon as there is a second data point. See all recent price changes.
Cheaper alternatives to Qwen3.5 Plus 2026-04-20
Models with the same tool calling, image input, structured output for at least 20% less (3:1 input/output mix), most capable first.
| Model | Input / 1M | Output / 1M | Context | Capabilities |
|---|---|---|---|---|
| Claude Haiku 5.5 Anthropic | $0.10 | $0.50 | 1M | visiontoolsreasoningJSON |
| GLM 5.3 Flash Z.ai | $0.041 | $0.12 | 1.05M | visiontoolsreasoningJSONopen weights |
| DeepSeek V4.1 Flash 1017 DeepSeek | $0.30 | $1.20 | 1.05M | visiontoolsreasoningJSONopen weights |
| GPT-6 Luna OpenAI | $0.10 | $0.50 | 1.05M | visiontoolsreasoningJSON |
| MiMo-V2.6-Flash Xiaomi | $0.14 | $0.28 | 1.05M | visionaudiotoolsreasoningJSONopen weights |
How to pay less for Qwen3.5 Plus 2026-04-20
For a customer chatbot (1,000 conversations a day, 8 turns each) that costs $259 a month at list price without caching:
| Option | Per month | You save |
|---|---|---|
| Move to Claude Haiku 5.5 (similar capabilities) | $58.56 | $201 (77%) |
Other workloads: cut-your-bill tool for Qwen3.5 Plus 2026-04-20.
Specifications
| Model ID | qwen/qwen3.5-plus-20260420 |
| Input | text, image, video |
| Output | text |
| Tool calling | Yes |
| Structured output | Yes |
| Reasoning mode | Yes |
| Open weights | No |
| Released | Apr 27, 2026 |
FAQ
- How much does Qwen3.5 Plus 2026-04-20 cost?
- $0.30 per million input tokens and $1.80 per million output tokens. Prompts over 256K tokens are billed at $0.375 / $2.25. Prices as of Oct 21, 2026.
- What is the context window of Qwen3.5 Plus 2026-04-20?
- 1M tokens, with up to 66K output tokens per response.
- Does Qwen3.5 Plus 2026-04-20 support images, tools and structured output?
- Images as input: yes. Tool calling: yes. Structured (JSON) output: yes. Reasoning mode: yes.
- What are cheaper alternatives to Qwen3.5 Plus 2026-04-20?
- Models with the same key capabilities for at least 20% less include Claude Haiku 5.5 ($0.10 / $0.50), GLM 5.3 Flash ($0.041 / $0.12), DeepSeek V4.1 Flash 1017 ($0.30 / $1.20).
More from Qwen: all Qwen models · how we collect prices