Qwen Flash
Qwen Flash is a reasoning model from Qwen released on Jul 28, 2025. It reads text and writes text, with a 1M token context window and up to 33K tokens per reply.
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It costs $0.05 per million input tokens and $0.40 per million output tokens.
It supports tool calling and structured JSON output.
7 providers serve it, including Alibaba (China), Merge Gateway and Ofox. The lowest input price is $0.022 per million tokens at Alibaba (China).
- Modalities
- In / out price
- $0.05 / $0.40 per 1M
- Context
- 1M
- Max output
- 33K
- Released
- Jul 28, 2025
- Knowledge cutoff
- Apr 2024
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Qwen Flash pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.05 / 1M tokens | |
|---|---|---|
| Output | $0.40 / 1M tokens |
Qwen Flash providers
7 providers serve it, including Alibaba (China), Merge Gateway and Ofox. The lowest input price is $0.022 per million tokens at Alibaba (China). Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Alibaba First party | $0.05 | $0.40 | – | 1M | 33K |
| Alibaba (China) | $0.022 | $0.216 | – | 1M | 33K |
| Merge Gateway | $0.022 | $0.216 | $0.0044 | 1M | 250K |
| Ofox | $0.022 | $0.22 | $0.0043 | 1M | 33K |
| DevPass (LLM Gateway) | $0.05 | $0.40 | $0.01 | 1M | 33K |
| LLM Gateway | $0.05 | $0.40 | $0.01 | 1M | 32K |
| LLMTR | $0.05 | $0.40 | – | 1M | 33K |
What Qwen Flash costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call Qwen Flash through an OpenAI compatible API.
- Tools
tools - Structured outputs
structured_outputs - Reasoning
reasoning - Temperature
temperature
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Qwen Flash questions
How much does the Qwen Flash API cost?
$0.05 per million input tokens and $0.40 per million output tokens. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Qwen Flash?
1,000,000 tokens of input, and it can write up to 32,768 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve Qwen Flash?
7 providers serve it, including Alibaba (China), Merge Gateway and Ofox. The lowest input price is $0.022 per million tokens at Alibaba (China). Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does Qwen Flash support tool calling?
Yes. It accepts tool definitions and can return JSON that matches a schema, which is what an agent needs to call your APIs.
Is Qwen Flash open source?
No. Qwen serves it through an API only, so you cannot download the weights or host it yourself.
When was Qwen Flash released?
Jul 28, 2025, with training data up to Apr 2024.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.
Building on Qwen Flash?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
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