Qwen3.8 Flash
Qwen vision-language model for visual reasoning, documents, and agent tasks.
- Capability
- —No ECI score yet
- Input
- $0.15per 1M tokens
- Output
- $0.47per 1M tokens
- Context
- 1M131K max output
What it costs
- Input
- $0.15per million tokens
- Output
- $0.47per million tokens
- Cached input
- $0.016per million tokens
- Cache write
- $0.20per million tokens
- Blended (3:1)
- $0.23cheaper than 77% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $0.535 |
| Team assistant25M input + 5M output tokens | $6.10 |
| Production app250M input + 50M output tokens | $61.00 |
Official Alibaba API price, as listed on models.dev.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Qwen3.8 Flash yet.
The details
- Lab
- Alibaba (Qwen)
- Released
- Aug 26, 2026
- Context window
- 1,000,000 tokens
- Max output
- 131,072 tokens
- Inputs
- Text, Images, Video
- Output
- Text
- Reasoning
- Adjustable effort low · medium · xhigh
- Tool calling
- Yes
- Structured output
- Yes
- Weights
- Proprietary
- API model ID
qwen3.8-flashon Alibaba- Availability
- 23 API providerslisted on models.dev
More from Alibaba (Qwen)
About Qwen3.8 Flash
How much does Qwen3.8 Flash cost?
Qwen3.8 Flash costs $0.15 input / $0.47 output per million tokens (official Alibaba API price). Cached input is $0.016 per million tokens, and writing to the cache costs $0.20. At a 3:1 input-to-output mix that is $0.23 per million tokens, cheaper than 77% of the 360 priced models we track.
What is the context window of Qwen3.8 Flash?
Qwen3.8 Flash accepts up to 1,000,000 tokens per request and can write up to 131,072 tokens in one response.
How good is Qwen3.8 Flash?
Epoch AI has not published a Capabilities Index score for Qwen3.8 Flash yet.
Is Qwen3.8 Flash open source?
No. Qwen3.8 Flash is proprietary; you use it through Alibaba’s API or partner platforms.
What inputs does Qwen3.8 Flash support?
Qwen3.8 Flash accepts text, images and video and replies in text. It is a reasoning model with low, medium and xhigh effort settings, supports tool calling and can return structured JSON output.
When was Qwen3.8 Flash released?
Alibaba (Qwen) released Qwen3.8 Flash on Aug 26, 2026.
What are the best alternatives to Qwen3.8 Flash?
The closest current models from other labs on capability, price and release date are Hy3 (Tencent, $0.132 / $0.53), MiniCPM5-2B (OpenBMB, $0.124 / $0.743), Viv Fast (Vivgrid, $0.13 / $0.40) and DeepSeek V4 Flash Vision Exp (DeepSeek, $0.216 / $0.647).