Alibaba (Qwen) · Released Feb 23, 2026Qwen3.5 Flash
Qwen vision-language model for visual reasoning, documents, and agent tasks.
- Capability
- 144.0ECI · #82 of 148
- Input
- $0.10per 1M tokens
- Output
- $0.40per 1M tokens
- Context
- 1M66K max output
What it costs
- Input
- $0.10per million tokens
- Output
- $0.40per million tokens
- Cached input
- $0.01per million tokens
- Cache write
- $0.125per million tokens
- Blended (3:1)
- $0.175cheaper than 79% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $0.40 |
| Team assistant25M input + 5M output tokens | $4.50 |
| Production app250M input + 50M output tokens | $45.00 |
Official Alibaba API price, as listed on models.dev.
Independent benchmarks
#82 of 148 scored models
The shaded band is Epoch AI’s confidence range (141.6–145.5); the tick marks the median scored model.
Scores from Epoch AI, run independently of Alibaba (Qwen).
The details
- Lab
- Alibaba (Qwen)
- Released
- Feb 23, 2026
- Context window
- 1,000,000 tokens
- Max output
- 65,536 tokens
- Inputs
- Text, Images, Video
- Output
- Text
- Reasoning
- Thinking budget
- Tool calling
- Yes
- Structured output
- Yes
- Weights
- Proprietary
- API model ID
qwen3.5-flashon Alibaba- Availability
- 8 API providerslisted on models.dev
More from Alibaba (Qwen)
About Qwen3.5 Flash
How much does Qwen3.5 Flash cost?
Qwen3.5 Flash costs $0.10 input / $0.40 output per million tokens (official Alibaba API price). Cached input is $0.01 per million tokens, and writing to the cache costs $0.125. At a 3:1 input-to-output mix that is $0.175 per million tokens, cheaper than 79% of the 360 priced models we track.
What is the context window of Qwen3.5 Flash?
Qwen3.5 Flash accepts up to 1,000,000 tokens per request and can write up to 65,536 tokens in one response.
How good is Qwen3.5 Flash?
Epoch AI gives Qwen3.5 Flash a Capabilities Index score of 144.0 (likely range 141.6–145.5), ranking it #82 of 148 models Epoch has scored. Epoch AI benchmark results: GPQA Diamond 82.3%, FrontierMath Tiers 1–3 18.3%, OTIS Mock AIME 2024–2025 84.4%, SimpleQA Verified 20.3%.
Is Qwen3.5 Flash open source?
No. Qwen3.5 Flash is proprietary; you use it through Alibaba’s API or partner platforms.
What inputs does Qwen3.5 Flash support?
Qwen3.5 Flash accepts text, images and video and replies in text. It is a reasoning model, supports tool calling and can return structured JSON output.
When was Qwen3.5 Flash released?
Alibaba (Qwen) released Qwen3.5 Flash on Feb 23, 2026.
What are the best alternatives to Qwen3.5 Flash?
The closest current models from other labs on capability, price and release date are Gemma 4 31B IT (Google, ECI 142.8, $0.14 / $0.40), DeepSeek V4 Flash (DeepSeek, ECI 146.1, $0.14 / $0.28), GPT-5.4 nano (OpenAI, ECI 145.8, $0.20 / $1.25) and MiniMax-M2.7 (MiniMax, ECI 145.9, $0.30 / $1.20).