# Qwen: Qwen3.5 Flash: AI model fact sheet

- **Provider:** qwen
- **Released:** 2026-02-25
- **Context window:** 1,000,000 tokens
- **API pricing:** $0.10 / 1M input, $0.40 / 1M output
- **OpenRouter ID:** qwen/qwen3.5-flash-02-23
- **Capabilities:** conversation, reasoning, code-generation, analysis, tool-use, agentic-tool-use, translation

The Qwen3.5 native vision-language Flash models are built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. Compared to the 3 series, these models deliver a leap forward in performance for both pure text and multimodal tasks, offering fast response times while balancing inference speed and overall performance.

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/qwen3.5-flash-02-23