Overview
Qwen3.5 Plus is the latest and most capable model in the Qwen lineup. It combines a 1M token context window with native multimodal understanding, built-in tool use, and advanced reasoning capabilities in a single model.
Key Features
- 1M context window — The largest context window in the Qwen lineup, process up to 1 million tokens
- Native multimodal — Accepts both text and image inputs natively
- Advanced reasoning — Built-in thinking/reasoning mode for complex problems
- Built-in tool use — Native function calling without additional configuration
- Dual mode — Thinking mode for complex reasoning, non-thinking mode for speed
- OpenAI-compatible API — Drop-in replacement using chat completions format
Pricing
Per Million Tokens
Non-thinking Mode (0 < Tokens ≤ 256K)
Input Price: $0.4
Output Price: $2.4
Non-thinking Mode (256K < Tokens ≤ 1M)
Input Price: $0.5
Output Price: $3
Thinking Mode (0 < Tokens ≤ 256K)
Input Price: $0.4
Output Price: $2.4
Thinking Mode (256K < Tokens ≤ 1M)
Input Price: $0.5
Output Price: $3
Parameters
No input schema available.