Qwen 3.5 Plus

Alibaba

Flagship Qwen model with 397B total parameters (17B active via MoE). Hybrid architecture with Gated Delta Networks and 512 experts. Supports 201 languages and thinking/non-thinking modes.

Text Generation API Latest Qwen Family v3.5
Documentation Back to Models
Parameters
397B
params
Context Window
1.0M
tokens
Max Output
66K
tokens
Input Price
$0.4000
per 1M tokens
Output Price
$2.4000
per 1M tokens

Qwen Family Timeline 13 versions

Qwen 3.5 35B-A3B local
Feb 2026
Qwen 3.5 27B Latest local
Feb 2026
Qwen 3.5 9B local
Feb 2026
Qwen 3.5 Plus Current Latest api
Feb 2026
Qwen 3 Max api
Jul 2025
Qwen 3 MoE Small api
Apr 2025
Qwen 3 MoE Large api
Apr 2025
Qwen 2.5 Max api
Jan 2025
QwQ 32B (Reasoning) local
Nov 2024
Qwen 2.5 7B local
Sep 2024
Qwen 2.5 14B local
Sep 2024
Qwen 2.5 32B local
Sep 2024
Qwen 2.5 Coder 32B local
Sep 2024

Capabilities

👁️
Vision
⚡
Function Calling
📋
JSON Mode
🌊
Streaming
💬
System Prompt
🖥️
Code Execution
🔍
Web Search
🔌
MCP Support

Details

Release Date
February 16, 2026
Knowledge Cutoff
-
Source
API
API Key Required
Yes
License
Apache 2.0
Model ID
qwen3.5-plus
Last updated: March 13, 2026