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Qwen3.5-397B-A17B

Multimodal
Alibaba

Qwen3.5-397B-A17B is the flagship Qwen model with a Mixture-of-Experts architecture containing 397 billion parameters and 17 billion active. Delivers state-of-the-art performance in knowledge, reasoning, coding, math, multilingual understanding, instruction following, and agentic tasks.

Key Specifications

Parameters
397.0B
Context
-
Release Date
February 15, 2026
Average Score
93.3%

Timeline

Key dates in the model's history
Announcement
February 15, 2026
Last Update
February 17, 2026
Today
March 25, 2026

Technical Specifications

Parameters
397.0B
Training Tokens
-
Knowledge Cutoff
-
Family
-
Capabilities
MultimodalZeroEval

Benchmark Results

Model performance metrics across various tests and benchmarks

Other Tests

Specialized benchmarks
MMLU-Redux
Self-reported
95.0%
HMMT 2025
February 2025Self-reported
95.0%
C-Eval
Self-reported
93.0%
HMMT25
November 2025Self-reported
93.0%
IFEval
Self-reported
93.0%
AIME 2026
Self-reported
91.0%

License & Metadata

License
apache-2.0
Announcement Date
February 15, 2026
Last Updated
February 17, 2026

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