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DeepSeek-V3.2 Exp

DeepSeek

Released
September 29, 2025
Data date
September 8, 2026
Successor
DeepSeek-V3.2
Price
Input · Output / 1M tokens

What is distinctive about DeepSeek-V3.2 Exp is its experimental introduction of DeepSeek Sparse Attention into the V3 line. The checkpoint follows DeepSeek-V3.1 Terminus, uses 671 billion total parameters and 37 billion active parameters.

Exp identifies the experimental checkpoint before the regular DeepSeek-V3.2 release.

Specifications and access

SpecificationValue and source
Weights
Open weightsSource
Access
API, LocalSource
Parameters
671BSource
Active parameters
Context window
128,000 tokensSource
Notes
671B serving main model, separate 14B MTP training module (685B shipped weights), 256 experts, 37B active per token, 128K contextSource
License
Parameters
671 BSource
Active parameters
37 BSource
Architecture
MoE hybrid thinking/non-thinkingSource
Reasoning mode
thinking modeSource
Tool calling