DeepSeek V3.5
DeepSeek V3.5 is a mixture-of-experts model with 685B total parameters and 37B activated per token. Notable for delivering frontier performance at a fraction of the training cost of competing models.
Released
March 24, 2026
Type
llm
License
open-weight
Context
128,000 tokens
Pricing
Input
$0.27 / 1M tokens
Output
$1.10 / 1M tokens
Capabilities
textcodereasoning
Architecture
Parameters: 685B MoE (37B active)