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DeepSeek-R1-0528

DeepSeek-R1-0528 is an open-weight reasoning model using the DeepSeek V3 mixture-of-experts architecture with 671B total parameters, about 37B activated parameters, and a 128K context window.

Official siteVerified Oct 4, 2026

Overview

The checkpoint is the selected representative for DeepSeek's R1 reasoning line. It targets reasoning-heavy math and coding work while remaining independently downloadable and self-hostable.

Model specifications

Family
DeepSeek R1
Context
128,000 tokens
Input
Text
Output
Text
Open weights
Yes
Capabilities
Reasoning

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