DeepSeek V4

What is DeepSeek V4?

DeepSeek V4 is a developer-focused coding assistant that understands whole projects. It uses a new Engram memory system and a 1M+ token context window to analyze repositories, track cross-file dependencies, and find or fix complex bugs. You can run it locally with open weights or use the API and SDK for quick integration. It targets enterprises and teams that need private deployment, cost-effective inference, and stronger long-context code reasoning without sacrificing performance.

Key features

• Handles codebases with over one million tokens for full-context analysis.
• Uses Engram memory to store static knowledge in CPU memory.
• Performs repository-level bug diagnosis across multiple files simultaneously.
• Supports open-weight downloads and private deployment for regulated industries.
• Reduces API costs about fifty percent with Sparse Attention efficiency.
• Integrates via SDK and API for seamless developer workflow integration.