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Vercel Open Sources AI-Powered Security Tool That Scans Codebases for Vulnerabilities on Your Own Infrastructure

Vercel Open Sources AI-Powered Security Tool That Scans Codebases for Vulnerabilities on Your Own Infrastructure

May 05, 2026
Vercel

Vercel open sources deepsec, an AI-powered security tool that scans codebases for vulnerabilities directly on users' own infrastructure, leveraging existing Claude or Codex subscriptions with a multi-step workflow that reduces false positives to just 10-20% and supports 1,000+ concurrent sandboxes for large repositories.

Security Coding & Developer Tools Open Source
DeepSeek Drops Two Powerful New AI Models With Record-Low Prices and 1 Trillion+ Parameter Architecture

DeepSeek Drops Two Powerful New AI Models With Record-Low Prices and 1 Trillion+ Parameter Architecture

May 04, 2026
Simon Willison’s Weblog

DeepSeek unleashes two groundbreaking AI models — DeepSeek-V4-Pro and V4-Flash — featuring over 1 trillion parameters and record-breaking low prices, with V4-Flash undercutting OpenAI's cheapest model at just $0.14 per million tokens, powered by dramatic efficiency gains that slash compute costs to a fraction of its predecessor.

Foundation Models Open Source Coding & Developer Tools
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