best anthropic open source llm 2026

Anthropic offers free AI security scans to open-source maintainers Anthropic’s OSS Scanner is a new, free service that uses the company’s strongest AI models to find security vulnerabilities in open-source software. Maintainers who opt in receive periodic scans and reports explaining suspected flaws, how to reproduce them and, when available, how to fix them. The service builds on Anthropic’s experience with Project Glasswing, which used Claude to find sof

Anthropic finds 94 cases where open-source projects drop security controls without warning Software can expose complex functionality to unauthenticated users even when that functionality is disabled or unnecessary. Anthropic’s Frontier Red Team used Claude to examine 25 open-source projects and reported 493 issues involving unnecessary exposure, conflicting settings, and code running before security checks. Attack surface reduction means limiting the parts