~/bookmarks

Welcome! Type "help" for available commands.

System Card: Claude Opus 4 & Claude Sonnet 4

~/bookmarks

William's Bookmark Library

/**/

System Card: Claude Opus 4 & Claude Sonnet 4

simonwillison.netSaved May 26, 202510 min

Simon Willison · via Simon Willison’s Weblog

Summary

Direct link to a PDF on Anthropic’s CDN because they don’t appear to have a landing page anywhere for this document. Anthropic’s system cards are always worth a look, and …

Topics

Anthropic AI Safety Risks Prompt Injection Attacks AI System Cards Claude Opus 4

Visit Site All Bookmarks

~/bookmarks

~/bookmarks

System Card: Claude Opus 4 & Claude Sonnet 4

Summary

Topics

Discover Similar Content

Related Bookmarks

Bringing Claude self-hosted sandboxes to OpenShell on Red Hat AI

GitHub - travisvn/awesome-claude-skills: A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows — particularly Claude Code

GitHub - vectara/hallucination-leaderboard: Leaderboard Comparing LLM Performance at Producing Hallucinations when Summarizing Short Documents

Related Articles

Anthropic's Claude 4 Announced: New AI Capabilities for Coding, Agents, and Claude Code in VS Code / IntelliJ

Discover Similar Content

System Card: Claude Opus 4 & Claude Sonnet 4

Summary

Topics

Discover Similar Content

Related Bookmarks

Bringing Claude self-hosted sandboxes to OpenShell on Red Hat AI

GitHub - travisvn/awesome-claude-skills: A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows — particularly Claude Code

GitHub - vectara/hallucination-leaderboard: Leaderboard Comparing LLM Performance at Producing Hallucinations when Summarizing Short Documents

Related Articles

Anthropic's Claude 4 Announced: New AI Capabilities for Coding, Agents, and Claude Code in VS Code / IntelliJ