Anthropic Claude API

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Comparing Claude Fable 5's system prompt to Opus 4.8

 🧩PKM  Content type: Blog

Elevated errors on Claude Opus 4.8 on 2026-06-06T19:05:27.000Z

 Rust

Claude Mythos goes public in new Fable 5 model that’s ‘safe for general use’

 🔐Security Research  Content type: News
9to5google.com·

Securing CI/CD in an agentic world: Claude Code Github action case

 🧩model context protocol
microsoft.com·

Claude Fable 5 “Feels Next Level” via @sejournal, @martinibuster

 🧩PKM

Anthropic's Claude Fable 5 Is the First Mythos-Level AI Model You Can Actually Use

 🔐Security Research
cnet.com·

Riemann-bench | Surge AI

 🗃️Zettelkasten
surgehq.ai··Hacker News

Anthropic President Daniela Amodei was asked about tokenmaxxing. Here's what she said.

 🧩PKM
businessinsider.com
·

Anthropic releases Claude Fable 5, Mythos 5

 🧩PKM
sdtimes.com·

Particle: Anthropic Releases Claude Fable 5, a Guardrailed Public Version of Mythos

 🧩PKM  Content type: News
particle.news·

Anthropic’s Claude Fable is a version of Mythos the public can access today

 🧩PKM
techcrunch.com·

Elevated errors on many Claude models

 Rust

Anthropic Says Its Latest Model Is 'Mythos-Level,' but With Strict Safeguards

 🔐Security Research
lifehacker.com·

Building intelligent apps for Apple platform with Claude in the Foundation Model

 🌳Tree-sitter  Content type: Blog
claude.com··Hacker News

agentlas-ai/Hephaestus: No-code AI agent builder — turn one sentence into a single agent or a multi-agent team. The engine inside Agentlas. A no-code CrewAI / LangGraph / AutoGen alternative that runs on Claude Code, Codex, and Cursor.

 🗃️Zettelkasten  Content type: Code
github.com··r/SideProject

Anthropic Launches Claude Fable 5: Its Most Powerful AI Model Yet | iPhone in Canada

 🧩PKM
iphoneincanada.ca·

Saturday 6 June — Claude Code 2.1.167

 📦Nixpkgs
lukerenton.com·

Data retention practices for Mythos-class models | Claude Help Center

 🛡️Byzantine Fault Tolerance

Anthropic tops AI Arena rankings as it files for IPO

 🧩PKM  Content type: News  Content type: Blog

Anthropic Launches Claude Fable 5: Mythos-Class AI With Cybersecurity Guardrails

 🔐Security Research
securityweek.com·

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