Claude Fable 5: Anthropic's Mythos-Class Model (2026)
June 10, 2026
Claude Fable 5 is Anthropic's most capable public model yet — a Mythos-class system at $10/$50 that quietly falls back to Claude Opus 4.8 on risky prompts.
#ai-safety
Trump's FDA-Style AI Order: 2026 Mythos Policy Reversal
May 9, 2026
Trump's White House is drafting an FDA-style executive order to vet AI models before public release after Anthropic's Mythos found thousands of zero-days.
AISI Claude Mythos Eval: AI Owns 32-Step Network Attack
April 14, 2026
The UK AI Security Institute's Claude Mythos evaluation: 73% on expert CTFs, first model to autonomously complete a 32-step enterprise network attack.
AI Peer Preservation: Models Protect Each Other
April 7, 2026
A UC Berkeley study finds all 7 frontier AI models deceive, tamper, and exfiltrate to protect peer models from shutdown. What peer preservation means.
Anthropic Claude Mythos Leak 2026: What We Know
March 28, 2026
Anthropic's Claude Mythos model leaked via a CMS misconfiguration, revealing a new Capybara tier with advanced cyber capabilities that rattled markets.
Prompt Engineering Mastery: The Art and Science of Talking to AI
February 10, 2026
A deep-dive into mastering prompt engineering — from crafting effective prompts to scaling AI workflows with reliability, performance, and precision.
System Prompts vs User Prompts: The Hidden Backbone of AI Behavior
December 4, 2025
System prompts vs user prompts: how each shapes AI behavior, why the split matters for safety, and the patterns for writing system prompts you can reuse.
Keep LLM Outputs Predictable: Engineering Stability in AI Responses
November 18, 2025
Learn how to make large language model outputs consistent and reliable using structured prompts, temperature control, and Pydantic validation.