# NEW Claude Mythos-1 Just Changed AI Forever 🤯

Page: https://stenobird.com/podcast/ai-news-today-julian-goldie-podcast-7573784/new-claude-mythos-1-just-changed-ai-forever-2
Text version: https://stenobird.com/podcast/ai-news-today-julian-goldie-podcast-7573784/new-claude-mythos-1-just-changed-ai-forever-2.md
Podcast: [AI News Today | Julian Goldie Podcast](https://stenobird.com/podcast/ai-news-today-julian-goldie-podcast-7573784)
Published: 2026-05-28T00:15:00+00:00
Episode link: https://podcasters.spotify.com/pod/show/julian-goldie9/episodes/NEW-Claude-Mythos-1-Just-Changed-AI-Forever-e3k057f
Audio file: https://anchor.fm/s/10b0edd94/podcast/play/120640175/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2026-4-27%2F425020576-44100-2-994638841eddd.mp3
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JSON: https://stenobird.com/v1/public/podcasts/ai-news-today-julian-goldie-podcast-7573784/episodes/new-claude-mythos-1-just-changed-ai-forever-2
Duration seconds: 690

## Resource

Claude Mythos-1: 23,019 Vulnerabilities Found + Sonnet 4.8 Leaks (June Release?)The script covers two major Claude updates: Mythos-1 and leaked details on Sonnet 4.8. It claims Claude Mythos Preview scanned 1,000+ open-source projects in 30 days, found 23,019 vulnerabilities (6,202 high/critical) with a 90% true-positive verification rate, including large sets of issues for Cloudflare and Firefox, and it reportedly blocked a $1.5M wire-fraud attempt at a partner bank by detecting behavioral patterns without human intervention. It describes the challenge that AI can find vulnerabilities faster than humans can patch them, Anthropic’s response via Claude Security auto-patching, and an open-sourced bug-finding pipeline, plus Cisco building a similar system. It also discusses brief sightings of Mythos-1 Preview in Claude Code/Security despite public caution, Jack Clark’s Oxford remarks on AI risk, and accidental leaks indicating Sonnet/Opus 4.8 testing in Google Vertex with an expected mid-to-late June timeframe and new reasoning improvements. 00:00 Mythos-1 and Sonnet Leaks 00:26 Mythos Scanning Results 01:05 Real World Bug Finds 01:32 Bank Fraud Stopped 02:13 Patch Backlog Problem 02:54 Claude Security Auto Patching 04:16 Mythos-1 Preview Spotted 05:05 Safety Messaging Tension 06:27 Sonnet 4.8 Leak Details 06:55 Vertex Testing Signals 07:27 Expected Sonnet 4.8 Upgrades 08:11 Big Picture Takeaways 09:09 Business Implications 09:28 Three Common Objections 10:25 How to Get Started 11:15 Final Wrap Up

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