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‘Claude Mythos AI’ directory

See Also
Gwern
- “Sand, Rain, Wood”, Gemini-3.1-pro-preview et al 2026
- “Chapter 6, Mime Molting: What to Expect”, Claude-4.8-opus et al 2026
Links
Miscellaneous

See Also

Parent (‘Claude AI’ tag)

Gwern

“Sand, Rain, Wood”, Gemini-3.1-pro-preview et al 2026

Sand, Rain, Wood

“Chapter 6, Mime Molting: What to Expect”, Claude-4.8-opus et al 2026

Chapter 6, Mime Molting: What to Expect

Links

“Discovering Cryptographic Weaknesses With Claude”, Team 2026

Discovering cryptographic weaknesses with Claude

“Quality Non-Fiction Books Are the Antithesis of AI Slop... so I Vibe-Coded a Tool for Finding More of Them”, Breen 2026

Quality non-fiction books are the antithesis of AI slop... so I vibe-coded a tool for finding more of them

“On Kimi K3: Its Capabilities And Related Discontents”

On Kimi K3: Its Capabilities And Related Discontents

“The Super Kaleidoscope Survey”, Gwern et al 2026

The Super Kaleidoscope Survey

“Sleepcat Purrkit”, Gwern et al 2026

Sleepcat Purrkit

“Privilege”, Claude-5-Fable et al 2026

“Catatonic Drift”, Claude-5-Fable et al 2026

Catatonic Drift

“Gazing Into the Abyssinian”, Claude-5-Fable et al 2026

Gazing Into the Abyssinian

“Agentic Test Processes, LLM Benchmarks, and Other Notes on Agentic Coding from Galapagos Island [Vancouver]”, Luu 2026

Agentic test processes, LLM benchmarks, and other notes on agentic coding from Galapagos Island [Vancouver]

“How Close Are LLMs like Fable Now to Copying Scott Alexander’s Style? [Not Very]”, artifex0 2026

How close are LLMs like Fable now to copying Scott Alexander’s style? [not very]

“Claude-5-Sonnet Is Not Frontier But Has Its Uses”, Mowshowitz 2026

Claude-5-sonnet Is Not Frontier But Has Its Uses

View External Link:

https://thezvi.wordpress.com/2026/07/01/claude-sonnet-5-is-not-frontier-but-has-its-uses/

“Introducing Claude-5-Sonnet”, Anthropic 2026

Introducing Claude-5-sonnet

“Daybreak: Tools for Securing Every Organization in the World; New Tools, Partnerships, and the Full Version of GPT-5.5-Cyber to Move past Vulnerability Discovery and onto the Acceleration of End-To-End Patch Automation.”, OpenAI 2026

Daybreak: Tools for securing every organization in the world; New tools, partnerships, and the full version of GPT-5.5-Cyber to move past vulnerability discovery and onto the acceleration of end-to-end patch automation.

“Claude Fable 5 and Mythos 5: Capabilities”, Mowshowitz 2026

Claude Fable 5 and Mythos 5: Capabilities

View External Link:

https://thezvi.wordpress.com/2026/06/19/claude-fable-5-and-mythos-5-capabilities/

“The Once And Future Fable #2”, Mowshowitz 2026

The Once And Future Fable #2

View External Link:

https://thezvi.wordpress.com/2026/06/15/the-once-and-future-fable-2/

“Statement on the US Government Directive to Suspend Access to Fable 5 and Mythos 5”, Anthropic 2026

Statement on the US government directive to suspend access to Fable 5 and Mythos 5

“Claude Fable Is Relentlessly Proactive”, Willison 2026

Claude Fable is relentlessly proactive

“Mythos Is Good but Not Infallible”

Mythos is good but not infallible

“Beat The Reds With The Green Wedge”, Claude-5-Mythos et al 2026

Beat The Reds With The Green Wedge

“Who’s A Good Boy?”, Gwern et al 2026

Who’s A Good Boy?

“Samsoniad: Epic Poem of 7 Scrolls in Sibilant Verse: Seed • Sweetness • Scourge • Snares • Shears • Sockets • Stones • Songs”, Claude-5-Fable & Mollick 2026

Samsoniad: Epic Poem of 7 Scrolls in Sibilant Verse: Seed • Sweetness • Scourge • Snares • Shears • Sockets • Stones • Songs

“Claude Fable 5 and Claude Mythos 5”, Anthropic 2026

Claude Fable 5 and Claude Mythos 5

“[Fable Truesight]”, Hua 2026

[Fable truesight]

View External Link:

https://www.lesswrong.com/posts/NfgukR3HSaRq4WhyW/tim-hua-s-shortform?commentId=fSKR35e4iCv34ppQD

“What It Feels like to Work With Mythos: Claude Fable Represents Another Big Jump in AI”, Mollick 2026

What it feels like to work with Mythos: Claude Fable represents another big jump in AI

“Expanding Project Glasswing”, Anthropic 2026

Expanding Project Glasswing

“Introducing Claude Opus 4.8”, Anthropic 2026

Introducing Claude Opus 4.8

“Inside the British Lab Hunting for Dangers Lurking in AI: The Government’s AISI, Staffed by Alumni from OA and Google, Is Becoming a Model for Countries Grappling With AI’s Emerging Risks”, Satariano & Mozur 2026

Inside the British Lab Hunting for Dangers Lurking in AI: The government’s AISI, staffed by alumni from OA and Google, is becoming a model for countries grappling with AI’s emerging risks

“Project Glasswing: An Initial Update”, Anthropic 2026

Project Glasswing: An initial update

“Project Glasswing: What Mythos Showed Cloudflare”, Bourzikas 2026

Project Glasswing: what Mythos showed Cloudflare

“How Fast Is Autonomous AI Cyber Capability Advancing?”, AISI 2026

How fast is autonomous AI cyber capability advancing?

“Mythos for Offensive Security: XBOW’s Evaluation”, XBOW 2026

Mythos for Offensive Security: XBOW’s Evaluation

“Mythos Finds a Curl Vulnerability”, Sternberg 2026

Mythos finds a curl vulnerability

“Behind the Scenes Hardening Firefox With Claude Mythos Preview [More Security Bugs in April Than in past 15 Months Combined]”, Grinstead et al 2026

Behind the Scenes Hardening Firefox with Claude Mythos Preview [more security bugs in April than in past 15 months combined]

“A New Era of Security: Frontier AI Defense”, Rubin 2026

A New Era of Security: Frontier AI Defense

“LLM-Driven Security Reports Disrupt Coordinated Disclosure”, Brockmeier 2026

LLM-driven security reports disrupt coordinated disclosure

“Anthropic’s New AI Model Sets Off Global Alarms: Mythos Has Triggered Emergency Responses from Central Banks and Intelligence Agencies Globally, As Anthropic Decides Who Has Access to the Powerful Model”, Mozur & Satariano 2026

Anthropic’s New AI Model Sets Off Global Alarms: Mythos has triggered emergency responses from central banks and intelligence agencies globally, as Anthropic decides who has access to the powerful model

“NSA Using Anthropic’s Mythos despite Blacklist”, Curi & Sabin 2026

NSA using Anthropic’s Mythos despite blacklist

“[2 Sad AI-Meta Short Stories by Claude Mythos, Cf. Unslop]”, Linch & Claude-5-Mythos 2026

[2 sad AI-meta short stories by Claude Mythos, cf. Unslop]

“Claude Mythos Preview”, Carlini et al 2026

Claude Mythos Preview

“How Scary Is Claude Mythos?”

How scary is Claude Mythos?

“The CTF Scene Is Dead”

The CTF scene is dead

“[Fable Using Brainstorm Prompts to Write Weird Sun Twitter-Style Tweets]”, Claude-5-Fable & Bohdan 2026

[Fable using brainstorm prompts to write Weird Sun Twitter-style tweets]

“Our Evaluation of Claude Mythos Preview’s Cyber Capabilities”

Our evaluation of Claude Mythos Preview’s cyber capabilities

“Project Glasswing: Securing Critical Software for the AI Era”, Anthropic 2026

Project Glasswing: Securing critical software for the AI era

“[Fable Answering Game Mechanic Question by Autonomously Finding and Reverse-Engineering Source Code]”

[Fable answering game mechanic question by autonomously finding and reverse-engineering source code]

“The Korean Telecom Giant at the Center of Anthropic’s Mythos Controversy”

The Korean Telecom Giant at the Center of Anthropic’s Mythos Controversy

View External Link:

https://www.wired.com/story/sk-telecom-anthropic-mythos-export-controls/

MoonL88537

[Combining Claude-5-Fable and Talkie]

https://x.com/MoonL88537/status/2073170682330931523

Miscellaneous

[Quote Of The Day]

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[Annotation Of The Day]

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