Mythos

18 statements across 7 episodes · 5 bullish · 7 bearish · 3 people on the record · first statement Apr 13, 2026 by Alex Kantrowitz · said 105 times in 14 episodes since 2026 · across every show →

Mentions by year

brought up most by Alex Kantrowitz (65), Alex Stamos (21), Ranjan Roy (12), Snehal Antani (3), M.G. Siegler (2), Nick Bostrom (1), Mike Krieger (1)

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Everything said about Mythos, oldest first

Apr 13, 2026 neutral
Assertion Supported
Kantrowitz: Anthropic Is Giving Microsoft Mythos Only to Test, Not Resell
“Anthropic isn't giving Microsoft mythos to sell through Azure. It's giving Microsoft mythos to test.”
Alex Kantrowitz Apr 13, 2026 ▶ 22:27 Anthropic’s Mythos Dilemma, Violence Against AI, Tokenmaxxing at Meta
Apr 13, 2026 negative
Assertion Supported
Kantrowitz: Anthropic extrapolated thousands of Mythos bugs from 198 manual reviews
“Ananthropic states it can't actually confirm all the thousands of bugs that Mythos claims to have found are actually critical security vulnerabilities. It's just extrapolated, extrapolated that number from having found, found it in around 90% of these 198 manu…”
Alex Kantrowitz Apr 13, 2026 ▶ 11:28 Anthropic’s Mythos Dilemma, Violence Against AI, Tokenmaxxing at Meta
Apr 13, 2026 neutral
Assertion Supported
Roy: Anthropic and OpenAI model codenames are Mythos and Spud
“While Anthropik's codename for their kind of like incredible model is Mythos, OpenAI's codename internally for their next model is Spud.”
Ranjan Roy Apr 13, 2026 ▶ 28:14 Anthropic’s Mythos Dilemma, Violence Against AI, Tokenmaxxing at Meta
Apr 13, 2026 neutral
Assertion Supported
Anthropic previews Mythos model to around 50 critical infrastructure organizations
“The company is making a preview model of its new AI model called Mythos, available to about 50 companies and organizations that maintain critical infrastructure, including Amazon, Microsoft, Apple, Alphabet, and the Linux Foundation.”
Alex Kantrowitz Apr 13, 2026 ▶ 1:59 Anthropic’s Mythos Dilemma, Violence Against AI, Tokenmaxxing at Meta
Apr 27, 2026 negative
Assertion Supported
Roy: Third-party contractors breached Anthropic's Mythos model via target URL
“This week, Bloomberg reported there was a breach for Mythos, where an unauthorized group, they tried a number of different strategies and were able to gain access to the model. They work for a third-party contractor that works for Anthropic. And the way they d…”
Ranjan Roy Apr 27, 2026 ▶ 26:56 Apple After Tim Cook, OpenAI’s New Mojo, Meta’s Internal Tracking Escapade
May 11, 2026 bullish
Assertion Supported
Anthropic's Mythos AI model can successfully discover zero-day software exploits
“But it can find zero day exploits.”
Alex Kantrowitz May 11, 2026 ▶ 34:42 The Unlikely Anthropic & SpaceX Marriage, OpenAI Trial Revelations, AI Layoffs Or Cope?
Jun 15, 2026 negative
Opinion
Roy: Anthropic's Fable safety warnings are largely a marketing strategy
“I feel there's, like, A large element of marketing into the way Anthropic has kind of communicated around Mythos and now Fable Five.”
Ranjan Roy Jun 15, 2026 ▶ 22:28 SpaceX’s IPO Triumph, Anthropic’s Fable Fumble, OpenAI’s Price War
Jun 28, 2026 neutral
Assertion Supported
Anthropic pulled Fable and Mythos rather than seeking a restraining order
“Anthropic decides to actually follow through instead of immediately getting a temporary restraining order, and they, because they have no ability to make sure that no foreign citizen is, is seeing the models actually pulls them down. Both Mythos which was priv…”
Alex Stamos Jun 28, 2026 ▶ 2:05 AI’s True Cyber Risk: Fable, Mythos, China, and The Rest — With Alex Stamos
Jun 28, 2026 negative
Opinion
Anthropic's warnings around dangerous AI models are coordinated PR stunts
“I think the reason I get so suspect on it is how perfectly coordinate coordinated a lot of the marketing and communications are. Around how they roll these out. Like, again, mythos is the most dangerous thing. There's someone eating a sandwich in a park that a…”
Ranjan Roy Jun 28, 2026 ▶ 3:14 AI’s True Cyber Risk: Fable, Mythos, China, and The Rest — With Alex Stamos
Jun 28, 2026 positive
Assertion Supported
Anthropic's Mythos leads all known public cybersecurity benchmark evaluations
“So mythos is almost it is. The best bug finding model that we know about for sure. It is most likely the best bug finding model in the world. And I say most likely because we do not know what the Chinese secretly have in their labs. But for all the stuff for w…”
Alex Stamos Jun 28, 2026 ▶ 4:10 AI’s True Cyber Risk: Fable, Mythos, China, and The Rest — With Alex Stamos
Jun 28, 2026 neutral
Assertion Not checkable as stated
OpenAI is rumored to release a Mythos-quality cybersecurity model soon
“Open AI is rumored to be releasing something that's mythos quality really soon.”
Alex Stamos Jun 28, 2026 ▶ 10:39 AI’s True Cyber Risk: Fable, Mythos, China, and The Rest — With Alex Stamos
Jun 28, 2026 bullish
Prediction Not checkable as stated
Claude Opus 4.8 will catch 70% of important cybersecurity bugs
“Use Opus four eight right now, and I guarantee you'll get 70% of the bugs you care about.”
Alex Stamos Jun 28, 2026 ▶ 15:56 AI’s True Cyber Risk: Fable, Mythos, China, and The Rest — With Alex Stamos
Jun 28, 2026 negative
Assertion Supported
Commerce Department export controls barred foreign Anthropic developers from their models
“The Commerce Department signs an order saying that the models are designated export controlled and that no foreigner, including the Foreign citizens who worked and actually built the models themselves can touch them.”
Alex Stamos Jun 28, 2026 ▶ 1:44 AI’s True Cyber Risk: Fable, Mythos, China, and The Rest — With Alex Stamos
Jun 28, 2026 negative
Opinion
Anthropic's Glasswing access gating excluded critical infrastructure operators
“In the case of glass wing, I think it was honestly it. I thought it was not widespread enough. I know of like critical infrastructure companies that don't have access to mythos right now.”
Alex Stamos Jun 28, 2026 ▶ 12:22 AI’s True Cyber Risk: Fable, Mythos, China, and The Rest — With Alex Stamos
Jun 29, 2026 positive
Assertion Supported
OpenAI GPT-5.6 Matches Anthropic Mythos on Exploit Bench at Double Efficiency
“So they ran GPT, 5.6 through a test called exploit bench and the cap, the capabilities were basically on par with mythos. And this is obviously a cybersecurity test, but mythos is much less token efficient. So mythos do something like 300,000 tokens for the fo…”
Alex Kantrowitz Jun 29, 2026 ▶ 21:21 Mythos is Back, OpenAI Releases GPT 5.6, Apple’s Price Increases
Jul 22, 2026 neutral
Assertion Contradicted
Stamos: Anthropic Restricted Fable From Long-Horizon Cyber Tasks Allowed in Mythos
“Explicitly Anthropic said. We will allow Fable to do short horizon stuff, but we will not allow it to do the long horizon stuff that, that Mythos does.”
Alex Stamos Jul 22, 2026 ▶ 38:21 OpenAI's Bots Break Containment and Hack Hugging Face Autonomously — With Alex Stamos
Jul 22, 2026 negative
Assertion Not checkable as stated
Stamos: OpenAI Staff Hated Anthropic's 'Mythos' Marketing and Feared Industry Backlash
“Every single one of them absolutely hated anthropics marketing around mythos and thought it put the entire industry at risk.”
Alex Stamos Jul 22, 2026 ▶ 34:57 OpenAI's Bots Break Containment and Hack Hugging Face Autonomously — With Alex Stamos
Jul 22, 2026 positive
Opinion
Stamos: OpenAI's Autonomous Hacking Incident Demonstrates Capabilities Beyond Anthropic's Mythos
“This seems beyond even mythos capability and long horizon.”
Alex Stamos Jul 22, 2026 ▶ 39:00 OpenAI's Bots Break Containment and Hack Hugging Face Autonomously — With Alex Stamos
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