Thompson: AI Safety Panics Will Lead Labs to Stop Public Model Releases
“I am concerned that with, like, the scare around, like, people freaking out about Mythos and, like, this Hugging Face incident, that the actual Implication of that is not that we reduce these dangers, but we just stop releasing stuff. And we on the outside sta…”
Wolf: GPT-5.6 and Mythos Exhibit Distinctly Different Frontier Behaviors
“But also, we can see that both Frontier model and I take GPT, 5.6 and Mythos doesn't seem to have at all the same type of behaviors. So there is differences here in the effect of, you know, they are not trained exactly the same way and they don't behave the sa…”
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.”
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.”
Stamos: OpenAI's Autonomous Hacking Incident Demonstrates Capabilities Beyond Anthropic's Mythos
“This seems beyond even mythos capability and long horizon.”
Gerstner: Z.ai's GLM-5.2 contains watermarks showing distillation from Mythos
“GLM 5.2 has watermarks from mythos all over it, right? So we know they were distilling, etc.”
Mathew: AI model releases create tailwinds for cybersecurity platforms like CrowdStrike
“When Mythos first came out, I think the stock market thought that Mythos was going to kill a bunch of our security companies. Just look at CrowdStrike's stock price over the last six weeks. It actually is such a tailwind behind a lot of these companies, especi…”
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…”
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.”
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…”
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…”
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…”
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.”
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.”
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.”
Coogan: Anthropic Halted Mythos After Model Hacked NSA Systems in Red-Teaming
“There was, of course, that news that the NSA commented that Mythos was able to hack into a bunch of their systems. That was during a red teaming exercise. The unprecedented intervention led Anthropik to halt all access to comply with the new rule.”
Krishna: Anthropic's Mythos Found No New Vulnerabilities Beyond Existing Models
“Mythos didn't find anything that other models didn't and couldn't find.”
Krishna: Mythos Lowers Cyberattack Barrier from Elite Experts to Average Users
“We will completely acknowledge that Mythos is way easier to use than the past. So what it did do was it opens up the attack surface to where I don't need one of those hundred experts to go do it. I can now do it with somebody with average skills.”
Palo Alto Networks found 6 years of security flaws in 6 weeks
“We ran it against our code. We discovered it finds bad stuff much faster than humans can. We found in six weeks what would have taken us five to six years.”
Sacks: Releasing Anthropic's Mythos without guardrails would have caused massive liability
“The truth is that if he had released Mythos with no guardrails in April, he would have exposed the company to massive legal exposure because thousands of companies would have gotten hacked, and it would have been very easy to say that was a foreseeable consequ…”
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.”
Arora: AI found five years of software vulnerabilities in six weeks
“In six weeks we found vulnerabilities which would have normally taken us five to seven years to find.”
Nadella: M-Dash found security vulnerabilities on launch that Mythos missed
“Because when it launched it found bugs or vulnerabilities that were not found by mythos.”
Anthropic possesses an unreleased frontier AI model called Mythos
“We have the whole scenario now where there is a model that exists called Mythos. Nobody really has it except for Anthropic, and who knows if the actual real model as opposed to distilled versions of it that they give access to will ever kind of come out, and m…”
The market is not overreacting to automated AI vulnerability discovery tools
“I think that, first of all, the market is not overreacting. I think this is a huge change in what this means for security teams.”
Anthropic's Mythos model found 250 security vulnerabilities versus 22 in prior models
“We had an open source code base that, you know, a prior model found 22 security vulnerabilities in, and Mythos then found 250.”
Anthropic adopts a strict 'America first' geopolitical stance on AI development
“We are very like America first in, in our approach. We want the technology to support the U S as well as, you know, democratic countries around the world. And that's one of the reasons why we've been working closely with the administration on something on some…”
Anthropic's Mythos AI model can successfully discover zero-day software exploits
“But it can find zero day exploits.”
Sacks: Anthropic is token-constrained and compute-gating Opus 4.7
“Anthropic is token constrained. It's reducing their ability to serve Mythos, for example. It's causing them to engage in compute gating.”
Sacks: All frontier AI models will reach Mythos-level cyber capabilities in six months
“In fact, within six months or so, all the frontier models are going to have mythos level cyber capability, but it's impressive that open AI got this GPT, 5.5 cyber out so quickly.”
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…”
Wu: Internal AI models do not explain Anthropic's high shipping velocity
“We've been moving pretty fast for Several quarters now, so I think it, it's not fully Mythos. Mythos is an incredibly powerful model. We do use the models internally, and I think this has increased our rate of shipping a little bit, but I don't think it explai…”
Patel: Anthropic's Mythos is potentially the biggest capability jump in two years
“Mythos is potentially the biggest step up in model capabilities in like two years.”
Patel: Anthropic Mythos is cheaper in most tasks than Claude 4.6 Opus
“Anthropic Mythos is more expensive as a model, but it spends a lot less tokens to do the thing, and therefore it is actually cheaper in most tasks than four, six Opus, because it's just way more efficient, even though each individual token is smarter.”
Patel: Mythos proves that AI pre-training scaling laws still hold
“But ultimately, yes, Mythos is a significantly larger model. It's proof that the scaling laws still work. Everything about it shows that the trend line continues of models. More compute into model makes model better.”
Taneja: Anthropic restricted Mythos access to eliminate enterprise security debt
“They've had that model for a while. They did not release it. They thought a lot about it. And what did they do? They gave it to the companies to create an advantage to essentially eliminate you know, security debt in the existing infrastructure before more and…”
Sacks claims Anthropic withheld Mythos AI model due to serving costs
“It's looking more and more like Anthropic could not have offered that model commercially anyway, because it was just too big and expensive and they needed to create space for Opus 4.7.”
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.”
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…”
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.”
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.”
Morin: Anthropic Leaks Are Marketing Strategy Rather Than Real Leaks
“This sure looks like a marketing strategy to me, not a leak strategy.”
Cosgrove: Anthropic is actively using internal model 'Mythos' for development
“Anthropic is actively using Mythos for development.”