Usually, when a company creates a revolutionary product, it rushes to sell it. Anthropic did the opposite with Claude Mythos: the company decided not to make its most skilled artificial intelligence for security public. A rare, almost counterintuitive choice that speaks volumes about the power of this AI.
Why keep such a powerful tool locked away? The answer is both fascinating and reassuring. We'll explain it simply.
Quick answer: Anthropic doesn't make Claude Mythos public because his cybersecurity and biology capabilities are advanced enough to be misused, for example, to create cyberattacks. The model is reserved for a small group of vetted partners. For the general public, Anthropic instead launched Fable 5, a version with safeguards that block dangerous uses.
1. A double-edged sword
Claude Mythos is exceptional at finding security vulnerabilities. This is precisely what makes him so dangerous. The same talent that helps protect software could, in the wrong hands, be used to attack it.
Anthropic has made it clear: the model's cybersecurity and biological capabilities are advanced enough to be misused, potentially facilitating cyberattacks or other dangerous activities. Faced with this risk, the company has opted for caution rather than rushing to launch.

2. Reserved for verified partners
Rather than a traditional marketing approach, Mythos is entrusted to a select group of trusted organizations. The goal is not to sell, but to secure the world's most critical software before criminals can exploit it.
- Limited access to carefully selected partners.
- Controlled use, geared towards defense and correction of vulnerabilities.
- There is a stated intention to broaden access later, cautiously.
3. Fable 5: the public and secure version
Anthropic didn't want to deprive everyone of this new generation of intelligence. The solution: create Fable 5, a similar model, but with safeguards that limit its performance in high-risk areas. As a result, the general public benefits from a very powerful AI, without the dangerous aspects.
This is a good example of responsible deployment: we keep the useful power, we remove the risky power.

4. Why this choice is reassuring
Seeing a company deliberately slow down the rollout of such a capable technology is rare and actually quite healthy. It shows that the issue of security is being taken seriously from the outset, even before the product reaches the market.
For businesses, the message is clear: the race for power is now accompanied by a race for responsibility. And that's a good thing.
Frequently Asked Questions
Why is Claude Mythos not a public figure?
Because its cybersecurity and biology capabilities could be misused for malicious purposes, Anthropic prefers to reserve it for verified partners.
Who can access Claude Mythos?
Only a small group of trusted organizations selected by Anthropic, with the aim of opening access more widely in the future.
How can the general public benefit from this?
Thanks to Fable 5, a model of the same class but secure, which blocks risky uses while retaining a large part of the power.
IT support that puts security first
The best AI companies put security at the heart of their decisions. Your SME deserves the same approach. Discover our IT services or contact OKTO Solutions in Trois-Rivières to discuss your needs.
Sources: Anthropic · Axios · CNBC · OKTO Solutions
