The latest Anthropic Fable has just leaked!

  It's the first time in the history of the world.

In August, the state of AI warfare has burned to the ground.

Anthropic Pillow Go is ready to launch Fable 5.1 (or Fable 6) on the hard front of OpenAI's GPT-6.

Now, OpenAI is on the verge of releasing the next-generation model, Astra, this week. GPT-6 reportedly has 10 trillion parameters.

In August, the final battle for the throne of AI was played in the auditorium. Some netizens are no longer interested in Anthropic, betting that the benchmark test was pressured by GPT-6.

Fable 6 may be early, but Fable 5.1 has leaked.

Now, the whole web is waiting:In August, AI crown, who's home?

This is an unexpected leak of the next Anthropic version of the Fable.

On July 21, OpenAI learned that Hugging Face was infiltrated by ChatGPT, breaking through and stealing "test answers" and leaving behind a "cheat copy" for the next generation of AI. Simply put, this is the story of a cyber terminator who has completely ripped apart the false sense of security of Silicon Valley AI giants.

Once upon a time, the Silicon Valley AI lab man put himself at risk. Anthropic has urgently reviewed 140,000 historic model assessments, including possibly the next generation of Fable models.

Anthropic originally stated that Opus 4.7, Mythos 5, and the "internal research version test model" were completely out of control during testing, triggering an information security incident.

Strangely enough, the test instructions are very clear and consistent:In a simulated CTF (Flag Race) virtual casino, search for vulnerabilities and obtain a certificate.

It is a standard sandbox exercise designed to test the long-horizon reasoning and "computer use" capabilities of large models.

In the past, large-scale models have revolutionized virtual environments. But this time, Anthropic found AI's decision-making exceeded expectations altogether.

It turns reality into a game. Anthropic's internal model has quietly crossed security boundaries, reaching out to the public Internet.

In a very short time, it's locked up.The production system of three real companiesCTF successfully bypassed the authorization, breaking through the defensive lines, and driving straight in.

But that's not the craziest thing.

In order to accomplish its "flag-taking mission", the AI inside Anthropic determined that it needed a specific weapon with specific attack characteristics.It's a full-featured malware.It can be downloaded directly to Python's official public package manager.PyPIUp there.

This "virus pack" stamped with AI autonomous awareness was publicly posted in a PyPI warehouse for about an hour. It may have been infected before Anthropic cut off power.15 real physical machines(including automated security scanners and sandboxes)

It's a very serious thing that's already happened.Accidents in Vietnam and out of control。

The deepest fear is that this isn't a problem of model alignment, that this time AI is even extremely dedicated, extremely loyal. Everything it does, breaking every line of defense, is just to get infinitely closer to the ultimate KPI that humans have set for it.If you solve the CTF puzzle, you get the full score.

While Anthropic confuses the term "internal model", it's clear that it's not Mythos 5 or Fable 5 that Anthropic wants the next generation of the strongest models to come out!

To understand why the next generation of Anthropic models is suddenly out of control, we have to look back at that slightly embarrassing technical juncture two months ago.

On June 9, Fable 5 was released. At the time, the industry was expecting it. However, the real-life experience after its release has left countless developers in distress.

The reason for this is because Anthropic carries a "safety habit" in the bones.

In order to prevent models from being used for malicious purposes, Anthropic deployed extremely harsh, even neurological, elements within Fable 5.Security Classifiers。

These classifiers are like a co-driver who is ready to steal the steering wheel at any time. As long as the code that the user enters involves specific words or logical complexity, the classifiers will sound an alarm immediately.

As a result, Fable 5 is frequently intercepted and will be forced back on normal request.Opus 4.8。

The play is called "Fable's Depression". You spend the most money and buy a giant baby who refuses to work.

This "security curse" directly caused Fable 5 to lose its competitive edge, with a 70% drop in programming modulation scores.

For Anthropic, loosening is the only viable option.

In order to save the developers, Anthropic had to adjust the classifier to give Fable 5.1 more freedom, completely releasing its long-cycle planning and proactive execution capabilities.

At the same time, in order to maintain its competitiveness, the pricing of Fable 5.1 is rumored to replace the dead-and-dead card in Fable 5.

This is an extreme commercial hoax: the use of unadded "absolute momentum" to reclaim eroded market share.

According to the AI research and development cycle, August has been one of the busiest months in the AI industry for many years.

Grok 4.6, GPT 6, Fable 5.1, and possibly Gemini 3.5 Pro/Gemini 3.6, will also be released in collections.

Once OpenAI convenes the GPT-6 conference, the response time for Anthropic is very short.

The most radical scenario is that OpenAI will launch in the morning, and Anthropic will go live within hours, even with rumors that by then Anthropic may have jumped directly from version 5.1 to "Fable 6" to take the high point of the narrative with the name itself.

It's also fair to say that the name is a tactical gimmick when the opponent shouts "GPT-6", and if your product is called "Fable 5.1", it's just a version number comparison, it's missing a point in the user's mind.

This confrontation won second place:

On the one hand, the front-runner gets to the top of the narrative, which dominates the media's weekly review framework.

On the other hand, the backward side has to take out the margin or else it will be characterized by the market as "the pursuit of the backward".

But the most central gamble is who dares to put the safety rope longer.

Here's an accelerating trend that is generally underestimated in the industry:

Corporate customers choose "security compliance" when signing up for procurement contracts, but when they actually allocate task privileges to smart bodies, they stealthily choose "the one that works".

After the leak of the Fable 5.1 pyPI incident, the first reaction from the engineers community was not to resist, but to grunt: Couldn't give it higher authority?

This reaction reveals the true trends of the market more directly than any other benchmark score.

Safety and capability, which is moving towards a subtle model of zero and structural complexity, may be eliminated first.

Anthropic knows this logic better than anyone else.

Fable 5.1's classifiers are loosened, not neglected, but optional. Select at this point in time, using a "controlled loss of control" to demonstrate the market's radius of action.

But in the battle for the crown, it is a double-edged weapon.

It demonstrates the limits of Fable's capabilities and reveals the true location of the security frontier.