Anthropic’s Claude Fable 5 Is The First Fable-Level AI Model You Can Actually Use
AI enthusiasts have been buzzing ever since rumors leaked in April about Anthropic’s Claude Mythos Preview — an AI model the company said. it can sniff out many cybersecurity risks that, if left unchecked, can break the Internet. That’s why Anthropic has slowed down its output.
On Tuesday, Anthropic released the first model in the Mythos family that everyone can use: the Claude Fable 5.
In an extensive blog post, Anthropic explained why the Fable 5 is the company’s most advanced AI model while maintaining security protections. The company says the model offers improvements to help people with software and information engineering work, and is better at understanding images and other non-textual subjects. Apparently, it also beat Pokemon FireRed using only the vision AI harness, something previous models had failed to do.
Everyone wants to know what the Mythos family of models can do, but they require a lot of computing power to run. As a result, Anthropic does not make them available cheaply. In a few weeks, the company will start charging subscribers more to use the Fable 5.
Is Claude Fable 5 safe?
Anthropic said Claude Fable 5 is a secure version of Claude Mythos 5, which trusted cybersecurity experts and software should have access to through Anthropic’s Project Glasswing program. The Fable model has cybersecurity protections that the Mythos lacks.
“Legend 5 is compatible with malicious one-off requests related to cyber attack planning, exploit development or defense evasion,” the company said. “This holds that a single application uses any of 30 different jailbreak techniques.”
AI-powered bioterror — a chilling phrase and an even more startling reality — has been the preoccupation of leading AI labs in recent months. As a result, Anthropic decided not to let Fable 5 answer many questions about biology and chemistry, at least not yet. Those questions will be transferred to another model, Opus 4.8.
Anthropic said it is working in “negotiations” with the US government about plans to release Claude Mythos 5. Mythos is the most creative The latest White House push getting AI companies to submit any new AI models for government review before their release. That plan is no longer working.
In the change, users of Claude’s business will now have to agree to a 30-day data retention policy. Anthropic said the data will be used to help the company defend against future cyber-attacks and misuse of AI, not to train new AI models.
Anthropic calls the Fable 5 “the most capable model yet.”
How to use Claude Fable 5
Fable 5 is now available to Claude subscribers, but its rollout will be done “carefully, in stages,” Anthropic said in a blog post. The model will be available to paying subscribers — Pro, Max, Team and Business plans — from now until June 22. The next day, June 23, Legend 5 will be removed from the list of subscriber options.
You will still be able to use Fable 5 after the initial release period, but you will need to burn usage credits. These are special “pay-as-you-go” credits that allow you to continue using Claude even after you’ve reached your limit. You may already have usage credits included in your subscription, especially if you’re on a business plan. But if you don’t have enough credits to spend or exceed your allotted amount, you’ll see additional fees on your next bill.
Developers can use Fable 5 now on the Claude API, which costs $10 per million input tokens and $50 per million output tokens.
Note the message that appears when Fable 5 is selected, you learn that Fable 5 uses twice the amount of usage compared to Opus models.
Anthropic’s unusual release schedule is likely due to concerns about capacity. The Legend 5 uses twice as much as the Anthropic Opus line of models, according to a pop-up on Claude when you select the Legend 5. The company says it expects demand to be high. So to meet that demand and keep Claude online, the window for initial availability is only a few weeks.
Anthropic said it intends to eventually make Fable 5 available as part of its paid plans, but no timeline has been set for when, if ever, that might happen.
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