Remember the story of how US authorities shut down Anthropic, the world’s most powerful neural network, midweek? Well, the denouement has arrived.
As of July 1st, export restrictions were lifted, and Fable 5 is back in action. We’ve already connected it to Chat AI
Briefly, what came back:
Fable 5 is the most powerful public Anthropic model. The new Mythos class is a level above Opus 4.8.
A monster for complex tasks: deep analysis, research, working with large documents, and non-trivial code. Since its ban, its protections have been tweaked, making it the most heavily regulated model on the market
And that’s not all. While Fable was under lock and key, Anthropic managed to roll out Sonnet 5
The Sonnet 5 is the workhorse of the new line. It’s almost as powerful as the Opus 4.8, but significantly faster and less expensive. Anthropic calls it the most “agent-based” Sonnet yet: it automatically plans, completes long tasks, and verifies its own results.
Which one should I take?
⚡️ Sonnet 5 – for everyday use: texting, coding, messaging, and routine tasks. Fast, high-quality, and cost-effective
🧠 Fable 5 - When you need the most: complex analytics, large projects, tasks where depth is more important than speed
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