Anthropic launches powerful new models ahead of Wall Street debut

Detailed summary

Anthropic announced on Monday that it would release updated versions of two of its most powerful artificial intelligence (AI) models as the company prepares for a highly anticipated IPO this month.

The new models, Fable 5.2 and Mythos 5.2, can perform up to 30% faster than previous versions, particularly on complex tasks such as coding, while costing 20% less, the company said.

Both are built on the same underlying model. Fable 5.2 has safeguards that block most cybersecurity and biology tasks, which lets Anthropic offer it to all users.

Mythos 5.2 has fewer of those restrictions and is available only to vetted organizations working in cybersecurity or biomedical research.

The first versions of Fable and Mythos were released under a cloud of controversy.

Both models were pulled days after their June launch, when the US Commerce Department, citing national security concerns, ordered Anthropic to bar access by foreign nationals. The controls were lifted weeks later.

The latest versions come as Anthropic is aiming to hold its initial public offering the week of November 16, when it is expected to raise up to $100 billion, which would make it the largest IPO on record.

The San Francisco-based lab's Wall Street debut is expected to fetch a valuation exceeding $1 trillion, though estimates have fallen in recent weeks from a high of $2 trillion.

The stock market debut is being seen as a gauge of how long the AI spending boom lifting the US economy can last.

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