Anthropic Reportedly Unveils Claude Fable 5.2 and Mythos 5.2 With Upgrades in Coding, Science and Cybersecurity

Anthropic has reportedly unveiled two new models, Claude Fable 5.2 and Mythos 5.2, which it says bring major upgrades in coding, scientific research and cybersecurity. The announcement was relayed through a brief prediction-market account's social media post. The research available for this report did not include an official Anthropic release, product page or independent coverage confirming the launch, so the details below reflect the claim as reported rather than a verified company statement.