Send us Fan Mail This week on Sidecar Sync, Amith Nagarajan and Mallory Mejias unpack a whirlwind of Claude news, from Anthropic’s accidental “Mythos” leak and what it could signal about the next major leap in AI capability, to the increasingly practical reality of Claude using your computer to complete real tasks on your behalf. They also dig into Mistral’s new open-weight text-to-speech model, the growing cybersecurity implications of more powerful frontier models, and what all of this mean...