Originally published on AI Tech Connect.
What changed in the last 48 hours Anthropic's most advanced research model — Claude Mythos — has not been a public artefact. It has been Anthropic's strongest signal that frontier capability in reasoning, code, and offensive cybersecurity exists today but has been deliberately held back. That posture appears to be shifting. Over the past two days, the model identifier claude-mythos-1-preview has surfaced in user-facing strings inside two shipping Anthropic products: Claude Code (the agentic developer environment) and Claude Security (the vulnerability scanning and patch-suggestion service currently in public beta for Enterprise customers). The string was first noted by TestingCatalog and corroborated by BleepingComputer; it appears alongside the existing claude-opus-4-7 and claude-…
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