Anthropic has rolled out Claude Opus 4.8, an upgrade that boosts performance and adds new controls for both consumers and developers.

Anthropic releases Claude Opus 4.8 with sharper judgement and fewer uncaught code flaws. Mythos-class models coming in weeks. Series H raises $65B at $965B valuation.

Anthropic's latest flagship AI model Claude Opus 4.8 arrives with sharper reasoning, tighter alignment, and a price tag that hasn't budged.

Anthropic says Opus 4.8 is “more likely to flag uncertainties.”

A Mythos-class model is expected in the coming weeks.