Anthropic's latest Claude model isn't just faster or smarter. Opus 4.8 is being pitched as more honest, more careful, and better suited to complex coding projects.

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.”

Here's how you can put Anthropic's claims to the test.