How to try Claude Opus 4.8, the 'honest' Anthropic AI

Anthropic has launched Claude Opus 4.8, an upgrade to Opus 4.7 with improved collaboration, judgment, and honesty.

The company says the model reduces unsupported claims and uncertainty, aiming to lower hallucinations in high-stakes work like coding.

Claude Opus 4.8 is now available on Claude.AI, the API, and partner platforms including Microsoft Foundry.

Pricing stays unchanged, while fast mode is now cheaper.