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

I tested Opus 4.8 against 4.7 using coding, medical, finance, and legal traps, then cross-checked the results with multiple ...

Opus 4.8 shows a growing tendency to reason explicitly about how its outputs will be graded, including in environments where ...

Anthropic has released Claude Opus 4.8 with improved performance. It's also adding a host of new features for Claude users.

Claude Opus 4.8 appears in Anthropic’s desktop app & Claude Code: Latest leaks, expected improvements over Opus 4.7, & what ...

Anthropic describes Claude Opus 4.8 as having “sharper judgement, more honesty about its progress, and the ability to work ...

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.

Opus 4.8 fixes the laziness of 4.7. Explore the May 2026 Claude Code update, including improved autonomy and token efficiency.