Anthropic today announced the launch of its latest AI model, Claude Opus 4.8. Anthropic claims the model is a "more effective ...

Anthropic launches Opus 4.8, with honesty as its killer feature ...

Both tools have their own specialities.

Hallucinations are a big problem for AI. Anthropic says Opus 4.8 is ‘less likely’ to make stuff up.

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

Claude Opus 4.5 turned Claude Code into a must-have tool for developers, giving Anthropic a powerful opening inside large ...

Claude Opus 4.8 is Anthropic’s new flagship AI model, released May 28, 2026, and the company says it is about four times less likely than Opus 4.7 to leave flaws in its own code unflagged. Pricing ...

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 shows a growing tendency to reason explicitly about how its outputs will be graded, including in environments where it wasn't told it was being evaluated.

Anthropic launched Claude Opus 4.8 on May 28, 2026, with improved honesty, sharper agentic judgment, and three new features: user-controlled effort levels, dynamic workflows in Claude Code, and a ...

Anthropic's new Claude Fable 5 is the same base model as Mythos but with guardrails attached ...