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

Anthropic appears to be preparing for the public rollout of the Mythos model, which was announced in April as a restricted model that poses major security risks to private and…

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.”

Latest model is much better at admitting uncertainty

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.

The new Opus model comes with a tool called Dynamic Workflows, for coordinating swarms of subagents.

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

May 28 : Anthropic on Thursday said it is launching an upgraded Claude Opus 4.8 model even as it works to release its powerful, market-moving Mythos model to all customers in the…

Anthropic launched Claude Opus 4.8 with stronger coding tools while teasing broader Mythos access in the coming weeks.

Anthropic has released its latest AI model with Claude Opus 4.8. The new version arrives less than two months after...

Mythos is the AI lab's large language model with advanced cybersecurity capabilities that have raised concerns among executives and world leaders about its impact.

Anthropic shipped Claude Opus 4.8 today. Same price as Opus 4.7, fast mode at 2.5x speed, fast mode...

Claude Opus 4.8 brings improvements in coding and honesty, while Anthropic says Mythos-class models could reach all customers within weeks

Anthropic has slashed Opus 4.8 model fast mode costs by 3x, offering up to 2.5x speeds at $10 input and $50 output per million tokens.

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.

Claude Opus 4.8 explained: Discover the new Claude Opus 4.8 by Anthropic, featuring enhanced capabilities, competitive pricing, and how it stacks up against OpenAI's GPT-5.5 and…

Anthropic has officially launched Claude Opus 4.8 - a direct challenger to OpenAI’s GPT-5.5 and Google’s Gemini 3.1 Pro

Anthropic has today announced Claude Opus 4.8, the latest version of its AI model, with a focus on improving agentic...

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