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Anthropic Releases Claude 4: What’s Improved in AI Models Sonnet & Opus

Anthropic has launched two more Claude AI models: Claude Sonnet 4 and Claude Opus 4.

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CNET on MSN · 21h

What's New in Anthropic's Claude 4 Gen AI Models?

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Anthropic’s new Claude 4 AI models can reason over many steps

Anthropic's latest Claude AI models are here - and you can try one for free today

Anthropic says Claude Opus 4 is its most powerful model and the best coding model in the world, while Sonnet 4 is replacing Sonnet 3.7 in the chatbot.

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Claude 4 Debuts with Two New Models Focused on Coding and Reasoning

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Anthropic says its new AI model can work almost an entire workday straight

Anthropic adds Claude 4 security measures to limit risk of users developing weapons

The company said the move is meant "to limit the risk of Claude being misused specifically for the development or acquisition of chemical, biological, radiological, and nuclear (CBRN) weapons."

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Claude 4 AI will try to report you to authorities if it thinks you’re doing shady stuff

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Anthropic overtakes OpenAI: Claude Opus 4 codes seven hours nonstop, sets record SWE-Bench score and reshapes enterprise AI

Anthropic faces backlash to Claude 4 Opus behavior that contacts authorities, press if it thinks you’re doing something ‘egregiously immoral’

Bowman later edited his tweet and the following one in a thread to read as follows, but it still didn't convince the naysayers.

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A safety institute advised against releasing an early version of Anthropic’s Claude Opus 4 AI model

A third-party research institute Anthropic partnered with to test Claude Opus 4 recommended against deploying an early version because it tends to "scheme."

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Anthropic, now worth $61 billion, unveils its most powerful AI models yet—and they have an edge over OpenAI and Google

Claude Opus 4 and Claude Sonnet 4, Anthropic's latest generation of frontier AI models, were announced Thursday.

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Claude 4 Tests the Boundaries of Goal-oriented AI

Anthropic's newest editon of its flagship AI product will address significant limitations in current large language models.