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Anthropic launches Claude Opus 4

Anthropic’s Claude Opus 4 model can work autonomously for nearly a full workday

Anthropic kicked off its first-ever Code with Claude conference today with the announcement of a new frontier AI system. The company is calling Claude Opus 4 the best coding model in the world. According to Anthropic,

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

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Anthropic's new Claude Opus 4 can run autonomously for seven hours 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’s Promises Its New Claude AI Models Are Less Likely to Try to Deceive You

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

Anthropic's Claude Opus 4 outperforms OpenAI's GPT-4.1 with unprecedented seven-hour autonomous coding sessions and record-breaking 72.5% SWE-bench score, transforming AI from quick-response tool to day-long collaborator.

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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.

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.

Anthropic’s latest flagship AI sure seems to love using the ‘cyclone’ emoji

Anthropic's new AI model, Claude Opus 4, is a strong programmer and writer, the company claims. When talking to itself, it's also a prolific emoji user.

Claude Opus 4 is here — and it might be the smartest AI assistant yet

Anthropic has announced the release of its latest AI models, Claude Opus 4 and Claude Sonnet 4, which aim to support a wider range of professional and academic tasks beyond code generation. According to Anthropic, Claude Opus 4 is optimized for extended, focused sessions that involve complex reasoning, context retention and tool use.