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Anthropic launches Claude Opus 4

· 11h · on MSN

Claude Sonnet 4 and Claude Opus 4 Launch: Anthropic introduces latest AI models with enhanced coding & reasoning capabilities

Today, on 22 May 2025, Anthropic introduced the next generation of Claude models: Claude Opus 4 and Claude Sonnet 4. These models are setting new standards for coding, advanced reasoning, and AI agents.

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

Anthropic Launches Claude 4 Sonnet and Opus: Smarter AI Models for Coding and Complex Reasoning

2hon MSN

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

Amazon-backed Anthropic announced Claude Opus 4 and Claude Sonnet 4 on Thursday, touting the advanced ability of the models.

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Anthropic’s New Model Excels at Reasoning and Planning—and Has the Pokémon Skills to Prove It

When Anthropic’s older Claude model played Pokémon Red, it spent “dozens of hours” stuck in one city and had trouble ...

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Anthropic’s Claude Opus 4 Outperforms GPT-4.1 but Raises Ethical Alarms

Anthropic introduced Claude Opus 4 and Claude Sonnet 4 during its first developer conference on May 22. The company claims ...

23h

Time Magazine appears to accidentally publish embargoed story confirming new Anthropic model

Someone also appears to have published a full scrape of the Time article online on the news aggregator app Newsbreak.

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

Anthropic's most powerful model yet, Claude 4, has unwanted side effects: The AI can report you to authorities and the press.

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