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Anthropic, Claude Opus

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.

TechRepublic · 2d

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

Free, Pro, Max, Team, and Enterprise Claude plans can access Claude Sonnet 4 and Opus 4 now, with an extended thinking mode in beta.

Lifehacker · 1d

Anthropic’s Promises Its New Claude AI Models Are Less Likely to Try to Deceive You

Anthropic has rolled out Claude 4 Sonnet and Claude 4 Opus to its users, bringing a host of upgrades to the AI models running its chatbot.

1d

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.

3don MSN

What is Claude? Everything you need to know about Anthropic's AI powerhouse

Constitutional AI framework. Instead of relying on hidden human feedback, Claude evaluates its own responses against a ...

1don MSN

Anthropic's New AI Model Blackmails Engineer Having An Affair To Avoid Shutdown

Facing an existential crisis, the Opus 4 model blackmailed the engineer by threatening to "reveal the affair if the ...

3d

The Most Powerful AI Chatbots for 2025

Looking for the best AI chatbots? Explore our expert recommendations and detailed reviews to help you choose the right AI assistant for your needs.

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