Claude 4 AI Models Launch

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Claude, Anthropic

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

During its inaugural developer conference Thursday, Anthropic launched two new AI models that the startup claims are among the industry’s best, at least in terms of how they score on popular benchmark...

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

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

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

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

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

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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 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.

Claude 4 Sonnet, Opus AI models released with enhanced coding capabilities

Anthropic claims Claude Opus 4 can compete with GPT-4.1 and Gemini 2.5, while Sonnet 4 outperforms its predecessor in reasoning and code generation