Anthropic releases new AI model

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What’s Improved in AI Models Sonnet & Opus

Claude Sonnet 4: From reasoning to coding - Anthropic releases new AI models | All you need to know

Released on May 22, 2025, the Claude Sonnet 4 delivers superior coding and reasoning while responding more precisely to your instructions. The Claude Sonnet 4 is available on Claude for all users across the web,

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

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Anthropic Releases Claude 4, ‘the World’s Best Coding Model’

New Claude 4 AI model refactored code for 7 hours straight

Alex Albert, Anthropic's head of Claude Relations, told Ars Technica that the company chose to revive the Opus line because of growing demand for agentic AI applications. "Across all the companies out ...

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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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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 ...

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What’s Improved in AI Models Sonnet & Opus