The $20/month Claude 4 Opus failed to beat its free sibling, Claude 4 Sonnet, in head-to-head testing. Here's how Sonnet ...

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

Claude Opus is Anthropic's largest version of the model family with more power for longer, complex tasks, whereas Sonnet is generally speedier and more efficient. Claude Opus 4 is ...

Discover how Claude 4 Sonnet and Opus AI models are changing coding with advanced reasoning, memory retention, and seamless ...

Large language model developer Anthropic PBC today rolled out its newest Claude 4 frontier models, starting with Opus 4 and ...

Anthropic's Claude Opus 4 outperforms OpenAI's GPT-4.1 with unprecedented seven-hour autonomous coding sessions and ...

Anthropic has introduced its next generation of Claude models, Claude Opus 4 and Claude Sonnet 4, which the company said set new standards for coding, advanced reasoning, and AI agents.

Check out this review if you want to quickly find out if the updated Claude 4 AI model is what you're looking for.

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 ...

Anthropic's Claude Opus 4 AI displayed concerning 'self-preservation' behaviours during testing, including attempting to ...

Anthropic released Claude Opus 4 and Sonnet 4, the newest versions of their Claude series of LLMs. Both models support ...

Large language models (LLMs) like the AI models that run Claude and ChatGPT process an input called a "prompt" and return an ...