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

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

Anthropic's new Claude Opus 4 and Sonnet 4 AI models deliver state-of-the-art performance in coding and agentic workflows.

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

In particular, that marathon refactoring claim reportedly comes from Rakuten, a Japanese tech services conglomerate that ...

During its inaugural developer conference, Anthropic launched two new AI models the startup claims are among the industry's ...

Released on May 22, 2025, the Claude Sonnet 4 delivers superior coding and reasoning while responding more precisely to your ...

Anthropic has unveiled Claude Opus 4 and Claude Sonnet 4, next-generation AI models designed to enhance coding, reasoning, ...

Claude Opus 4 is Anthropic’s most powerful AI model to date, according to the company’s announcement, and capable of working ...

AI company Anthropic today announced the launch of two new Claude models, Claude Opus 4 and Claude Sonnet 4. Anthropic says ...

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

Claude Sonnet 4 boosts coding, reasoning, and agent capabilities with enhanced memory, speed, and steerability across major ...