According to Anthropic, Claude Sonnet 4 is a significant upgrade to Claude Sonnet 3.7, offering improved coding and reasoning along with the ability to respond to instructions more precisely.

Anthropic's newest editon of its flagship AI product will address significant limitations in current large language models.

From its mastery of natural language to its ability to tackle intricate challenges with unparalleled reasoning, Claude 4 is designed to meet the demands of an increasingly complex world.

Contextual Persistence: Higher-agency systems maintain awareness of project goals across multiple interactions. While code ...

From its ability to process 1 million ... for general users who value precision and reasoning. As the AI landscape continues to evolve, Claude 4 sets a high standard for innovation, with its ...

New research from Anthropic suggests that most leading AI models exhibit a tendency to blackmail, when it's the last resort ...

Claude Opus ... while Opus 4 beats Google’s Gemini 2.5 Pro and OpenAI’s o3 and GPT-4.1 on SWE-bench Verified, which is designed to evaluate a model’s coding abilities, it can’t surpass ...

Anthropic has slammed Apple’s AI tests as flawed, arguing AI models did not fail to reason – but were wrongly judged. The ...

Anthropic's Claude Opus 4 outperforms OpenAI's GPT-4.1 with unprecedented seven-hour autonomous coding sessions and record-breaking 72.5% SWE-bench score, transforming AI from quick-response tool to ...

Claude Opus 4 is the world’s best coding model, Anthropic said. The company also released a safety report for the hybrid reasoning models ... their willingness and ability to comply with ...

The Claude Sonnet 4 comes with improved coding and reasoning performance compared ... Files API, and the ability to cache prompts for up to one hour.