Claude’s voice mode enables full spoken conversations on mobile, offering hands-free interaction and real-time responses with onscreen highlights.

Large language models (LLMs) like the AI models that run Claude and ChatGPT process an input called a "prompt" and return an output that is the most likely continuation of that prompt. System prompts are instructions that AI companies feed to the models before each conversation to establish how they should respond.

Anthropic is the company behind Claude — one of the biggest and most popular AI models in the world right now. The company recently launched its latest version of the system, known as Claude 4 Sonnet and Opus. Our own testing (and comparisons against ChatGPT) convinced us Anthropic’s newest model is one of the best AI systems to date.

Anthropic’s AI Safety Level 3 protections add a filter and limited outbound traffic to prevent anyone from stealing the entire model weights.

Anthropic has released a voice chat feature for its Claude AI assistant, now available in beta on iOS and Android devices. This addition allows users to have spoken conversations with Claude, providing a more flexible way to interact with the assistant.

Anthropic says Claude Opus 4 is its most powerful model and the best coding model in the world, while Sonnet 4 is replacing Sonnet 3.7 in the chatbot.

The latest versions of Anthropic's Claude generative AI models made their debut Thursday, including a heavier-duty model built specifically for coding and complex tasks. Anthropic launched the new Claude 4 Opus and Claude 4 Sonnet models during its Code with Claude developer conference and executives said the new tools mark a significant step forward in terms of reasoning and deep thinking skills.

Anthropic has rolled out Claude 4 Sonnet and Claude 4 Opus to its users, bringing a host of upgrades to the AI models running its chatbot.

Claude Opus 4 is Anthropic’s most powerful AI model to date, according to the company’s announcement, and capable of working continuously on long-running tasks for “several

Reed Hastings is joining Anthropic's board. Hastings also serves on the boards of Bloomberg and the City Fund.