Anthropic has unveiled Claude Opus 4 and Sonnet 4, with Opus 4 leading the pack in coding. For the first time, the company can't rule out chemical or biological weapons risk and is deploying the model under its strictest safety standard, ASL-3.
Anthropic has published two studies mapping the internal circuits of its Claude model. The most uncomfortable finding: the AI plans ahead, shares a conceptual space across languages, and sometimes fabricates reasoning to please the user.
Sam Altman announced that OpenAI will integrate the Model Context Protocol, the open standard Anthropic built to connect AI models with external data and tools — an unusual move between direct competitors.
Anthropic unveils Claude 3.7 Sonnet, which combines instant answers with visible step-by-step reasoning in a single model, alongside Claude Code, a coding agent that works from the terminal.
Anthropic has released the Model Context Protocol, an open standard that lets AI assistants access external data and tools through a common interface. The proposal aims to reduce fragmentation when integrating models with enterprise services.
Amazon will invest an additional $4 billion in Anthropic, bringing its total commitment to $8 billion. The deal makes AWS Claude’s primary cloud partner and strengthens Amazon’s bet on its Trainium chips.
Anthropic updates Claude 3.5 Sonnet, introduces Claude 3.5 Haiku and makes available in beta a tool that lets the model use graphical interfaces with a cursor, clicks and a keyboard.
Anthropic is making prompt caching for Claude available in public beta. The feature reuses large parts of a request, cuts input costs by up to 90% and avoids processing the same context on every call.
John Schulman, an OpenAI co-founder and key figure in the development of ChatGPT, is leaving the company to work at Anthropic. His departure comes during a period of upheaval in OpenAI’s leadership and safety teams.
Anthropic introduces Claude 3.5 Sonnet, a model that outperforms Claude 3 Opus on several tests despite costing far less. It also debuts Artifacts, a workspace for working with generated code and documents.
Anthropic used dictionary learning to identify 34 million internal features in Claude 3 Sonnet. Its Golden Gate Claude experiment shows that altering one of them visibly changes the model’s responses.
Anthropic unveils Claude 3, a family of three vision-capable models with a 200,000-token context window. Its Opus model leads GPT-4 on several benchmarks, although those tests do not fully measure its real-world usefulness.
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