ellmer 0.4.0 includes important lifecycle updates, new Claude features (caching, file uploads, web tools), OpenAI improvements, and enhancements to error handling, pricing tracking, and security. Read more ...

The newest version of ellmer introduces a simpler chat() interface that can works with any provider, a bunch of improvements to tool calling, and a handful of smaller quality of life improvements. Read more ...

The newly released mcptools package makes coding assistants better at writing R code and applications built with ellmer more powerful. Read more ...

The first release of vitals, a package for large language model evaluation in R, just made it to CRAN. Read more ...

ellmer 0.2.0 lands with a swag of upgrades: Garrick Aden‑Buie joins the team, we make a couple of breaking changes, and add serious scale with parallel_chat() and batch_chat(). A new params() helper standardises model settings across providers and chats now report how much they cost. The release also tidies chat_* names, bumps default models and adds Hugging Face, Mistral AI, and Portkey connectors. Read more ...

We’ve been experimenting with LLM-powered tools to streamline R data science and package development. Read more ...