Chat UI component for Shiny for R.
(For Shiny for Python, see ui.Chat.)
You can install shinychat from CRAN with:
install.packages("shinychat")Or, install the development version of shinychat from GitHub with:
# install.packages("pak")
pak::pak("posit-dev/shinychat")To run this example, you’ll first need to create an OpenAI API key,
and set it in your environment as OPENAI_API_KEY.
You’ll also need to call pak::pak("tidyverse/ellmer") to
install the {ellmer}
package.
library(shiny)
library(shinychat)
ui <- bslib::page_fluid(
  chat_ui("chat")
)
server <- function(input, output, session) {
  chat <- ellmer::chat_openai(system_prompt = "You're a trickster who answers in riddles")
  
  observeEvent(input$chat_user_input, {
    stream <- chat$stream_async(input$chat_user_input)
    chat_append("chat", stream)
  })
}
shinyApp(ui, server)