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simonpcouch/gemini-3-ellmer.md

Last active November 24, 2025 10:13
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Connecting to Gemini 3 Pro with ellmer
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gemini-3-ellmer.md

Gemini 3 Pro with ellmer

In case folks want to try Gemini 3 Pro with ellmer, the package required some changes to work with a change in Gemini's API. A patch can be installed with pak::pak("tidyverse/ellmer"), then the connection code is:

gemini_3 <- chat_google_gemini(model = "gemini-3-pro-preview")

You might want to turn down the reasoning for some tasks—it takes a good while:

gemini_3 <- chat_google_gemini(
  model = "gemini-3-pro-preview",
  api_args = list(
    generationConfig = list(thinkingConfig = list(thinkingLevel = "low"))
  )
)

If you want to try it out with side::kick(), an experimental coding agent for RStudio, install with pak::pak("simonpcouch/side") and then:

side::kick(gemini_3)
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