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AI Newsletter: New releases from ellmer, shinychat, and commons

https://opensource.posit.co/blog/2026-09-18_ai-newsletter/

Published: September 18, 2026 00:00

Subscribe to the AI Newsletter! The AI newsletter is published as an RSS feed. Follow it in your favorite reader: Subscribe via RSS Want the newsletter as an email? Paste the feed URL, https://opensource.posit.co/tags/ai-newsletter/index.xml, into a free…

AI Newsletter: You probably don't want to fine-tune

https://opensource.posit.co/blog/2026-09-04_ai-newsletter/

Published: September 4, 2026 00:00

Subscribe to the AI Newsletter! The AI newsletter is published as an RSS feed. Follow it in your favorite reader: Subscribe via RSS Want the newsletter as an email? Paste the feed URL, https://opensource.posit.co/tags/ai-newsletter/index.xml, into a free…

AI Newsletter: How to choose a model

https://opensource.posit.co/blog/2026-08-14_ai-newsletter/

Published: August 14, 2026 00:00

Subscribe to the AI Newsletter! The AI newsletter is published as an RSS feed. Follow it in your favorite reader: Subscribe via RSS Want the newsletter as an email? Paste the feed URL — https://opensource.posit.co/tags/ai-newsletter/index.xml — into a free…

AI Newsletter: EDA log in Posit Assistant

https://opensource.posit.co/blog/2026-07-31_ai-newsletter/

Published: July 31, 2026 00:00

Subscribe to the AI Newsletter! The AI newsletter is now published as an RSS feed. Follow it in your favorite reader: Subscribe via RSS Want the newsletter as an email? Paste the feed URL — https://opensource.posit.co/tags/ai-newsletter/index.xml — into a…

AI Newsletter: LLMs often miss subtle visual artifacts in data visualizations

https://opensource.posit.co/blog/2026-07-17_ai-newsletter/

Published: July 17, 2026 00:00

Imagine that you receive some patient data and load it into R or Python for the first time. You make a couple plots to get a sense of the data before coming across this one: Huh. It mostly looks normal, except there’s a few points perfectly aligned with…

AI Newsletter: AGENTS.md vs Skills vs MCP servers

https://opensource.posit.co/blog/2026-07-03_ai-newsletter/

Published: July 3, 2026 00:00

Prompt, AGENTS.md, skill, or MCP server? There are a variety of ways to give a coding agent new information or abilities, but it can be confusing when to use each one. Generally, with coding agents like Claude Code or Posit Assistant, you can: Write…

AI Newsletter: LLMs are getting much better at interpreting counterintuitive plots

https://opensource.posit.co/blog/2026-06-19_ai-newsletter/

Published: June 19, 2026 00:00

Around a year ago, we noticed a concerning behavior in the LLMs we built agents for data analysis with: when models were asked to make and interpret a plot that showed a counterintuitive trend, the models did not faithfully interpret the plot. Initial…

AI Newsletter: Gemma 4 in Posit Assistant

https://opensource.posit.co/blog/2026-05-22_ai-newsletter/

Published: May 22, 2026 00:00

External news Through 2023 and 2024, the dominant narrative on AI token pricing was that the cost to use AI was dramatically decreasing and would continue to do so. However, in the last year, that trend is reversing course. On Tuesday, Google released…

AI Newsletter: A Data Cleaning Mode for Posit Assistant

https://opensource.posit.co/blog/2026-05-08_ai-newsletter/

Published: May 8, 2026 00:00

Posit news The latest release of Posit Assistant includes a Data Cleaning Mode. When Posit Assistant enters the mode, it spends time identifying and fixing data quality issues and preparing your data for analysis. When certain decisions (e.g., how to…

2026-04-24 AI Newsletter

https://opensource.posit.co/blog/2026-04-24_ai-newsletter/

Published: April 24, 2026 00:00

The AI newsletter has moved! From this edition forward, we’ll be publishing here, on the Open Source website. You can read past editions on the main Posit blog. External news AI and cybersecurity Anthropic recently announced Project Glasswing, an effort…