Greetings from a flight to my littlest brother’s bachelor party. Hopefully I will not talk about AI at all this weekend.

I re-started this newsletter in part because of a discussion with a friend about how he thought use of LLMs was going to impact open source tooling—something I wanted to understand more deeply. This layered on top of a lot of my longstanding concerns about the economic and regulatory dynamics of open. 

Increasingly, though, I’m wondering to what extent LLMs are going to change open’s social dynamics. Not the obvious ones like “are there too many pull requests”, but deeper ones. A couple of things in particular are nudging me in this direction this week.

  • Sycophancy reducing collaboration: Some interesting new research suggests that one effect of sycophantic LLMs is that it makes people worse at collaborating. That’s got very scary implications for all of society, of course, but it seems particularly likely to afflict open. Full paper; thread:

Next, we tested the effects of sycophancy. We find that even a single interaction with sycophantic AI increased users’ conviction that they were right and reduced their willingness to apologize. This held both in controlled, hypothetical vignettes and live conversations about real conflicts.

Myra Cheng (@myra.bsky.social) 2025-10-03T22:55:01.728Z
  • Skills gap? In a long piece on how he is using agents right now, Simon Willison made a throw-away comment that LLM coding tools are now very good at understanding complex code bases. Just a few hours earlier, I’d read an email from a new maintainer lamenting that “as you know, learning a new codebase is hard”. If a (laudable!) commitment to purely open tools puts smart, hard-working open developers at a disadvantage… that would be a shame.

This is going to be the slowest-developing, and hardest-to-predict, type of change in the next few years. But of course also the most important.

Open experience & culture

How LLMs are changing the culture and lived experience of open source communities

  • Dan Davies has an interesting thought experiment on what we do and don’t trust LLMs to do, with a focus on middle managers. I wouldn’t normally compare open source developers to middle managers, but FOSS often asks developers to wear many different hats—code, marketing, documentation, funding, etc. “Which of those do even the most LLM-forward developers trust LLMs to do” would be a very interesting survey to run.
  • LLM translation is a “wicked problem” for smaller languages on Wikipedia: This is a well-researched article on how machine translation can be very, very problematic for smaller languages on Wikipedia—in part because people think they’re helping by translating stuff… but the translations are very bad. Meta point: the impact of LLMs on “open” is going to vary widely; it’s not even consistent between Wikipedia’s languages, much less open more broadly.

Infrastructure for open development

How LLMs are changing the technical infrastructure and tooling of open development

  • Symposium, a tool for agent-centric coding workflows: This is a cool-looking, open source, experiment in what UX might look like for organizing coding around AI agents. No idea if this is The One, but it’s pretty clear we’re in a time where there could be a potential paradigm shift akin to the jump from text editors to IDEs—and it’ll be interesting to see if open is a leader, fast follower, or completely misses the boat.
  • Curl gets an AI assistant: Daniel Stenberg of curl has been a pretty aggressive critic of LLM-generated pull requests, and with good reasons. But someone used curl’s code as a testbed for LLM-aided security vetting… and so far Daniel has integrated almost 50 changes as a result. That’s a real acid test, passed.
  • The Return of Micropayments: Cloudflare and Coinbase, among others, are trying to bring micropayments back, in part as a response to LLM scraping. Will be interesting to see both (1) if this works in the non-code context and (2) if it does, what that might signal for reuse of code.

Access and barriers

How AI is changing who can participate in open source and what barriers remain

Power and Centralization

everyone: we want sovereign data and an EU technology industry EU: we have a technology industry at home that can do sovereign data everyone: technology industry or just SAP again?

Scary Mary Branscombe (@marypcbuk.bsky.social) 2025-09-24T20:04:06.925Z

Outside the bubble