Anecdote◆Article
The GitHub code-frequency chart for the Datasette project is the best illustration found so far of the impact of coding agents and Opus 4.5-class models on personal coding output.
Simon Willison shares a GitHub code-frequency chart for his Datasette project as the clearest evidence he's found of how coding agents and Opus 4.5-class models have changed his own output. ✦ AI generated
Simon Willison · Simon Willison's Weblog · 2026-07-13 · original ↗
Out of curiosity I decided to see if I could find a useful illustration of the impact of coding agents and Opus 4.5 class models on my own output. The best I've found so far is this GitHub chart of frequency of code changes to my Datasette open source project
Read full article ↗excerpt · fair-use quotation
- ·Simon Willison sought a clear illustration of coding agents' impact
- ·Best evidence: GitHub code-frequency chart for Datasette project
- ·Chart shows change in his own code output over time
- ·Opus 4.5-class models tied to shift in personal coding output
- ·Found while exploring impact on his own work, out of curiosity
- ·Datasette: Willison's open source project used as the test case
Around this claim