datasette code-frequency chart on GitHub
Simon Willison · Simon Willison · 2026-07-13
Simon Willison shares a GitHub code-frequency chart for his Datasette open-source project showing a sharp spike in code-change activity that directly coincides with the availability of frontier coding agents including Opus 4.8, GPT-5.5, Fable 5, and GPT-5.6 Sol.
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Extraction
Topics: coding-agentsai-productivityopen-source-developmentgenerative-ai
Claims
- The Datasette project's GitHub code-frequency chart shows a dramatic spike in code changes that aligns with the release of Opus 4.8, GPT-5.5, Fable 5, and GPT-5.6 Sol.
- This chart represents Willison's best available personal evidence of the measurable productivity impact of frontier coding agents on his own open-source output.
Key quotes
The big spike in activity at the end aligns with Opus 4.8, GPT-5.5, Fable 5 and GPT-5.6 Sol.