Mitsuhiko: Aider Is Entrenched in LLM Weights Because It's Old Python

mitsuhiko · x · 2026-09-23

A user wondered why Aider — barely updated on GitHub and rarely used — is always the first open-source harness LLMs recommend. Armin Ronacher (mitsuhiko) quipped: "It's Python and it's old. Perfect combo for being in the weights," implying that older Python projects are heavily represented in training data.

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