Using Codex and Claude to build a verified SQLite-compatible DB engine

OfirPress · x · 2026-08-18

The author used 100M tokens with Codex and Claude to generate SQLeanite, a verified database engine bidirectionally byte-compatible with SQLite. While it runs 2-10x slower than SQLite, it demonstrates the potential of agents in implementing complex, verified systems.

Related event: AI Writes Lean 4 SQLite-Compatible Database Engine SQLeanite(2 posts)→

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