LibraryDesignBench tests whether AI agents can design and effectively use code libraries

a1zhang · x · 2026-10-01

GOrlanski et al. introduce LibraryDesignBench: one agent designs a library, and other agents write programs with it, measuring whether agents can effectively both design and consume libraries. As more libraries are now agent-written, the authors argue tracking this behavior matters — a good library should let future agents write correct programs with less code.

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