TheorIC Labs founder Harsh Gupta built LeanLLM to bring model APIs into Lean-native types, while application code still has to check model output.
By [RuntimeWire Staff](https://runtimewire.com/author/runtimewire-staff)
· Published
Primary source: [X](https://x.com/hargup13/status/2110244706139484370)
Why it matters #
LeanLLM targets the gap between formal, typed application code and the loosely bounded model APIs developers increasingly call. Its promise depends on how well Lean's checks cover the code around a model response; they do not validate the model's claims or remove the need to handle external output carefully.
Harsh Gupta (@hargup13) said in his October 14th announcement that TheorIC Labs released LeanLLM, a client library that lets Lean 4 applications call models from multiple providers through one interface.…
source & further reading
runtimewire.com — original article
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