everything we build at LangChain is provider/model agnostic for these reasons! our harness is open source and easily customizable!

everything we build at LangChain is provider/model agnostic for these reasons! our harness is open source and easily customizable! On topic: there is a mistake I saw large companies make in late 2025/early 2026 which is they picked their coding model provider, chat tool, and harness and put the whole company on it. There was a big leap in model ability and folks felt confident. I have been walking into these…

Source: Harrison Chase (X) | 2026-05-14