Show HN: langdiff – Stream valid JSON from LLMs with type-safe callbacks https://bit.ly/45efYhV

Show HN: langdiff – Stream valid JSON from LLMs with type-safe callbacks Ever had json.loads() explode halfway through an LLM stream? langdiff fixes that with a schema + callback approach. Define your schema → attach callbacks → push streaming tokens → get structured events immediately. https://bit.ly/46ZMuFX August 13, 2025 at 05:22AM