LangChain

@langchain · Twitter · 2026-08-03 16:56 UTC

BYOK with LangSmith LLM Gateway Take advantage of all that LangSmith LLM Gateway has to offer (fallbacks, cost controls, rate limits) while bringing your own keys. Leverage your existing contracts and avoid paying a markup for tokens. https://www.langchain.com/blog/langsmith-llm-gateway-runtime-controls-for-production-agents