Production engineering notes from Iterosys — LLM orchestration, billing systems, async pipelines, Bangla NLP, and the architecture behind real AI products.https://iterosys.com/en-ushttps://iterosys.com/blog/langgraph-credit-metering/https://iterosys.com/blog/langgraph-credit-metering/Billing AI agents at the request boundary overcharges users for failures and can't price a multi-tool turn. Here's how to meter inside each LangGraph ToolNode, with three strategies keyed to each tool's cost and shape.Mon, 01 Jun 2026 00:00:00 GMTLangGraphAI/ML EngineeringArchitectureIterosys Engineering