#OpenAI
2 articles with this tag
Agent Development
7 LangChain Callbacks for Token Usage and Cost Tracking
Track OpenAI API spend with LangChain callbacks — get_openai_callback, custom cost trackers, per-chain breakdowns, budget alerts, and monthly cost estimation.
May 31, 2026 13 min read
Agent Development
How to Use LangChain with OpenAI API (ChatGPT + Tools)
Set up LangChain with the OpenAI API — configure ChatOpenAI, implement function calling, bind tools, and run parallel tool calls in a production-ready setup.
May 31, 2026 13 min read
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