Introducing OpenScience. A better, open-source Claude Science.

• Any model: GLM, Kimi, DeepSeek, Claude, GPT, your own fine-tune. Switching is one flag.
• 250+ research skills across ML, comp bio, cheminformatics. All readable, editable, extensible.
• No…

Learn how to build long-running agents for complex workflows with Deep Agents, LangChain’s open-source agent harness. You’ll explore what an agent harness is, how it accelerates development, and how to use LangSmith to improve your agents.

Introduction to…

Control what you're billed on. Tokens are the currency of AI, and how you design your app determines how many you spend. Compress conversation history instead of resending it raw, cap output tokens with matching prompt instructions, and cache static context…