AHands-on reviewedEditor's pick
Anthropic
Claude Code official course (Anthropic)
For: Engineers using Claude Code as their primary AI coding assistant
Intermediate · ~3-4 hours · Free
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For: Engineers using Claude Code as their primary AI coding assistant
For: Engineers committed to LangGraph for production agents
For: Engineers who have used the OpenAI API but never built an agent loop
For: Developers writing their first LLM-powered feature
For: Anyone whose primary LLM is Claude (or who builds with Anthropic API)
For: Engineers shipping their first LLM-with-tools app
For: Engineers on the OpenAI stack
For: Self-paced learners who want grading + immediate feedback