01Rails-style lifecycle callbacks for instrumentation and telemetry
02Type-safe signatures using Sorbet for robust LLM input/output validation
03Modular AI components including Predict, ChainOfThought, and ReAct agents
04Automatic prompt optimization using MIPROv2 and Genetic-Pareto evolution
051 GitHub stars
06Multi-provider support for OpenAI, Anthropic, Gemini, and local Ollama models