# The 100-Model Escape Hatch: How One Developer Built the Tool AI Developers Actually Need - Date: 2026-04-22 - Category: Artificial Intelligence jQuery. CPAN. pip. Simon Willison built llm, an open-source CLI that routes across 179 AI models via OpenRouter, letting developers switch vendors without rewriting code. Last week Copilot and Claude Code repricing turbulence was the stress test. ---