OpenRouter: Deploys Fusion Compound Model

OpenRouter launched Fusion, the smartest compound model available, letting users run Fable-level intelligence at half the cost through a web chat interface at openrouter.ai/fusion or any OpenAI-compatible API client after generating a free key and adding credits, as detailed in the June 20, 2026 post by @milesdeutscher that highlights the AI industry impact of compound AI models deployment and OpenRouter Fusion setup for immediate high-performance access.