Openrouter Fusion API (opens in new tab)

Fusion turns your prompt into a small multi-model deliberation. A panel of expert models (see below) analyzes your prompt in parallel with web search and web fetch enabled, then a judge model synthesizes their responses into a structured analysis — consensus, contradictions, partial coverage, unique insights, and blind spots — and writes the final answer from it.By default the panel is the Quality preset; switch to Budget for cheaper members, or override the panel and judge entirely with the ...