OpenRouter: Fusion
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...
Everything else
| Max output | — |
|---|---|
| Input / 1M | — |
| Output / 1M | — |
| Cache read / 1M | — |
| Cache write / 1M | — |
| 1M in + 1M out | — |
| Takes | text |
| Returns | text |
| Tools | no |
| Reasoning | no |
| Open weights | no |
| Released | 2026-06-13 |
| Knowledge cutoff | — |
| Retires | — |
| Catalog id | openrouter/fusion |
Using it
In 00, this model is picked per agent — and per tier, so the model that answers your customers need not be the one that writes your code. Get 00.