by Openrouter

OpenRouter: Fusion.

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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...

Hosted API only

No self-host path — closed weights.

OpenRouter: Fusion's weights aren't published. Use it via the access providers below.

Where to use it

Cheapest hosted endpoints.

Provider	Access	$/M in	$/M out
OpenRouter	api aggregator	—	—	Launch ↗

FAQ

Frequently asked.

How do I run OpenRouter: Fusion?

OpenRouter: Fusion is a closed-source API model. The cheapest way to access it is through the API providers listed on this page (direct API, aggregators, and hosted chat UIs).

Where can I access OpenRouter: Fusion?

OpenRouter: Fusion is available via OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).

How much does it cost to run OpenRouter: Fusion?

Pricing varies per access provider — check each entry in the access table for current rates.

Is OpenRouter: Fusion open-source or proprietary?

OpenRouter: Fusion is a proprietary model from Openrouter. Access is API-only — there are no public weights to download.