OpenRouter Model FusionOpenRouter
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Related Products
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About
OpenRouter Fusion turns a prompt into a small multi-model deliberation, making combined model results as easy to call as a single model. A panel of expert models analyzes the prompt in parallel with web search and web fetch enabled, then a judge model compares their responses and returns structured analysis that includes consensus, contradictions, partial coverage, unique insights, and blind spots. The final answer is written from that analysis, helping users benefit from multiple perspectives rather than relying on one model alone. Fusion is built for cases where a single model is not enough, such as research, expert critique, compare-and-contrast prompts, multi-domain questions, or any task where being wrong is expensive. Users can call Fusion directly through the openrouter/fusion model alias, enable it as the fusion server tool, or configure it through the Fusion plugin; all three entry points use the same pipeline.
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About
PromptUnit cuts your AI API bill without hurting answer quality. Inferio, the engine inside PromptUnit, checks every request your app or agent sends. When a cheaper model is just as good for that request, it uses it; otherwise the request goes to the model you asked for. If you connect keys for more than one provider, the cheaper model can be at another of them.
Setup is two settings: point your AI API address at PromptUnit and add your PromptUnit key. Your own provider keys stay yours. Works with OpenAI, Anthropic, Google Gemini, Groq and DeepSeek keys, and with your own OpenRouter key, plus tools like n8n, Open WebUI, LibreChat and Dify.
The dashboard shows every request: the model asked for, the model that answered, what it cost and what it saved. It also groups requests into the steps of your app and shows what each step costs.
Pricing: the first $5 of savings is free, then 20% of what PromptUnit saves you, billed weekly. Nothing if it saves nothing.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
AI users and developers wanting to run multiple models side by side, compare their strengths, and combine them into a stronger answer
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Audience
Developers, startups and teams whose apps or agents pay for AI APIs (OpenAI, Anthropic, Gemini and more) and want a lower bill without worse answers.
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Pricing
Free
Free until PromptUnit saves you money. Then 20% of what it saves, billed weekly. The first $5 of savings is free. Nothing if it saves nothing.
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Company InformationOpenRouter
Founded: 2023
United States
openrouter.ai/fusion
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Company InformationPromptUnit
Founded: 2026
Israel
www.promptunit.ai/
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Anthropic
Not Supported
Claude
Not Supported
DeepSeek
Not Supported
GPT-4
Not Supported
Gemini
Not Supported
Go
Not Supported
Groq
Not Supported
Node.js
Not Supported
OpenAI
Not Supported
OpenRouter
Supported
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Integrations
Anthropic
Supported
Claude
Supported
DeepSeek
Supported
GPT-4
Supported
Gemini
Supported
Go
Supported
Groq
Supported
Node.js
Supported
OpenAI
Supported
OpenRouter
Not Supported
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