OpenRouter Model FusionOpenRouter
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Related Products
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About
OpenRouter is a unified interface for LLMs. OpenRouter scouts for the lowest prices and best latencies/throughputs across dozens of providers, and lets you choose how to prioritize them. No need to change your code when switching between models or providers. You can even let users choose and pay for their own. Evals are flawed; instead, compare models by how often they're used for different purposes. Chat with multiple at once in the chatroom. Model usage can be paid by users, developers, or both, and may shift in availability. You can also fetch models, prices, and limits via API. OpenRouter routes requests to the best available providers for your model, given your preferences. By default, requests are load-balanced across the top providers to maximize uptime, but you can customize how this works using the provider object in the request body. Prioritize providers that have not seen significant outages in the last 10 seconds.
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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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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Anyone requiring a tool to find the best models and prices for their prompts
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Audience
AI product teams and research-heavy builders who need multi-model analysis to improve complex answers, expert critique, and source-grounded synthesis
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$2 one-time payment
Free Version
Free Trial
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Pricing
Free
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationOpenRouter
openrouter.ai/
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Company InformationOpenRouter
Founded: 2023
United States
openrouter.ai/fusion
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
AiAssistWorks
ChatKit
Fluent
GLM-4.7
GPT-5
GPT-5.1 Thinking
GPT-5.4 Pro
GPT-5.4 mini
GPT-5.4 nano
GPT-5.6 Sol
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Integrations
AiAssistWorks
ChatKit
Fluent
GLM-4.7
GPT-5
GPT-5.1 Thinking
GPT-5.4 Pro
GPT-5.4 mini
GPT-5.4 nano
GPT-5.6 Sol
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