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About

OpenRouter is an AI model routing platform that gives developers access to hundreds of models through a single unified API. It connects users with models from providers such as OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, Qwen, xAI, and many others. The platform supports text, image, video, and audio generation while allowing developers to use one API key and a consistent interface across providers. OpenRouter can route requests based on price, performance, and availability, with fallback options that help maintain service when a provider experiences downtime. It also offers configurable data policies so organizations can control which providers receive prompts and how requests are handled. Developers can purchase credits, choose from more than 500 active models across over 80 providers, and integrate OpenRouter using an OpenAI-compatible API.

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.

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

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

Audience

AI developers, software teams, startups, enterprises, and agent builders that want unified access to many AI models while optimizing cost, performance, reliability, and provider flexibility

Audience

AI users and developers wanting to run multiple models side by side, compare their strengths, and combine them into a stronger answer

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Pay-as-you-go (5.5%) and Enterprise plans available
Free Version Supported
Free Trial Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 4.0 / 5
support 4.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • Instead of getting married to ChatGPT or Claude and being locked into that relationship, OpenRouter is way more polyamorous. LMAO. And it's less messy than the real life relationship version. I can use different LLMs for different types of tasks and you learn quickly which LLMs excel in certain areas. In the beginning I did multichats where I'd ask 1 question to 2 or 3 bots at a time (their multichat features) and whoever gave the best answer was who I continued interacting with. I guess it's more like speed dating than polyamory. But the bottom line is, instead of spending $20-$30/mo with one system, I am spending a la carte, which is WAAAAYYYY cheaper, and using the right tool at any given moment. It just takes discipline to copy and paste your chats elsewhere. It does give you a copy markdown button to make it easier. And if you enable markdown in Google docs, there is a paste as markdown feature that makes it look like RTF when it's pasted in, with no codes. Because the chats are browser bound, they are stuck on one computer and everybody is on a bunch of different devices these days. So pasting into Google Docs is the best bet for portability all around. Privacy isn't an issue, because they aren't storing your chats! For some people, this is a big plus. To use the service, they charge you a 9 or 10% charge for however much money you put towards tokens. So if I refill for $10, the total is $10.90, with $10 of usable token for whichever LLM I feel like using. Keep in mind, there are free LLMs too which you can choose and never pay. When you add models, type 'free' in the search box and you'll see several free, from Maverick to Scout to Gemma, etc. It will make you feel like a serious power user and you'll feel smarter everytime you use it. It also has access to the secret parameters that the online LLMs don't show you, like Temperature, Top P, Frequency penalty, etc. It can save you money if you tell it ahead of time what type of vocab you like or how divergent you want the suggestions to be, vs. training ChatGPT or Gemini manually.

Cons

  • The chats aren't persistent - you must copy and save them elsewhere before you close a browser window, or all that info from that chat is gone.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

OpenRouter
Founded: 2023
United States
openrouter.ai/

Company Information

OpenRouter
Founded: 2023
United States
openrouter.ai/fusion

Alternatives

Alternatives

AgentKit

AgentKit

OpenAI

Categories

AI Gateways Supported
AI Inference Supported
AI Tools Supported
LLM API Supported
LLM Routers Supported

Categories

AI Gateways Supported
LLM Routers Supported

Integrations

OwlCAD Supported
16x Prompt Supported
APIPark Supported
GPT-4o mini Supported
GPT-5.4 nano Supported
GPT-5.6 Sol Supported
GPT-6 Astra Supported
Gemini 2.0 Flash Supported
Google AI Plus Supported
Holo4 Supported
Keenable Supported
LFM2 Supported
LiteLLM Supported
Llama 4 Scout Supported
OpenRouter Not Supported
Puter.js Supported
Sakana Fugu Ultra Supported
ShipAhead Supported
Tune AI Supported
ZGI Supported

Integrations

OwlCAD Supported
16x Prompt Not Supported
APIPark Not Supported
GPT-4o mini Not Supported
GPT-5.4 nano Not Supported
GPT-5.6 Sol Not Supported
GPT-6 Astra Not Supported
Gemini 2.0 Flash Not Supported
Google AI Plus Not Supported
Holo4 Not Supported
Keenable Not Supported
LFM2 Not Supported
LiteLLM Not Supported
Llama 4 Scout Not Supported
OpenRouter Supported
Puter.js Not Supported
Sakana Fugu Ultra Not Supported
ShipAhead Not Supported
Tune AI Not Supported
ZGI Not Supported
Claim OpenRouter and update features and information
Claim OpenRouter and update features and information
Claim OpenRouter Model Fusion and update features and information
Claim OpenRouter Model Fusion and update features and information