OpenRouter
OpenRouter is a unified interface for accessing and comparing various large language models (LLMs) through a single API.
https://openrouter.ai/

Product Information
Updated:Apr 9, 2025
OpenRouter Monthly Traffic Trends
OpenRouter achieved 4.8M visits with a 38.2% growth in July. The API 2.0 release and enhancements in model integration have likely contributed to this increase, making it easier for developers to access and integrate a wide range of LLMs.
What is OpenRouter
OpenRouter is an AI tools web aggregator that provides developers and users access to a diverse selection of AI models from different providers. It offers a streamlined way to interact with multiple LLMs, including popular models like GPT-4, Claude, PaLM, and open-source alternatives. OpenRouter aims to simplify the process of finding, comparing, and utilizing different AI models for various use cases.
Key Features of OpenRouter
OpenRouter is a unified interface for accessing a wide range of AI language models, including popular options like GPT-4, Claude, and open-source models. It offers a single API to interact with multiple models, provides competitive pricing, and features a playground for experimenting with different models. OpenRouter also supports integration with various applications and frameworks, making it easier for developers to incorporate AI capabilities into their projects.
Unified API Access: Provides a single API to interact with multiple AI models from different providers, simplifying integration and usage.
Model Variety: Offers access to a diverse selection of AI models, including proprietary options like GPT-4 and open-source alternatives.
Flexible Pricing: Features competitive pay-as-you-go and subscription pricing options, with charges based on the upstream provider's rates.
Interactive Playground: Includes a playground interface for experimenting with different models and prompts before integration.
Developer-Friendly Integration: Supports various SDKs and frameworks, making it easy to incorporate OpenRouter into existing applications and workflows.
Use Cases of OpenRouter
AI-Powered Writing Assistant: Developers can use OpenRouter to create writing tools that leverage multiple AI models for tasks like content generation, editing, and style adaptation.
Multi-Model Chatbots: Build advanced chatbots that can switch between different AI models based on the conversation context or user preferences.
AI Model Comparison Tool: Researchers and developers can use OpenRouter to easily compare the performance and outputs of different AI models for specific tasks or prompts.
Customized AI Applications: Create specialized AI applications that combine the strengths of multiple models for tasks in fields like legal analysis, medical research, or financial forecasting.
Pros
Provides access to a wide range of AI models through a single interface
Offers competitive pricing with no markup over provider rates
Supports easy integration with various applications and frameworks
Includes a playground for experimenting with different models
Cons
Reliance on third-party model providers may lead to potential service disruptions
May have limitations on customization compared to direct access to individual model providers
How to Use OpenRouter
Sign up for an account: Go to openrouter.ai and create an account.
Get an API key: After signing up, go to https://openrouter.ai/keys to create an API key.
Add credits: Go to Account > Settings, scroll down to the credit section to Add Credits so you can use the generated API keys.
Choose a model: Browse the available models at https://openrouter.ai/models and select the one you want to use.
Integrate the API: Use the OpenRouter API in your application. You can use their standardized API similar to OpenAI's format.
Set up headers: Include necessary headers in your API requests, such as 'Authorization' with your API key and 'HTTP-Referer' with your site URL.
Make API calls: Send requests to https://openrouter.ai/api/v1/chat/completions with your chosen model and prompts.
Handle responses: Process the API responses in your application as needed.
Monitor usage: Keep track of your usage and credits on the OpenRouter dashboard.
OpenRouter FAQs
OpenRouter is a unified API service that provides access to various AI language models, including GPT-4, Claude, PaLM, and open-source models. It allows users to interact with multiple AI models through a single interface.
Official Posts
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Analytics of OpenRouter Website
OpenRouter Traffic & Rankings
4.8M
Monthly Visits
#10285
Global Rank
#90
Category Rank
Traffic Trends: May 2024-Feb 2025
OpenRouter User Insights
00:06:35
Avg. Visit Duration
6.46
Pages Per Visit
32.42%
User Bounce Rate
Top Regions of OpenRouter
CN: 18.22%
US: 12.69%
IN: 4.54%
RU: 3.99%
GB: 3.78%
Others: 56.77%