IonRouter is an AI model routing service that provides a drop-in OpenAI-compatible API, enabling teams to access various open models for LLMs, vision, video, and text-to-speech at half the market rate. It leverages a custom inference engine, IonAttention, optimized for NVIDIA Grace Hopper to cut costs and latency, while handling backend optimization and scaling for deployed applications.
IonRouter
Serve Any AI Model, Faster & Cheaper

IonRouter Introduction
Key Features
- OpenAI-compatible API for seamless integration
- Supports multiple AI model types including LLMs, vision, video, and TTS
- Cost reduction by up to 50% compared to standard market rates
- Custom IonAttention inference engine built for NVIDIA Grace Hopper
- Automatic optimization and scaling for model deployments
Use Cases
- Developers building AI-powered applications requiring cost-effective model inference
- Startups deploying multi-modal AI agents without infrastructure management
- Teams fine-tuning and scaling custom models with minimal operational overhead
- Companies integrating diverse AI services through a single, unified API endpoint
Why Startups Use It
Startups need IonRouter to significantly reduce AI inference costs by up to 50%, freeing up resources for core development. Its OpenAI-compatible API simplifies integration, and automatic scaling allows startups to focus on product innovation without infrastructure worries.
Alternative Options
OpenAI API, Hugging Face Inference API, Google Cloud AI Platform, AWS SageMaker
Frequently Asked Questions
Is IonRouter compatible with existing OpenAI API integrations?
Yes, IonRouter is designed as a drop-in replacement for the OpenAI API, allowing easy switching with minimal code changes.
What types of AI models does IonRouter support?
IonRouter supports a wide range of models, including large language models (LLMs), vision models, video processing models, and text-to-speech (TTS) models.
How does IonRouter achieve lower costs and faster performance?
It uses the custom IonAttention inference engine optimized for NVIDIA Grace Hopper hardware, which reduces latency and operational expenses through efficient processing.
Can I deploy my own fine-tuned models on IonRouter?
Yes, you can deploy fine-tuned models on IonRouter's fleet, and the service handles optimization and scaling automatically in the background.
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