About
Drop-in OpenAI-compatible API for open-source models at half market rate. Custom inference engine built for NVIDIA Grace Hopper that multiplexes models off a single GPU with under 100ms switch time.
Tech Stack
NVIDIA Grace HopperCUDAOpenAI-compatible API
About IonRouter
What makes IonRouter unique?
IonAttention engine runs five vision-language models on a single GPU with concurrent users and under 1s cold starts. Deploy finetunes, custom LoRAs, or any open-source model with dedicated GPU streams and per-second billing.
Our story
YC W26 batch. Point your existing OpenAI client at IonRouter with a single line change. Now serving Kimi, Minimax, GLM, Qwen 3.5, Wan, and more at half the cost of competitors.
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