Thousands of Models, Unified on the Ark.
Bridge the gap between isolated APIs and seamlessly access global AI compute. Native OpenAI SDK support, no hidden fees, and high availability for maximum efficiency.
One API for Any Model
Access all major models through a single, unified interface. SDK works out of the box.
View all models→Higher Availability
Reliable AI models via our distributed infrastructure. Fall back to other providers when one goes down, guaranteeing zero downtime.
Learn more→Custom Data Policies
Protect your organization with fine grained data policies. Ensure prompts only go to the models and providers you trust.
View docs→Featured Models >
View all models→100+ active models on 20+ providers
Three steps to start your AI journey
Get up and running in minutes with global optimized routing
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Sign up with a phone number, then sign in with an SMS code or password.
Top up your credits
Choose a credit range that fits your usage. Actual spend depends on model, context, and output length.
Get your API key
Open the console to create your API key, compatible with OpenAI SDKs and client tools.