The most powerful AI models, one key
Claude, Gemini and more through one API that works with your existing tools — pay per token only, no subscriptions, no minimums.
Free credit for new accounts · discounts up to 90% · no minimum spend
AI Studio
Write me a function that summarizes long articles.
Sure! Here's a clean implementation with streaming support…
claude-fable-5 · streaming
Offers that get you started instantly
Try the frontier models with zero risk — then scale as you grow.
Free
Welcome credit for new accounts
Create your account and try the models with free credit — no card, no commitment.
Up to 90% off
Discounts on selected models
Recurring promotions with discounts up to 90% on selected models — same quality at a fraction of the cost.
$0
Completely free models
Open models we host ourselves and offer entirely for free — usage with no billing at all.
A catalog of the strongest models
The latest Claude and Gemini models the moment they ship — pick the right model for every task.
Claude
Claude Fable 5
Claude Opus 4.8
Claude Sonnet 4.6
Gemini
Gemini 2.5 Pro
Gemini 2.5 Flash
The catalog keeps growing — new models arrive automatically as soon as they're available.
Works with your tools in one minute
An Anthropic-compatible API — change two environment variables and everything just works.
- Compatible with Claude Code and the official SDKs with zero code changes
- Live streaming plus prompt caching that saves up to 90% of input cost
- Create up to 20 API keys and track each one's usage in real time
# connect your tool in two lines
export ANTHROPIC_BASE_URL="https://utdsoftware.com/api/ai"
export ANTHROPIC_API_KEY="uak_..."
claude
✻ Ready — start chattingWhy UTD AI?
One key, every model
Claude, Gemini and more from a single endpoint — switch models by name only.
Live streaming
Token-by-token responses for smooth real-time experiences.
Pay per token only
No subscriptions, no minimums — you pay exactly what you consume.
Cache that saves automatically
Cache reads cost ~10% of the input price.
Built-in AI Studio
Try every model from the browser before writing a line of code.
One unified wallet
Top up once and manage all UTD services from one place.
Always the latest
The catalog updates automatically as new models are released.
Control & transparency
Detailed usage per day and per model, with limits you control.
Ready to build with UTD?
Create your account, fund your master wallet, and turn on the services you need.