Unlimited AI Inference ✰ for Every Model
Access Claude Opus 4.6, Sonnet 4.6, Haiku 4.5 and more — with unlimited tokens at a fraction of the cost. No rate limits, no surprises.
Why Developers Choose Us
No rate limits
Send as many requests as you need. We handle the scaling so you can focus on building.
Up to 90% cheaper
Pay a fraction of direct API costs. Same models, same quality, massively lower price.
OpenAI & Anthropic compatible API
Works with both OpenAI and Anthropic SDKs out of the box. Just swap your base URL and API key — no code changes needed.
Access the Most Powerful AI Models
Claude Opus 4.6
The most capable model for complex reasoning, coding, and analysis. 1M context window. Perfect for agentic workflows and deep research.
Claude Sonnet 4.6
The ideal balance of speed and intelligence. Great for everyday tasks, chat, and content generation at lightning speed.
All models, one API
Access every Claude model through a single, OpenAI-compatible endpoint. Switch models with a single parameter change.
- Claude Opus 4.6 (1M context)
- Claude Sonnet 4.6
- Claude Haiku 4.5
Start Building in Four Simple Steps
Create an account
Sign up in seconds. No credit card required to get started.
Get your API key
Generate an API key from your dashboard instantly.
Swap your base URL
Point your existing code to our API endpoint. That's it — fully compatible.
Build without limits
Enjoy unlimited inference with blazing fast responses and zero rate limits.
Works With Your Favorite Tools
Simple, Transparent Pricing
Free
Try it free for 1 day
$0/1 day
What's Included
- ✦Sonnet 4.6 & Haiku 4.5
- ✦Unlimited tokens
- ✦OpenAI & Anthropic compatible API
- ✦1M context window
- ✦Community support
Starter
For hobbyists and side projects
$10/month$19
What's Included
- ✦Sonnet 4.6 & Haiku 4.5
- ✦Unlimited tokens
- ✦OpenAI & Anthropic compatible API
- ✦1M context window
- ✦Community support
ProMost Popular
For developers and startups
$20/month$39
What's Included
- ✦Everything in Starter
- ✦Claude Opus 4.6
- ✦Priority routing
- ✦Higher concurrency
- ✦Email support
Loved by Developers
Switched from the official API and cut my costs by 85%. Same Opus quality, zero downtime. This is a no-brainer.
Alex Chen
Full-Stack Developer
We run thousands of Sonnet calls daily for our product. UnlimitedClaude handles it without breaking a sweat — and our bill is tiny.
Sarah Mitchell
AI Startup Founder
The OpenAI-compatible API made migration dead simple. Changed one line of code and everything just worked.
James Park
ML Engineer
Finally I can use Opus 4.6 without worrying about the bill. The 1M context window at this price is unreal.
Maria Rodriguez
Indie Developer
How is this so much cheaper than the official API?
Is the API compatible with my existing code?
Which models are available?
Are there rate limits?
Is my data secure?
Ready to Build with Unlimited Claude?
Join thousands of developers using UnlimitedClaude to power their apps with the best AI models at unbeatable prices.