Step 1
Choose Weekly or Monthly
Weekly is $19/week for short sprints. Monthly is $76/month with a $59 first Monthly payment when UNLIMITED59 is configured in Stripe.
Model
ChatGPT 5.5 Ultra API access with flat pricing.
Use ChatGPT 5.5 Ultra through an independent OpenAI-compatible package instead of unpredictable per-token OpenAI billing.
- ChatGPT 5.5 Ultra included in Weekly and Monthly packages
- Unlimited token consumption
- 4 concurrent connections per account
- Delivered base URL and API key after Stripe checkout
Setup steps
Step 2
Receive setup delivery
Manual delivery includes API key, base URL, setup files, and package dates within 10 minutes to 5 hours.
Step 3
Call ChatGPT 5.5 Ultra
Send OpenAI-compatible chat completion requests with model set to gpt-5.5 from your delivered setup.
FAQ
Is ChatGPT 5.5 Ultra unlimited?
Packages include unlimited token consumption with a clear operating limit of 4 concurrent connections per account.
How does pricing compare to OpenAI?
OpenAI bills per token. unlimitedcodex offers flat $19/week or $76/month with unlimited token consumption and 4 concurrent connections.