Free tool
AI Workload and Package Fit Calculator
Estimate concurrent connection pressure and recommend Weekly vs Monthly from load inputs.
Recommended: weekly
For 14 days, paying $19/week (2 weeks) costs less than buying 1 month upfront.
Weekly saves $21 for this 14-day window
Continue to signupEst. concurrent requests: 7 / 4 connection limit
Concurrent connection pressure: Peak load implies ~7 in-flight requests, but unlimitedcodex allows 4 concurrent connections. Add a queue, reduce parallel workers, or smooth bursts before launch.
Related tools
More in this category
Package Picker
Compare Unlimited Weekly and Monthly packages for your project timeline and get a signup link.
Open toolCost Calculator
Estimate OpenAI monthly spend and compare it to flat unlimitedcodex weekly or monthly packages.
Open toolBuild vs Buy
Estimate engineering cost to self-build keys, quotas, logs, and billing vs subscribing to unlimitedcodex.
Open toolReady for GPT-5.5 and Codex API access?
Choose Unlimited Weekly or Unlimited Monthly, complete Stripe checkout, and receive manual setup in 10 minutes to 5 hours. The full API key arrives by email, while the dashboard safely shows delivery details.