OpenAI API Pricing
Starting price
—
Pricing model
Paid
Free tier
No
Free trial
Yes
Plans
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Pay as you go | — | month | GPT-5.5 ($5/$30 per 1M, 1M context); GPT-5.4 ($2.50/$15, recommended default); GPT-4.1 / 4.1 mini / 4.1 nano (from $0.10/$0.40) |
| Batch API | — | month | 50% discount on all token pricing; 24-hour async turnaround; Same models as the real-time API |
| GPT-5.5 Pro | — | month | $30 input / $180 output per 1M tokens; Highest-precision variant for critical workloads; No cached-input discount |
Figures are the vendor's published prices. Unknown values show as “—”. Price-history tracking is not yet available for this tool. Price verified 2026-10-06. Last updated 2026-10-08.