API Cost Check
o4 mini API pricing retired
OpenAI has scheduled o4 mini for deprecation on 2026-10-23. The prices below are the last ones we recorded (data last changed 2026-10-13); plan a migration before that date.
| Input | $1.10 / 1M tokens |
|---|---|
| Output | $4.40 / 1M tokens |
| Cached input | $0.275 / 1M tokens |
| Batch input | $0.55 / 1M tokens |
| Batch output | $2.20 / 1M tokens |
Last prices in context
Its last price was $1.10 input / $4.40 output per 1M. The cheapest current OpenAI model, GPT-5 nano, costs $0.05 / $0.40 (9.09% of the old output price), and the closest current OpenAI model by price is GPT-5.4 mini ($0.75 / $4.50). Before migrating, re-run your own evaluation on the replacement; every current OpenAI price is on the OpenAI hub and changes appear in the monthly roundups.
Current OpenAI models
- GPT-5 nano — $0.05 / $0.40
- GPT-6 Luna — $0.10 / $0.50
- GPT-4o mini — $0.15 / $0.60
- GPT-5.6 Luna — $0.20 / $1.20
- GPT-5.4 nano — $0.20 / $1.25
Price history
No price changes recorded since tracking began on 2026-10-08.