o4-mini API pricing
o4-mini by OpenAI costs $1.10 per 1M input tokens and $4.40 per 1M output tokens (1M in + 1M out = $5.50).
- API model id
o4-mini- Input / 1M
- $1.10
- Output / 1M
- $4.40
- Cached input / 1M
- $0.275
- Context window
- —
- Notes
- Standard tier.
- Source
- https://platform.openai.com/docs/pricing
- Provider type
- First-party (HQ: US)
- Regions
- Global, US, EU, UK, Japan, India, Singapore, South Korea, Australia, Canada, UAE
- EU data residency
- yes — EU (EEA+CH) regional storage and processing via eu.api.openai.com; requires approval and ZDR/Modified Abuse Monitoring; +10% for models released on/after 2026-03-05.
- Last verified
- 2026-10-15
Cost estimate
| Provider | Model | Cost |
|---|---|---|
| OpenAI | o4-mini | $2.20 |
Uses standard list prices (no caching, batch or off-peak discounts). € and CHF rows are priced in that currency by the provider and not converted, so compare them with care.
Other OpenAI models
- gpt-6-astra: $10.00 / $50.00
- gpt-6.1-sol: $2.00 / $10.00
- gpt-6-sol: $2.00 / $10.00
- gpt-6-luna: $0.10 / $0.50
- gpt-5.6-sol: $4.00 / $20.00
- gpt-5.6-terra: $2.00 / $12.00
- gpt-5.6-luna: $0.20 / $1.20
- gpt-5.5: $5.00 / $30.00