gpt-5.6-terra API pricing variable pricing
gpt-5.6-terra by OpenAI costs $2.00 per 1M input tokens and $12.00 per 1M output tokens (1M in + 1M out = $14.00).
- API model id
gpt-5.6-terra- Input / 1M
- $2.00
- Output / 1M
- $12.00
- Cached input / 1M
- $0.20
- Context window
- —
- Notes
- Standard tier, short context (<=272K input). Long-context rates are higher.
- 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
Variable pricing
The effective price of this model depends on the request. Figures above are the base (short-context / peak) tier.
- Depends on context length: Prompts >272K input tokens: $4 input / $0.4 cached / $18 output per 1M.
Cost estimate
| Provider | Model | Cost |
|---|---|---|
| OpenAI | gpt-5.6-terra | $5.00 |
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-luna: $0.20 / $1.20
- gpt-5.5: $5.00 / $30.00
- gpt-5.5-pro: $30.00 / $180.00