OpenAI pricing
OpenAI
OpenAI API pricing: every model, per million tokens
What OpenAI costs to use and what it costs to build on, each figure carrying the day it was read.
OpenAIOpenAI API rates
Billed per token and charged separately from any subscription. Read from the provider’s live catalogue every three hours.
Per model, cheapest first
| Model | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| GPT-5.6 Terra | $2.00 | $12.00 | 1,050,000 |
| GPT-5.6 Terra Pro | $2.00 | $12.00 | 1,050,000 |
| o3 | $2.00 | $8.00 | 200,000 |
| GPT-4.1 | $2.00 | $8.00 | 1,047,576 |
| GPT-5.4 | $2.50 | $15.00 | 1,050,000 |
| GPT Audio | $2.50 | $10.00 | 128,000 |
| GPT-5 Image Mini | $2.50 | $2.00 | 400,000 |
| GPT-4o (2024-11-20) | $2.50 | $10.00 | 128,000 |
| GPT-3.5 Turbo 16k | $3.00 | $4.00 | 16,385 |
| GPT Chat Latest | $5.00 | $30.00 | 400,000 |
| GPT-5.5 | $5.00 | $30.00 | 1,050,000 |
| GPT-5.4 Image 2 | $8.00 | $15.00 | 272,000 |
| GPT Astra Latest | $10.00 | $50.00 | 1,050,000 |
| GPT-6 Astra | $10.00 | $50.00 | 1,050,000 |
| GPT-6 Astra Pro | $10.00 | $50.00 | 1,050,000 |
| GPT-5 Image | $10.00 | $10.00 | 400,000 |
| GPT-4 Turbo | $10.00 | $30.00 | 128,000 |
| GPT-5 Pro | $15.00 | $120.00 | 400,000 |
| o1 | $15.00 | $60.00 | 200,000 |
| o3 Pro | $20.00 | $80.00 | 200,000 |
| GPT-5.2 Pro | $21.00 | $168.00 | 400,000 |
| GPT-5.5 Pro | $30.00 | $180.00 | 1,050,000 |
| GPT-5.4 Pro | $30.00 | $180.00 | 1,050,000 |
| GPT-4 | $30.00 | $60.00 | 8,191 |
| o1-pro | $150.00 | $600.00 | 200,000 |
Recent price changes
All OpenAI price changes →Questions
- How much does the OpenAI API cost?
- OpenAI models range from $0.02 per million input tokens (gpt-oss-20b) upwards. Every model's input and output rate is listed on this page, confirmed and dated.
- How often do OpenAI prices change?
- 1 recent price change are listed on this page, each linking to the model it affected. Catalogue prices are re-read every three hours, so a change appears the same day it is published.
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