OpenAI
o3 API Pricing
"Well-rounded and powerful model across domains" for complex reasoning over text, code, and images. Page notes it has been "succeeded by GPT-5." Knowledge cutoff Jun 1 2024.
Verified against OpenAI’s pricing page on 2026-07-02.
View source ↗Facts
Specs
- Familyo-series
- API IDo3
- ModalityMultimodal
- Context window200K tokens
- Max output100K tokens
- Release dateNot published
Pricing (per 1M tokens)
- Input$2.00 / 1M tokens
- Output$8.00 / 1M tokens
- Cached input$0.50 / 1M tokens
- Cache write—
- Batch discount—
Capabilities
reasoning, vision
Notes
"Well-rounded and powerful model across domains" for complex reasoning over text, code, and images. Page notes it has been "succeeded by GPT-5." Knowledge cutoff Jun 1 2024.
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | Est. monthly cost |
|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $320.00 |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $528.00 |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $260.00 |
Price history
Changes we have documented since we began tracking
No price changes recorded since we began tracking.
o3 pricing FAQ
- How much does o3 cost per 1M tokens?
- o3 costs $2.00 per 1M input tokens and $8.00 per 1M output tokens.
- How much does o3 cost per request?
- A typical request of 800 input and 200 output tokens costs about $0.0032 on o3.
- Is o3 cheaper than o1?
- o3 is cheaper than o1 on input tokens, by about 87%.
- Does o3 have cache pricing?
- Yes — cached input reads cost $0.50 per 1M tokens.