o3 Pricing & Token Costs (2025)
Per 1M tokens: input $2.00 · output $8.00$. Context window $200,000 tokens with source and verification details.
TL;DR — Pricing Quick Summary
- ✓Input pricing: $2.00 per 1M tokens ($0.0020 per 1K)
- ✓Output pricing: $8.00 per 1M tokens ($0.0080 per 1K)
- ✓Context window: 200,000 tokens
- ✓Typical monthly cost: $36.00 for 10M input + 2M output tokens
- ✓Daily cost example: $0.5000 for 100K tokens (50K in, 50K out)
Key metrics
- Context window
- 200,000 tokens
- Input price
- $2.00 / 1M tokens
- Output price
- $8.00 / 1M tokens
Official link:https://platform.openai.com/docs/pricing
Last verified: 2025-09-22
- · Includes 80% launch discount per OpenAI pricing update.
Multi-currency (per 1M tokens)
| Currency | Input | Output |
|---|---|---|
| USD | $2.00 | $8.00 |
| CNY | ¥14.30 | ¥57.20 |
| EUR | 1,84 € | 7,36 € |
| JPY | ￥292 | ￥1,168 |
* Live search cost uses sources / 1000 × price and currently applies to xAI Grok only.
Frequently Asked Questions
What is the cost per 1M tokens for OpenAI o3?
OpenAI o3 costs $2.00 per 1M input tokens and $8.00 per 1M output tokens.
How much does it cost per 1K tokens?
Per 1K tokens: $0.0020 for input and $0.0080 for output. This is useful for calculating costs for smaller workloads or individual API calls.
What is the estimated monthly cost for typical usage?
For a typical workload of 10M input + 2M output tokens per month, OpenAI o3 would cost approximately $36.00. Daily usage of 100K tokens (50K in, 50K out) costs about $0.5000.
Does OpenAI o3 offer a free tier?
Check OpenAI's official documentation for free tier availability. Some providers offer free credits for new users or limited free usage. Visit https://platform.openai.com/docs/pricing for current free tier details.
How does prompt caching work to reduce costs?
This model does not currently publish cached input pricing. Some providers like Anthropic and OpenAI offer prompt caching to reduce costs for repeated context by up to 90%.
What is the context window size for o3?
o3 supports a 200,000 token context window. This determines the maximum combined length of your input prompt and output response.
How frequently is this pricing information updated?
All prices reference official OpenAI documentation (https://platform.openai.com/docs/pricing), last verified on 2025-09-22. We update pricing as soon as providers announce changes.
How can I calculate exact costs for my use case?
Use our free token calculator to estimate costs based on your specific usage pattern. The calculator supports all major models and shows costs in multiple currencies. You can also compare costs across different models to find the most economical option.