OpenAI
o3 Pricing
API pricing for o3 by OpenAI. Input tokens cost $2/1M, output tokens cost $8/1M with 200K context window.
Last updated:
ReasoningToolsVision
Input Cost
$2
per 1M tokens
Output Cost
$8
per 1M tokens
Context Window
200K
tokens
Cost Calculator
Estimated Cost:
$0.00
Model Details
Provider OpenAI
Model ID o3
Context Window 200K tokens
Max Output 100000 tokens
Cache Read Cost $0.5/1M
Release Date 2025-04-16
Compare Alternatives
| Model | Input | Output | Context |
|---|---|---|---|
| o3 (this model) | $2 | $8 | 200K |
| Qwen3.7 Max Alibaba | $2.5 | $7.5 | 1M |
| Qwen3.7 Max Alibaba (China) | $2.5 | $7.5 | 1M |
| GPT-4.1 OpenAI | $2 | $8 | 1M |
| Kimi K2.7 Code HighSpeed Moonshot AI | $1.9 | $8 | 262K |
| Kimi K2.7 Code HighSpeed Moonshot AI (China) | $1.9 | $8 | 262K |
Available from Resellers
o3 is also available through these resellers and gateways: