o3 Pricing
OpenAI · o-series · Live
Prices verified July 29, 2026
o3 costs $2 per million input tokens and $8 per million output tokens on the OpenAI API. It supports a 200,000-token context window and up to 100,000 output tokens per request. The model supports extended reasoning, image input, tool use. Pricing verified July 29, 2026.
o3 API pricing
- Input (per 1M tokens)
- $2
- Output (per 1M tokens)
- $8
- Context window
- 200,000 tokens
- Max output
- 100,000 tokens
Capabilities
Extended reasoningImage inputTool use
Price history
Price-stable since June 28, 2026.
Frequently asked questions
Notes
Long Context flag corrected to false 2026-07-28 — o3 has 200K token context, not 1M+ (which is what Long Context = true implies per field description).