OpenAI
o3 API Pricing
OpenAI charges $2.00 per 1M input tokens and $8.00 per 1M output tokens across a short context window. Verified 2026-08-06 against the official OpenAI pricing page.
Input / 1M tokens
$2.00
Output / 1M tokens
$8.00
Context window
short
What it costs to run
| Workload | Tokens | Cost |
|---|---|---|
| Single short call | 2K in, 500 out | $0.00800 |
| Typical chat turn | 10K in, 1K out | $0.028 |
| Long document pass | 100K in, 2K out | $0.216 |
| 1,000 chat turns | 10M in, 1M out | $28.00 |
Price history
No price move recorded for o3 since tracking began on 2026-08-06. Every future change lands here with the before and after.
How it compares
Ranked on the blended cost of a typical chat turn (10K in, 1K out), not the input rate alone.
| gemini-2.5-pro | $0.022 per turn | |
| gemini-omni-flash | $0.024 per turn | |
| gemini-3.5-flash | $0.024 per turn | |
| xAI | grok-4.6 | $0.026 per turn |
| xAI | grok-4.5 | $0.026 per turn |
| OpenAI | o3 | $0.028 per turn |
| Anthropic | claude-sonnet-5 | $0.030 per turn |
| OpenAI | gpt-5.2 | $0.032 per turn |
| OpenAI | gpt-5.3-codex | $0.032 per turn |
| gemini-3.1-pro-preview | $0.032 per turn | |
| OpenAI | gpt-5.6-terra | $0.032 per turn |
TechFastForward coverage of o3
What we wrote when this model, or the rest of its line, was news.
Free JSON API
Every tracked model, including this one, is available as JSON. Free to use with attribution and a link back.
curl https://techfastforward.com/api/data/llm-pricingMaintained by Jordan Hale, TechFastForward. Prices are read daily from the official provider page and recorded only when they move. See every tracked model on the LLM API Pricing Tracker.