OpenAI o3 inference pricing
- Developer
- OpenAI
- Quality rank
- #7
- Elo
- 1400
- Context
- 200K
- Weights
- Closed
- Lowest output
- -
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Frequently asked questions
How much does OpenAI o3 cost per million tokens?
The lowest input price we track for OpenAI o3 is - per million tokens. Output tokens cost more; the table shows input, output, and blended pricing for every inference provider.
What is the cheapest OpenAI o3 API provider?
Sort the table by output or blended price to find the cheapest OpenAI o3 endpoint. Prices for the same model vary widely between providers, so the cheapest provider can be several times less than the most expensive.
Which providers serve the OpenAI o3 API?
Every provider with a published OpenAI o3 endpoint appears above, with input and output token pricing, context window, and throughput.
What is OpenAI o3's context window?
OpenAI o3 supports a 200K context window. A larger context window lets you pass more tokens (documents, code, history) in a single request.
Is OpenAI o3 open weight or closed source?
OpenAI o3 is a closed (proprietary) model available only through hosted APIs. Compare provider pricing above to find the cheapest endpoint.
What is blended LLM cost?
Blended cost weights input and output token prices by a typical 3:1 ratio so you can rank providers by one number instead of comparing two prices separately.