GPT-5 nano inference pricing
- Developer
- OpenAI
- Quality rank
- #31
- Elo
- -
- Context
- 400K
- Weights
- Closed
- Lowest output
- -
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Frequently asked questions
How much does GPT-5 nano cost per million tokens?
The lowest input price we track for GPT-5 nano is - per million tokens. Output tokens cost more; the table shows input, output, and blended pricing for every inference provider.
What is the cheapest GPT-5 nano API provider?
Sort the table by output or blended price to find the cheapest GPT-5 nano 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 GPT-5 nano API?
Every provider with a published GPT-5 nano endpoint appears above, with input and output token pricing, context window, and throughput.
What is GPT-5 nano's context window?
GPT-5 nano supports a 400K context window. A larger context window lets you pass more tokens (documents, code, history) in a single request.
Is GPT-5 nano open weight or closed source?
GPT-5 nano 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.