GPT-5 nano API Pricing
Budget · 400K context · $0.1 per 1M input tokens, $0.4 per 1M output tokens.
GPT-5 nano pricing
| Provider | Input /1M | Output /1M | In+Out |
|---|---|---|---|
| OpenAI | $0.1 | $0.4 | $0.5 |
Prices per 1M tokens, USD. Snapshot 2026-07 — verify with the provider before relying on them.
GPT-5 nano cost calculator
Frequently asked
How much does GPT-5 nano cost per 1M tokens?
GPT-5 nano costs $0.1 per 1M input tokens and $0.4 per 1M output tokens from OpenAI.
What is GPT-5 nano's context window?
GPT-5 nano supports a context window of about 400K tokens. Remember every token in the context is billed on each call.
Is GPT-5 nano available on other providers?
GPT-5 nano is offered by OpenAI. For open-weight alternatives you can host on multiple providers, see the full model comparison.