GPT-5 Nano pricing & price history
GPT-5 Nano by OpenAI costs $0.05 per 1M input tokens and $0.40 per 1M output tokens, with a 400K token context window.
Price history
No price changes since tracking began on 2026-09-24. We check hourly.
Cost calculator
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About GPT-5 Nano
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
FAQ
How much does GPT-5 Nano cost?
GPT-5 Nano by OpenAI costs $0.05 per 1M input tokens and $0.40 per 1M output tokens, with a 400K token context window. A typical request with 2,000 input and 500 output tokens costs about $0.0003.
What is the context window of GPT-5 Nano?
GPT-5 Nano supports up to 400,000 tokens of context and up to 128,000 output tokens per request.
Has GPT-5 Nano’s price changed?
No price changes recorded since ModelBank started tracking it on 2026-09-24.
Is GPT-5 Nano being deprecated?
No retirement date has been announced for GPT-5 Nano as of 2026-09-24.