Openai400,000 Context

OpenAI: GPT-5 Nano Cost Estimator

Calculate exact API costs for Openai's OpenAI: GPT-5 Nano model. Estimate your monthly bill based on $0.0500 per 1M input tokens and $0.4000 per 1M output tokens.

Interactive Cost Estimator

Estimated Monthly Users1,000

Average Input Tokens / User2,000

Average Output Tokens / User500

Estimated Monthly Cost$0.30

Based on 0.05/1M input & 0.4/1M output tokens