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OpenAI API Pricing
Track and compare the latest token costs for all OpenAI models.
tokens
tokens
Model | Provider | Input / 1M | Output / 1M | Est. Input Cost | Est. Output Cost |
|---|---|---|---|---|---|
GPT-5 nano128,000 ctx | OpenAI | $0.05 | $0.40 | $0.0500 | $0.4000 |
GPT-5 mini128,000 ctx | OpenAI | $0.25 | $2.00 | $0.2500 | $2.0000 |
gpt-realtime-mini128,000 ctx | OpenAI | $0.60 | $2.40 | $0.6000 | $2.4000 |
GPT-5.1128,000 ctx | OpenAI | $1.25 | $10.00 | $1.2500 | $10.0000 |
gpt-realtime128,000 ctx | OpenAI | $4.00 | $16.00 | $4.0000 | $16.0000 |
GPT-5 pro128,000 ctx | OpenAI | $15.00 | $120.00 | $15.0000 | $120.0000 |
Showing 6 models
Prices updated daily. Last update: 11/30/2025
About OpenAI
OpenAI is a leading AI provider offering a range of Large Language Models (LLMs). This page tracks the official API pricing for input and output tokens, updated daily.