GPT API Pricing Explained

GPT API pricing is based primarily on token usage. AI providers charge separately for input tokens and output tokens.

Approximate GPT-4o Pricing

Category	Approximate Cost
Input Tokens	$5 per 1 million tokens
Output Tokens	$15 per 1 million tokens

Why GPT Costs Matter

Many developers underestimate how quickly AI costs can scale with active users. A chatbot or AI writing platform with thousands of daily requests may generate significant monthly infrastructure expenses.

Common AI App Cost Drivers

• Long prompts
• Large AI-generated responses
• High daily user activity
• Multiple AI requests per workflow
• Image generation and embeddings

Estimate GPT Costs

Use our AI App Cost Calculator to estimate GPT API expenses for your app or workflow.