openai
OpenAI: GPT-4o API Pricing
OpenAI: GPT-4o costs $2.50 per 1M input tokens and $10.00 per 1M output tokens (cache reads: $1.25). Context window: 128K. Prices verified 2026-08-23 Β· source
Input / 1M tokens
$2.50
Output / 1M tokens
$10.00
Context window
128K
Max output
16K
What would OpenAI: GPT-4o cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $60.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $200.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $450.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $120.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About OpenAI: GPT-4o
GPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of [GPT-4 Turbo](/models/openai/gpt-4-turbo) while being twice as...
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Official resources
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