OpenAI

GPT-4o API Pricing

Legacy flagship, superseded by the GPT-5.x family but still listed as active/available on the model page (current snapshot gpt-4o-2024-11-20; earlier snapshot gpt-4o-2024-08-06 is deprecated).

Verified against OpenAI’s pricing page on 2026-07-02.

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Facts

Legacy

Specs

  • FamilyGPT-4o
  • API IDgpt-4o
  • ModalityMultimodal
  • Context window128K tokens
  • Max output
  • Release dateNot published

Pricing (per 1M tokens)

  • Input$2.50 / 1M tokens
  • Output$10.00 / 1M tokens
  • Cached input$1.25 / 1M tokens
  • Cache write
  • Batch discount

Capabilities

vision, tool-use, function-calling, structured-outputs

Notes

Legacy flagship, superseded by the GPT-5.x family but still listed as active/available on the model page (current snapshot gpt-4o-2024-11-20; earlier snapshot gpt-4o-2024-08-06 is deprecated).

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadEst. monthly cost

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$400.00

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$660.00

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$325.00

Price history

Changes we have documented since we began tracking

No price changes recorded since we began tracking.

GPT-4o pricing FAQ

How much does GPT-4o cost per 1M tokens?
GPT-4o costs $2.50 per 1M input tokens and $10.00 per 1M output tokens.
How much does GPT-4o cost per request?
A typical request of 800 input and 200 output tokens costs about $0.004 on GPT-4o.
Is GPT-4o cheaper than GPT-4o mini?
GPT-4o is more expensive than GPT-4o mini on input tokens, by about 1567%.
Does GPT-4o have cache pricing?
Yes — cached input reads cost $1.25 per 1M tokens.