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OpenAI

GPT-5.4 mini API Pricing

"Strongest mini model yet for coding, computer use, and subagents." Knowledge cutoff Aug 31 2025. Batch: $0.375/$2.25 per MTok, cached batch input $0.0375.

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

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Facts

Specs

  • FamilyGPT-5
  • API IDgpt-5.4-mini
  • ModalityMultimodal
  • Context window400K tokens
  • Max output128K tokens
  • Release date2026-03-17

Pricing (per 1M tokens)

  • Input$0.75 / 1M tokens
  • Output$4.50 / 1M tokens
  • Cached input$0.075 / 1M tokens
  • Cache write—
  • Batch discount50%

Capabilities

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

Notes

"Strongest mini model yet for coding, computer use, and subagents." Knowledge cutoff Aug 31 2025. Batch: $0.375/$2.25 per MTok, cached batch input $0.0375.

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

$150.00

RAG pipeline

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

$229.50

Batch summarization

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

$108.75

Price history

Changes we have documented since we began tracking

No price changes recorded since we began tracking.

GPT-5.4 mini pricing FAQ

How much does GPT-5.4 mini cost per 1M tokens?
GPT-5.4 mini costs $0.75 per 1M input tokens and $4.50 per 1M output tokens.
How much does GPT-5.4 mini cost per request?
A typical request of 800 input and 200 output tokens costs about $0.0015 on GPT-5.4 mini.
Is GPT-5.4 mini cheaper than GPT-5.4?
GPT-5.4 mini is cheaper than GPT-5.4 on input tokens, by about 70%.
Does GPT-5.4 mini have cache pricing?
Yes — cached input reads cost $0.075 per 1M tokens.

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