OpenAI · LLM API Modelactive

gpt-5-pro

gpt-5-pro costs $15.00 per 1M input tokens and $120.00 per 1M output tokens. Batch API: $7.50 input, $60.00 output.

Updated September 21, 2026
Input / 1M
$15.00
Output / 1M
$120.00
Cached Input
—
Context Window
400K
Standard Input
$15.00 / 1M
Base prompt input rate
Standard Output
$120.00 / 1M
Completion output rate
Prompt Caching -50%
50% Off
Cached prompt context
Batch API -50%
$7.50 / 1M
Asynchronous 24h batch

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Flagship models

All rates listed in USD per 1 Million (1M) tokens unless noted

StandardBatch
Pricing Metric / Parameter
Standard RATE
(per 1M)
Batch RATE
(per 1M)
Short context input$15.00$7.50
Short context cached input--
Short context cache writes--
Short context output$120.00$60.00
Long context input--
Long context cached input--
Long context cache writes--
Long context output--

Source: OpenAI official pricing page, verified 2026-09-21. Prices in USD per 1M tokens.

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