Models › OpenAI

OpenAI API pricing

GPT-6 Luna.
$0.10 in. $0.50 out.

Input / 1M$0.10
Cached input / 1M$0.01
Output / 1M$0.50
Context—

Prompts over 272K input tokens bill at $0.20 in / $0.75 out.

Source: OpenAI official pricing · checked Oct 20, 2026 · context window not listed on the pricing page

What it costs per month.

1,000 input and 500 output tokens per request, no caching.

VolumeMonthly cost
1K requests$0.35
100K requests$35.00
1M requests$350.00

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