Models › OpenAI

OpenAI API pricing

GPT-5.6 Luna.
$0.20 in. $1.20 out.

Input / 1M$0.20
Cached input / 1M$0.02
Output / 1M$1.20
Context—

Prompts over 272K input tokens bill at $0.40 in / $1.80 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$0.80
100K requests$80.00
1M requests$800.00

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