Models › OpenAI

OpenAI API pricing

GPT-5.6 Terra.
$2.00 in. $12.00 out.

Input / 1M$2.00
Cached input / 1M$0.20
Output / 1M$12.00
Context—

Prompts over 272K input tokens bill at $4 in / $18 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$8.00
100K requests$800.00
1M requests$8,000.00

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