Models › OpenAI

OpenAI API pricing

GPT-5.6 Sol.
$4.00 in. $20.00 out.

Input / 1M$4.00
Cached input / 1M$0.40
Output / 1M$20.00
Context—

OpenAI lists promotional pricing for GPT-5.6 Sol through at least Nov 21, 2026.

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$14.00
100K requests$1,400.00
1M requests$14,000.00

Try your own numbers

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