Market / OpenAI

GPT-6.1 Sol costs $4.49 per million words.

OpenAI lists it at $2 per million input tokens and $10 per million output tokens on OpenAI’s pricing page, read 4:40 PM Eastern, Oct 7, 2026. It bills about 1,123 tokens for a thousand English words, so a million words, three in for every one out, costs $4.49.

Maker

OpenAI

Input

$2 per million tokens

Output

$10 per million tokens

Cached input

$0.10 per million tokens

Tokens for 1,000 words

1,123, measured by Brass on Oct 7, 2026

Source

OpenAI’s pricing page

Buy a pack to use it in Brass

In the Brass chat it costs $2.50 in and $12.50 out per million tokens, the list price Brass pays plus 25%, shown on every receipt.

Price history

We began tracking GPT-6.1 Sol on Oct 7, 2026.