GPT-5.6 Sol subscription plans

Updated Sep 14, 2026

gpt-sol1.1M contextreleased Jul 9, 2026all GPT-5.6 Sol API prices →

Effective price spreads the monthly fee over 1M tokens; API prices are the vendor's own metered rate for a 3:1 input:output blend. Plan fees are list prices verified 2026-09-13.

Plan	Fee/mo	Plan rate per 1M	Effective $/1M	API anchor $/1M	Break-even
Copilot ProGitHubcheapest	$10	$4 / $20	$10	$4 / $20	1.3M
ChatGPT PlusOpenAI	$20	—	$20	$4 / $20	2.5M
Copilot Pro+GitHub	$39	$4 / $20	$39	$4 / $20	4.9M

Other plans

Cheapest plan for every model, or themetered API prices for GPT-5.6 Sol.