ChatGPT update: improved GPT-5.6 Sol; Luna becomes default for Free and Go

Models mentioned: prices today

Model	Provider	Input /1M	Output /1M	Cached in /1M	1,000 chats
GPT-5.6 Sol	OpenAI	$5.00	$30.00	$0.50	$22.50
GPT-5.6 Luna	OpenAI	$0.20	$1.20	$0.02	$0.90

How do they feel today?

Community ratings from the last 24 hours. Used one of them today? Tap a face.

1. 
   GPT-5.6 SolOpenAI
   –no votes yet
   LobotomizedDumbMehSolidBig brain
2. 
   GPT-5.6 LunaOpenAI
   –no votes yet
   LobotomizedDumbMehSolidBig brain

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  OpenAI releases GPT-6.1 Terra at $1 / $5 per million tokensOctober 26, 2026 · Release
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  OpenAI status: elevated ChatGPT conversation and Responses API errorsOctober 22, 2026 · Official incident
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  OpenAI status: elevated error rates for GPT-5.6 Luna API requestsOctober 21, 2026 · Official incident
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  OpenAI status: elevated FedRAMP API error rates for GPT-6 Astra and SolOctober 21, 2026 · Official incident

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