GPT-5.6 Sol, Terra and Luna generally available

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 Terra	OpenAI	$2.00	$12.00	$0.20	$9.00
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 TerraOpenAI
   –no votes yet
   LobotomizedDumbMehSolidBig brain
3. 
   GPT-5.6 LunaOpenAI
   –no votes yet
   LobotomizedDumbMehSolidBig brain

More OpenAI news

• 
  GPT-6 Sol and Luna releasedSeptember 22, 2026 · Release
• 
  OpenAI status: elevated errors across ChatGPT and CodexSeptember 3, 2026 · Official incident
• 
  GPT-6 Astra releasedSeptember 3, 2026 · Release
• 
  ChatGPT update: improved GPT-5.6 Sol; Luna becomes default for Free and GoAugust 6, 2026 · Release
• 
  OpenAI cuts GPT-5.6 Terra and Luna pricesJuly 30, 2026 · Price change

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