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Luna

Model ● Covered in 8 stories Compare ⇄ + Follow

Luna is a language model released by OpenAI as part of the GPT-5.6 family alongside Terra and Sol variants. The model is positioned as a cost-effective option suited for simple tasks, with pricing of $0.20 per million input tokens after OpenAI cut API prices by 80% following the model's launch.

Updated 3 August 2026

Specifications

No specifications recorded yet.

Latest developments

OpenAI cuts prices for two of its GPT-5.6 AI models as companies grow sensitive to costs TLDR · 3 days ago · 7 OpenAI cuts Luna API prices 80% and launches faster Sol inference The Neuron · 3 days ago · 42 [AINews] GPT 5.6 price cut by 20%-80%: Cost of GPT 5.4 Intelligence dropped 13x in 4 months due to GPT 5.6 recursive self-optimization Latent Space · 3 days ago · 1 Chinese AI competitors may have forced OpenAI’s hand on pricing The New Stack · 3 days ago · 3 Advancing the price-performance frontier with GPT-5.6 OpenAI Blog · 4 days ago · 13
How to use GPT-5.6 Ben's Bites · 2 weeks ago · 31 Better Call Sol The Workhorse Zvi (Don't Worry About the Vase) · 2 weeks ago · 9
OpenAI's GPT-5.6 Clears Commerce Department Testing, Sol/Terra/Luna Launch Thursday The Neuron · 3 weeks ago · 47

Timeline

Month Quarter Year

2026

OpenAI releases GPT-5.6 model family with efficiency improvements and significant price reductions Model release

OpenAI releases GPT-5.6 family of models (Sol, Terra, Luna) with general availability on Amazon Bedrock Model release

OpenAI releases GPT-5.6 Sol, Terra, and Luna models with improved cost-efficiency Model release

OpenAI releases GPT-5.6 model family with three tiers (Luna, Terra, Sol) and new multi-agent capabilities Model release

Relationships

Products & technology

  • OpenAI develops this model · 5 sources
  • GPT-5.6 derived from this model · 1 source

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