by OpenAI
Smaller, efficient OpenAI model reportedly cut in price by 80% after efficiency work; details are limited.
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Luna is described as a smaller, efficient model from OpenAI. According to a creator interview (Matthew Berman, with Tibo), its price was cut by about 80% after efficiency improvements, and it is positioned as a model that would have been considered frontier-level roughly six months earlier.
The same source says it is offered free in some modes. No official page, documentation, model card or pricing page could be retrieved, so its exact capabilities, context window, modalities, access routes and release date are not confirmed here.
Treat the entries below as provisional until OpenAI publishes official details.
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A smaller, efficient OpenAI model whose price was cut by 80% after efficiency work. It would have been frontier six months ago and is now offered free in some modes.
Animates realistic 3D human avatars from a few images and a driving signal (video, skeleton or line art) using Gaussian deformations, without a body model. No code or models released.
Closest neighbours by meaning, not just by category.
Model · OpenAI
OpenAI's lighter, lower-cost GPT-5.6 model variant, suited to routine tasks such as setup and scripting work.
Model · OpenAI
OpenAI language model referenced by creators as having had a price drop; details are not officially confirmed here.
Model · OpenAI
OpenAI model reportedly used to optimize serving of Luna; described as more token-efficient than Terra.
Model · OpenAI
OpenAI's mid-tier GPT-6 model, positioned below GPT-6 Astra and above Luna, priced at $2/$10 per million tokens.
Model · Google DeepMind
Google DeepMind's lightweight, low-cost Gemini 3.5 model aimed at fast, high-volume tasks.
Model · OpenAI
Smaller, lower-cost OpenAI language model in the GPT-5.4 family, offered through the OpenAI API and ChatGPT.