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SO

Soul

by OpenAI

OpenAI model reportedly used to optimize serving of Luna; described as more token-efficient than Terra.

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Soul at a glance

What is Soul?
Soul is a model from OpenAI. OpenAI model reportedly used to optimize serving of Luna; described as more token-efficient than Terra.
Who makes Soul?
Soul is made by OpenAI.
Does Soul work in the EU?
Unverified. No explicit evidence found. Last verified 14 Nov 2026.
How much does Soul cost?
Pricing unknown.
Where was Soul shown?
In 1 creator video by Matthew Berman. Most recently by Matthew Berman on 24 Aug 2026, at 30:25 in “How to Understand the Next Wave of AI Before Everyone Else | Tibo Interview”.

Sources: creator videos at the linked timestamps. EU status is information, not legal advice; see how we check.

About

Soul (also referred to as Sol) is an OpenAI model that has so far been described only in a creator interview. No official page, model card or documentation could be retrieved, so details are limited.

According to a Matthew Berman interview segment, the model was used internally to optimize how another OpenAI model, Luna, is served, which produced efficiency gains. It is also described as significantly more token-efficient than Terra. These claims come from a single secondary source and are not independently confirmed.

Public availability, access method, pricing, modalities, context length and release date are not known from the material available.

Key features
  • Reportedly used to optimize serving of Luna
  • Described as significantly more token-efficient than Terra
  • Developed by OpenAI
1 moment

As seen on YouTube

Watch the moment: the exact second top creators show it. Videos load only when you press play, via youtube-nocookie.com.

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