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OpenAI Introduces New GPT Tiers: Sol, Terra, and Luna

OpenAI has launched new tiers for its GPT models, named Sol, Terra, and Luna, offering progressively advanced capabilities and performance.

10 July 2026
OpenAI Introduces New GPT Tiers: Sol, Terra, and Luna

OpenAI announced the introduction of three new tiers for its generative pre-trained transformer models: Sol, Terra, and Luna. These tiers represent a staggered release of advanced artificial intelligence capabilities, promising enhanced performance and functionality.

The Sol tier, positioned as the entry-level offering, provides foundational GPT capabilities. Terra builds upon Sol with expanded features and improved processing power, while the Luna tier represents the company's most advanced offering to date, designed for complex and demanding AI applications.

This tiered approach allows OpenAI to cater to a wider range of user needs and applications. The distinction between tiers suggests differences in model size, training data, and potential use cases, from general-purpose tasks to specialized AI development.

While specific technical details and pricing for each tier were not immediately disclosed, the naming convention suggests an evolution in complexity and power. The launch comes amid a rapidly expanding AI market, with competitors also introducing new models and services.

Original source: techinasia.com