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Introducing GPT-6 Sol and Luna

OpenAI LLMs & Foundation Models 2026-09-22

TL;DR - OpenAI introduced GPT-6 Sol and Luna, two frontier models designed for everyday work. The limited announcement indicates they offer different tradeoffs between capability and cost, but provides no technical specifications or evaluation results.

  • Sol and Luna are positioned as complementary model options rather than a single release.
  • The models target practical, everyday workloads.
  • Users can choose between different capability and cost profiles.
  • No architecture details, benchmarks, pricing, or availability information are provided.

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