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OpenAI · model release

GPT-6 Sol and Luna

OpenAI releases two cheaper GPT-6 models, Sol and Luna, for everyday work at lower prices.

In detail

OpenAI added GPT-6 Sol and GPT-6 Luna to the GPT-6 family after Astra, cutting API prices by 50% against GPT-5.6 promotional pricing. They arrived in ChatGPT Work and Codex for paid plans and in the API.

Sources

  1. Introducing GPT-6 Sol and Luna · OpenAI · Primary source
  2. OpenAI product news (dated list) · OpenAI · Primary source

Last checked 11 November 2026.

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