  Select Model and Effort


  1. GPT-6.1-Sol            Latest workhorse model for coding and everyday work.
  2. GPT-6.1 Terra          GPT-6.1 Terra Codex model.
› 3. GPT-6-Astra (current)  Frontier intelligence for the most demanding work.
  4. GPT-6-Sol              Previous generation workhorse model.
  5. GPT-6-Luna             Fast and affordable model for easier tasks.
  6. GPT-5.6-Sol            Older generation workhorse model.
  7. GPT-5.6-Terra          Older balanced model for straightforward work.
  8. GPT-5.6-Luna           Older fast and efficient model.

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