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/topics/gpt-5-6-sol-frontier-model-variants-and-selection

GPT-5.6 Sol frontier model variants and selection

5 items2 sourcesupdated 14d agotrend 0

OpenAI released GPT-5.6 with multiple frontier model variants (Sol Pro, Sol, Terra, Luna) designed for different use cases. Early testing shows GPT-5.6 Sol Pro outperforming competitors on creative and mathematical reasoning tasks, including discovering a false mathematical conjecture with minimal prompting.

  • GPT-5.6 Sol Pro variant demonstrated superior performance on creative writing tasks compared to Fable, Kimi, and Gemini
  • GPT-5.6 Pro discovered the Dinitz-Garg-Goemans conjecture is false using only 58 words of prompting
  • Multiple GPT-5.6 variants available: Sol Pro, Sol, Terra, and Luna for different applications
  • V0.5.2 release included 1400 fixes addressing SOA, ownership, and garbage collection improvements