Expired60% confidenceFactExact time
In the GPT-5.6 family, Sol is the most powerful model targeting complex agentic workflows, Terra is a faster model targeting everyday workflows, and Luna is the fastest and most economical model targeting high-frequency, large-batch tasks.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/12/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/10/2026(expired)
Sources
ChatGPT Work Officially Launches: How GPT-5.6 Is Reshaping the Way You Work
bilibiliGoldenSpiderAI7/9/2026
Related Claims
VerifiedThe GPT-5.6 series includes three models with different positioning: SOL (flagship) emphasizes maximum performance, TERRA (balanced) targets everyday work scenarios, and LUNA (speed) pursues response speed and cost-effectiveness.80% similarUnverifiedGPT-5.6 Sol is the flagship top-tier model, designed specifically for complex agentic workflows, and was made available to all paid users within 24 hours of launch.80% similarUnverifiedGPT-5.6 Soul is the flagship version with the highest performance and cost; Terra is a balanced model for everyday work; Luna is the most cost-effective entry-level model.79% similar
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