Expired50% confidenceFactExact time
GPT-5.6's naming convention shifts from generation-number designations to capability-tier designations: Sol is the flagship top-tier model, Terra targets everyday high-frequency work with performance matching the previous-generation 5.5 but at a lower price, and Luna emphasizes speed and cost savings.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/11/2026
First Seen
Valid until: 10/9/2026(expired)
Sources
Related Claims
VerifiedThe three GPT-5.6 models are positioned as follows: Sol is the flagship performance model, Terra balances performance and cost, and Luna is the most economical option.80% similarUnverifiedIn 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.79% similarUnverifiedGPT-5.6的命名规则从代次编号转向能力档位命名，Sol、Terra、Luna三个名字代表能力档位，各自可按自己的节奏迭代79% similarUnverifiedGPT-5.6采用全新命名逻辑，数字代表代际，So/Terra/Luna为固定能力等级标签，将长期沿用79% similarUnverifiedSol is more efficient than GPT-5.5, but the token efficiency of Terra and Luna has actually declined.78% similar
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