Expired90% confidenceFactExact time
The 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.
7
Sources
90%
Confidence
Medium-term (~90 days)
Relevance
7/11/2026
First Seen
Valid until: 10/9/2026(expired)
Sources
GPT-5.6 Trio Released: A Deep Dive into Sol/Terra/Luna and the Breakthrough in Design Judgment
redditr/singularity7/9/2026
Related Claims
UnverifiedIn 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.85% similarUnverifiedThe 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.83% similarUnverifiedSol 是三款模型中能力最强的，价格与 GPT-5.5 持平，适合复杂 coding 与长任务场景81% similarUnverifiedGPT-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.80% similar
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