Expired70% confidenceFactExact time
Sol is the flagship model with the strongest capabilities, Terra is a balanced model oriented toward everyday work, and Luna focuses on speed and low cost
4
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
7/10/2026
First Seen
Valid until: 10/8/2026(expired)
Sources
GPT-5.6 Three-Model Benchmark: How Close Are Sol/Terra/Luna to Claude?
bilibili烟神殿副殿主7/9/2026
Related Claims
UnverifiedTerra targets everyday high-frequency work, matching the performance of the previous generation 5.5 but at a lower price; Luna focuses on speed and cost-efficiency for a value-oriented approach; Sol is the flagship top-tier model.79% similarUnverifiedThe reviewer considers Fable to be the strongest model currently available but at a high cost; Sol offers good value in back-end agent and long-horizon tasks, while Luna is suitable for extreme-cost agent scenarios.65% similarUnverifiedSol is the only version with a fully closed loop from frontend to packaging, which is the real reason for its premium.59% similarUnverifiedThe main change from 5.6 Sol to 6 Sol is pricing, with both input and output costs reduced by half.58% similar
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