Expired50% confidenceFactExact time
Sol is the most capable of the three models, priced on par with GPT-5.5, and is suitable for complex coding and long-task scenarios.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/23/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/21/2026(expired)
Sources
GPT-5.6 Three-Model Showdown: Sol vs Terra vs Luna — Which One Should You Pick?
bilibili麦冬AI实验室7/11/2026
Related Claims
UnverifiedGPT-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.82% similarVerifiedThe 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.81% similarVerifiedSol is the flagship model of the GPT-5.6 family, designed specifically for the most complex task scenarios.80% similarUnverifiedGPT-5.6 Sol is an all-new flagship model focused on complex reasoning and agentic programming.79% similarUnverifiedGPT-5.6 Sol has the capability to handle long-cycle tasks running continuously for days, requiring only a given objective to iteratively produce detailed results, with significantly improved UI generation quality.79% similar
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