Article · ChatGPT
GPT-5.6 Sol vs. Terra vs. Luna: Choosing the Right Codex Model
Learn when to use GPT-5.6 Sol, Terra, or Luna in Codex for architecture, feature development, debugging, testing, UI work, and lower AI costs.

Mahesh Chand

Sep 13,5111,000

Article · ChatGPT

GPT-5.6 Sol vs. Terra vs. Luna: What They Do and How to Choose the Best Model

Learn what GPT-5.6 Sol, Terra, and Luna are, how they compare in capability, speed, pricing, availability, and use cases, and how to choose the right OpenAI model for your workload.

Rohit GuptaJul 176,0871,000

GPT-5.6 Sol · by contributions

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GPT-5.6 Sol vs. Terra vs. Luna: Choosing the Right Codex Model

GPT-5.6 Sol vs. Terra vs. Luna: What They Do and How to Choose the Best Model