GPT-5.6 Sol vs Terra vs Luna: Save Money, Lose Nothing

GPT-5.6 Sol Terra Luna explained: learn exactly what each tier does, what it costs, and how to choose the right one for your workload without overspending. On July 9, 2026, OpenAI opened GPT-5.6 Sol, Terra, and Luna to everyone after a two-week government-gated preview, and Microsoft adopted GPT-5.6 as the preferred model in Microsoft 365 Copilot the same day. Three tiers went live at once, and every developer now has to make a real decision. This video breaks down the new Sol Terra Luna naming system, walks through OpenAI GPT-5.6 pricing and benchmarks, and gives you a practical three-question framework for GPT-5.6 model selection so you never pay Sol prices for Luna-level work again. In this video: - The new GPT-5.6 naming system: what the number and the tier name each mean - Sol, Terra, and Luna features, capabilities, and token pricing compared - Sol-only features: max reasoning effort and ultra mode with subagents - How Microsoft 365 Copilot maps tasks to the right GPT-5.6 tier in production - The gpt-5.6 API alias trap and how to pin explicit model IDs in your code Subscribe to Webronaq for clear, practical lessons on computer science, AI, and software engineering: https://www.youtube.com/@Webronaq #GPT56SolTerraLuna #OpenAI #GPT56 #AIModels #Webronaq