AI ToolsJul 12, 2026 · 8 min read
GPT-5.6 Sol, Terra & Luna: What OpenAI Just Shipped (And Which Tier Is Right for You)
OpenAI released GPT-5.6 on July 9, 2026 — three tiers named Sol, Terra, and Luna, plus ChatGPT Work. Here's the full breakdown with pricing, benchmarks, and who should use each.
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