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Industry Analysis
GPT-5.6 Sol, Terra, Luna: New OpenAI Tiers Explained
OpenAI officially previewed GPT-5.6 on June 26, 2026, introducing Sol (frontier reasoning), Terra (balanced, ~half GPT-5.5 cost), and Luna (fast and …
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Industry Analysis
GPT-5.6 Leak News: 1.5M Context, UI Breakthrough, June 2026
Codex rollout logs and developer tests point to gpt-5.6 (iris-alpha): a 1.5M-token context window, cleaner frontend UI output, and a crowded June 2026 launch …