GPT-5.6 Price Cuts + Fast Mode for Sol
OpenAI cut GPT-5.6 Luna's price by 80% and Terra's by 20%, with the lower prices reflected in Codex and ChatGPT Work usage. A new Fast mode for GPT-5.6 Sol
OpenAI cut GPT-5.6 Luna's price by 80% and Terra's by 20%, with the lower prices reflected in Codex and ChatGPT Work usage. A new Fast mode for GPT-5.6 Sol in the API delivers up to 2.5x the speed at 2x the standard price. Auto-review in the ChatGPT app and Codex CLI also upgraded from GPT-5.4 to GPT-5.6 Luna, expected to cost about 10x less at the new pricing.