https://ai-news-today.github.io/chatgpt/en/tags/terra/Recent content in Terra on ChatGPT News TodayHugo -- gohugo.ioen© 2026 ChatGPT News TodaySun, 28 Jun 2026 00:00:00 +0000https://ai-news-today.github.io/chatgpt/en/articles/gpt-5-6-sol-terra-luna-official-2026/Sun, 28 Jun 2026 00:00:00 +0000https://ai-news-today.github.io/chatgpt/en/articles/gpt-5-6-sol-terra-luna-official-2026/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 affordable). Sol Ultra scored 91.9% on Terminal-Bench 2.1. Access is restricted to ~20 government-vetted partners while the US government completes its security review; broad availability is expected within weeks.