{"slug": "openai-releases-gpt-5-6-suite-in-limited-preview", "title": "OpenAI releases GPT-5.6 suite in limited preview", "summary": "OpenAI released a limited preview of the GPT-5.6 series with three tiers—Sol, Terra, and Luna—after the White House requested restricted access. The flagship Sol tier features new reasoning modes and is priced at $5 input and $30 output per token. CEO Sam Altman said access will be approved customer by customer.", "body_md": "OpenAI has begun a limited preview of the **GPT-5.6** series, introducing three capability tiers: `Sol` (flagship), `Terra` (balanced), and `Luna` (fast, low-cost), according to OpenAI's announcement and reporting by 9to5Mac. Per the company, `Sol` gains two new modes, `max` for deeper reasoning and `ultra` which uses subagents to accelerate complex tasks. Multiple outlets report the rollout is restricted after a request from the U.S. administration: Axios and CNN say the White House's Office of the National Cyber Director and the Office of Science and Technology Policy asked OpenAI to preview the model with a small set of government-approved partners, and The Information reported CEO Sam Altman told staff access would be approved \"customer by customer.\" The Verge published per-token pricing for `Sol` at **$5** input / **$30** output and described safety controls for cyber assistance.", "url": "https://wpnews.pro/news/openai-releases-gpt-5-6-suite-in-limited-preview", "canonical_source": "https://letsdatascience.com/news/openai-releases-gpt-56-suite-in-limited-preview-8e915326", "published_at": "2026-06-26 17:19:53+00:00", "updated_at": "2026-06-26 18:10:33.915842+00:00", "lang": "en", "topics": ["large-language-models", "ai-safety", "ai-policy", "ai-products", "ai-infrastructure"], "entities": ["OpenAI", "GPT-5.6", "Sol", "Terra", "Luna", "Sam Altman", "White House", "Office of the National Cyber Director"], "alternates": {"html": "https://wpnews.pro/news/openai-releases-gpt-5-6-suite-in-limited-preview", "markdown": "https://wpnews.pro/news/openai-releases-gpt-5-6-suite-in-limited-preview.md", "text": "https://wpnews.pro/news/openai-releases-gpt-5-6-suite-in-limited-preview.txt", "jsonld": "https://wpnews.pro/news/openai-releases-gpt-5-6-suite-in-limited-preview.jsonld"}}