{"type": "article", "title": "OpenAI Previews GPT-5.6 With Sol, Terra, and Luna: Tiered Models, New Reasoning Modes, Limited Access", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/openai-previews-gpt-5-6-with-sol-terra-and-luna-tiered-models-new-reasoning", "original_source": "https://www.marktechpost.com/2026/06/26/openai-previews-gpt-5-6-with-sol-terra-and-luna-tiered-models-new-reasoning-modes-limited-access/", "published": "2026-06-26T19:18:58+00:00", "accessed": "2026-06-26", "id": "openai-previews-gpt-5-6-with-sol-terra-and-luna-tiered-models-new-reasoning"}