Model release: GPT 5.6 Sol & GPT-5.6

Model release ● Confirmed 92% confidence first seen 29 July 2026, 00:00

Type: Model release
Status: Confirmed
First seen: 29 July 2026, 00:00
Latest source: 31 July 2026, 11:20
Sources: 14

GPT 5.6 Sol GPT-5.6 GPT-5.6 Luna GPT-5.6 Sol GPT-5.6 Terra LLM LLM Luna OpenAI Saul Sol Anthropic ChatGPT ChatGPT Work Claude Fable 5 Claude Haiku 4.5 Codex GPT-4o mini GPT-5 nano GPT-5.4 GPT-5.6-luna GPT-5.6-sol GPT-5.6-terra Gemini 3.1 Flash-Lite Gemini Robotics 2 Google Google DeepMind Luna Terra Terra

Source coverage

29 Jul, 00:00 Model release: OpenAI & GPT-5.6 OpenAI official 29 Jul, 13:04 Model release: OpenAI & GPT-5.6 The New Stack 29 Jul, 18:44 Model release: OpenAI & GPT-5.6 Sol The New Stack 30 Jul, 10:00 Model release: OpenAI & GPT-5.6 OpenAI official 30 Jul, 10:39 Model release: OpenAI & ChatGPT ByteByteGo Newsletter newsletter 30 Jul, 11:17 Model release: OpenAI & GPT-5.6 OpenAI newsletter 30 Jul, 15:30 Model release: LLM & GPT-5.6-sol Simon Willison's Weblog industry analysis 30 Jul, 19:28 Model release: OpenAI & GPT-5.6 The New Stack 30 Jul, 22:52 Model release: OpenAI & GPT-5.6 Luna Simon Willison's Weblog industry analysis 30 Jul, 23:58 Model release: OpenAI & GPT-5.6 Luna Simon Willison's Weblog industry analysis 31 Jul, 04:40 Model release: OpenAI & GPT-5.6 Latent Space newsletter 31 Jul, 09:30 Model release: OpenAI & Google DeepMind The Neuron newsletter 31 Jul, 10:38 Model release: OpenAI & Google CNBC newsletter 31 Jul, 11:20 Model release: GPT 5.6 Sol & Saul Bottleneck Labs newsletter