OpenAI's Powerful New ChatGPT-5.6 Is Ready for You
Originally announced on June 26 and with a release teased on Wednesday, the latest and greatest ChatGPT model family has arrived.
ChatGPT-5.6 Sol, Terra and Luna are available starting today in ChatGPT, Codex and the OpenAI API, OpenAI said in a blog post. The model family is currently rolling out globally and should be available to all users "within the next 24 hours."
OpenAI has been at the forefront of the artificial intelligence movement since releasing ChatGPT nearly four years ago, and it's kept its lead in terms of overall users, despite increasing competition from rivals like Google and Anthropic.
(Disclosure: Ziff Davis, CNET's parent company, in 2025 filed a lawsuit against OpenAI, alleging it infringed Ziff Davis copyrights in training and operating its AI systems.)
Sol is the new flagship model and is built to handle complex reasoning, end-to-end technical execution and design. OpenAI calls it the company's...
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