ChatGPT-5.6 Sol, Terra and Luna are available starting today in ChatGPT, Codex and the OpenAI API, OpenAI said in a blog post ...
OpenAI's GPT-5.6 launch looks aimed directly at Anthropic. Sol, Terra, and Luna map closely to GPT-5.5's tiers. ChatGPT Work ...
OpenAI has unveiled GPT-5.6 Sol, Terra, and Luna, a new lineup of AI models focused on faster workflows, lower costs, and fewer follow-up prompts.