Improving GPT-5.6 Sol in ChatGPT—and expanding access for free users
OpenAI upgraded GPT-5.6 Sol in ChatGPT and broadened free access, making its latest model tier available to more users.
Excerpt
ChatGPT introduces improved GPT-5.6 Sol with better accuracy and consistency, plus expanded access for free users and unlimited everyday chats with GPT-5.6 Luna.
Read at source: https://openai.com/index/improving-gpt-5-6-sol-in-chatgpt