GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday

OpenAI announced that GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday, with global preview access expanding now.

OpenAI @OpenAI GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday. We’re expanding preview access globally now. 3:59 AM · Jul 8, 2026 257.6K Views