OpenAI held its second livestream this week today at 10 am PT. The video teased that the company was “introducing the next chapter for ChatGPT” today. OpenAI has openly discussed bringing Codex workflows into the main ChatGPT app for some time now.
Today’s release includes a new ChatGPT Work agent, an upgraded ChatGPT desktop app with Codex included, and a new hosted sites service for OpenAI customers.
GPT-5.6 Sol, Terra, and Luna are available today
Additionally, OpenAI says it will release GPT-5.6 today after first announcing the three new models, Sol, Terra, and Luna at the end of June. Here’s a recap of the new models:
Sol, OpenAI’s flagship model
Terra, their balanced model for everyday work
Luna, their fast and affordable model
The Sol, Terra, and Luna naming scheme is also new with GPT-5.6.
“In this new naming system introduced with GPT‑5.6, the number identifies a model’s generation, while Sol, Terra, and Luna identify durable capability tiers that can advance on their own cadence,” OpenAI said in June. “Together, the family gives people and developers clearer choices across intelligence, speed, and cost.”
The new models are rolling out over the next 24 hours.
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