GoKawiilOpenAI's briefing on the new models. Screenshot by David Gewirtz/ZDNET
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ZDNET's key takeaways
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 brings OpenAI's agent tools beyond coding.
OpenAI cranked out a series of big announcements today. They're news-making in their own right, but I have to be honest with you. These announcements also feel like they're OpenAI's way of playing catch-up with all the buzz Anthropic has been generating.
Key among the announcements are three new models: GPT-5.6 Sol, Terra, and Luna. We knew that 5.6 was on the way because the government stepped in last month to delay its release. This, of course, follows hot on the heels of the big news-dominating Anthropic/White House kerfuffle about Fable 5 and Mythos 5.
Also: I tested ChatGPT's Live Voice upgrade, and it almost felt human - how to try it
Also announced was ChatGPT Work, which is clearly OpenAI's answer to Claude Cowork. ChatGPT Work allows the AI to access your desktop and browser and perform tasks for you.
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