GPT-5.6 Debuts as Musk Pushes Grok 4.5 in AI Showdown

TL;DR
OpenAI broadens the rollout of GPT-5.6 in three flavors—Sol, Terra, and Luna—promising stronger capabilities for coding, biology, and cybersecurity, while Elon Musk’s SpaceXAI unveils Grok 4.5 as a faster, more token‑efficient rival; the dueling moves intensify the OpenAI–Musk rivalry amid broader regulatory and industry dynamics.
- OpenAI's most advanced AI model is breaking free — and colliding with Elon Musk's latest Grok release Business Insider
- Scoop: Trump administration lifts restrictions on OpenAI's GPT 5.6 Axios
- OpenAI to publicly release GPT-5.6, rolls out conversational AI models CNBC
- OpenAI set to launch most capable GPT model after delayed rollout Reuters
- OpenAI to release its most powerful model after weekslong hold Politico
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