OpenAI has announced the release of its GPT-5.6 series of models, including the flagship Sol model which now supports an "Ultra mode" for coordinating multiple AI agents. This new series aims to improve efficiency in tasks like coding and cybersecurity while reducing costs and response times. Separately, SpaceX AI and Cursor have collaborated on a Grok AI model, Grok 4.5, designed for complex tasks in software engineering, legal, and financial sectors, aiming to compete with established players like Anthropic and OpenAI. AI
IMPACT Sets new SOTA on coding benchmarks; pressures Anthropic to respond.
RANK_REASON Frontier-lab model release with system card [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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