The Sequence Radar #893: Last Week in AI: GPT-5.6, Grok 4.5, Muse Spark 1.1 and the Post-Chatbot Stack
TheSequence Jesus Rodriguez ● Covered by 7 sources
Frontier AI labs are releasing new models and interfaces at a near-monthly cadence: GPT-5.6, GPT-Live, ChatGPT Work, Grok 4.5, and Muse Spark 1.1 represent a shift from chatbots toward agentic systems that execute tasks across tools and interfaces. OpenAI's GPT-5.6 introduces programmatic tool calling and parallel subagents, while Meta's Muse Spark 1.1 offers a million-token context window and active context management, with pricing around $4.3 billion for a Shanghai IPO and funding rounds reaching $1.2 billion valuations. The competition is shifting from benchmark performance toward systems that own the loop between user intent and completed artifacts, requiring new infrastructure for permissions, audit trails, and governance as agents perform consequential tasks.
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