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Illustration: Aïda Amer/Axios
It's getting harder to keep up with new AI models, pricing wars and must-know advancements. Here's a smart way to make sense of American labs one-upping each other this week:
1. American labs flooded the zone: Meta's Muse Spark 1.1, OpenAI's GPT-5.6 family, xAI's Grok 4.5, plus OpenAI's GPT-Live-1 voice models and its ChatGPT Work agent — all released this week, all impressive.












