A New Open-Weight Challenger to Anthropic, Reflection, Emerges NYT - Business By: Andrew Ross Sorkin, Bernhard Warner, Sarah Kessler, Michael J. de la Merced, Niko Gallogly, Brian O’Keefe, Sri Muppidi and Ian Mount 6 October 2026 at 12:04 Reflection AI, a start-up backed by Nvidia, unveiled an open-weight artificial intelligence model meant to compete with Chinese tools — and other U.S. ones. © Jason Henry for The New York TimesAnthropic’s latest challenger is an open-weight artificial intelligence model from Reflection AI, a start-up backed by Nvidia and others.