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What are the leading U.S. and Chinese AI models?

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Leading U.S. models include those developed by OpenAI, Google, Anthropic, xAI, and Meta, such as GPT, Gemini, Claude, Grok, and Llama. Leading Chinese models include Alibaba’s Qwen, DeepSeek’s models, ByteDance’s Doubao, Baidu’s ERNIE, and Tencent’s Hunyuan. Chinese models have rapidly caught up with their U.S. counterparts in performance. China has also emerged as a major source of open-source models, whereas most leading U.S. models remain closed.