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AI & Enterprise

China open-weight models close gap with U.S. closed AI, with costs one-fifth and a 4.4-month gap

Open-weight AI models are rapidly catching up with U.S. big tech’s top closed models, changing how companies deploy AI tools. Mozilla analysed the performance gap at about 4.4 months. Its report said value for money matters more than raw performance, citing Moonshot AI’s open model Kimi K3 and Anthropic’s closed model Fable 5. It said closed models still lead in expert work, intensive search and long-context tasks.

AI & Enterprise

Chinese AI models overtake U.S. in token usage, DeepSeek V4 ranks No. 1

Chinese AI models have pulled well ahead of U.S. models in token usage, NDTV Profit reported, citing OpenRouter data. OpenRouter said Chinese models have surpassed U.S. models in token consumption so far this year. NDTV Profit said efficient model design let Chinese AI research companies set lower token prices than leading U.S. firms. DeepSeek V4 Flash led with 4.63 trillion tokens, and only Anthropic appeared among the top five models.

AI & Enterprise

AI fact-checking tests of five latest models show 67 percent disagreement

Can AI replace fact-checking? Tests of five latest AI models on 1,000 identical claims found their verdicts diverged in more than two-thirds of cases. Fact-checking service Lenz analysed agreement rates across major large language models and found all five reached the same conclusion in 328 cases, while 672 showed at least one differing judgment. Lenz said the study was not aimed at picking a best model and is running follow-up accuracy research with human labels.