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Chinese AI labs now primarily use OpenAI's GPT-6 Astra model instead of Anthropic's Claude after Anthropic tightened defenses. DeepSeek and Moonshot AI trained models Kimi K3.1 Pro and V4.1-Flash 1017 using Astra. Anthropic claims new methods cut attacker data access by 90 to 99 percent following a late September coordinated campaign.
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Summary by ByteBrief
OpenAI Retreats on China Chip Limits