OpenAI Alleges DeepSeek Used Proprietary Models Without Permission As Microsoft Investigates AI Security Risks: 'There's Substantial Evidence' - Microsoft (NASDAQ:MSFT), NVIDIA (NASDAQ:NVDA)
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OpenAI announced it has uncovered evidence that Chinese artificial intelligence startup DeepSeek allegedly used its proprietary models.

Summary

OpenAI claims Chinese AI startup DeepSeek used its proprietary models without authorization, allegedly extracting large amounts of data via OpenAI’s API.

The company blocked suspected accounts for violating its terms of service.

The revelation comes as OpenAI restructures into a for-profit entity and deepens its partnership with Microsoft.

DeepSeek’s emergence has disrupted AI markets, briefly affecting NVIDIA’s stock.