OpenAI says it has found evidence that Chinese artificial intelligence start-up DeepSeek used the US company’s proprietary models to train its own open-source competitor, as concerns grow over a potential breach of intellectual property.

Alibaba claims that its Qwen2.5-Max artificial intelligence model outperformed its rivals at OpenAI, Meta and DeepSeek.

Alibaba says it's new artificial intelligence model is superior to DeepSeek. It says the Qwen 2.5 Max edition scored better than Meta Platforms Inc.’s Llama and DeepSeek’s V3 model in various tests. Matthew Bloxham of Bloomberg Intelligence is on ".

OpenAI has accused Chinese AI start-up DeepSeek of using its proprietary models to train an open-source competitor.

It’s impossible to look at the Chinese artificial intelligence startup DeepSeek’s new AI model without comparing it against OpenAI, the dominant American rival.DeepSeek has touted its latest AI model,