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.

Plus, French AI pioneer Mistral weighs its future as DeepSeek changes the game and the lucrative business of airline loyalty programmes

SoftBank also invested in OpenAI during a $6.6bn fundraising round in October, which valued the start-up at $157bn, and the Financial Times reported the Japanese group planned to purchase an additional $1.5bn of stock in the company in November.

The San Francisco start-up claims that its Chinese rival may have used data generated by OpenAI technologies to build new systems.

SoftBank is in talks to invest up to $25 billion in OpenAI as part of a broader partnership that could see the Japanese conglomerate spend more than $40 OpenAI is in talks to raise up to $25 billion from SoftBank amid DeepSeek shock.

OpenAI's Stargate project lacks a fully developed plan and hasn't secured funding yet, according to a report from the Financial Times.

OpenAI is focusing on AI infrastructure with Stargate as rivals like China's DeepSeek close the gap on its AI models.

Digital news units of Indian billionaires Gautam Adani and Mukesh Ambani, and other outlets including the Indian Express and the Hindustan Times, are joining proceedings against OpenAI for improperly using copyright content,

OpenAI just released o3-mini, a reasoning model that’s faster, cheaper, and more accurate than its predecessor.

OpenAI just released o3-mini, a reasoning model that’s faster, cheaper, and more accurate than its predecessor.

OpenAI just released o3-mini, a reasoning model that’s faster, cheaper, and more accurate than its predecessor.