Mistral AI's €2B Boost, OpenAI's $10.3B Share Sale, and China's AI Labeling Mandate - Daily AI Brief #274

September 04, 2025 - Daily AI Brief
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Welcome to today's AI Brief.

PayPal and Venmo are offering early access to the new AI browser, Comet. Meanwhile, DeepL has introduced an AI tool aimed at business automation. Google has added customizable podcast tones to its NotebookLM platform, and CoreWeave has acquired OpenPipe to enhance AI agent training capabilities.

Mistral AI has secured a €2 billion investment, reaching a valuation of $14 billion. Additionally, OpenAI has expanded its secondary share sale to $10.3 billion. Stay tuned for more updates on these developments and other AI news.
PayPal and Venmo Partner with Perplexity for AI Browser Access
PayPal and Venmo users in the U.S. can now access Perplexity's AI browser, Comet, early, with a complimentary year of Perplexity Pro subscription. This initiative is part of a collaboration to boost user engagement and subscription management within the PayPal app. Read more
DeepL Introduces AI Tool for Business Automation
DeepL has launched DeepL Agent, an AI tool aimed at automating business workflows such as finance and customer support. Currently in beta, it seeks to improve productivity by managing repetitive tasks. Read more
Google's NotebookLM Adds Customizable Podcast Tones
Google's AI assistant NotebookLM now offers customizable tones for AI podcasts, including new formats and voices, to improve user interaction with summarized content. Read more
CoreWeave Acquires AI Startup OpenPipe
CoreWeave has acquired OpenPipe, a startup known for its open-source toolkit for AI agents, to enhance its cloud services for AI model training. Read more
Mistral AI Secures €2 Billion Investment
French AI startup Mistral AI is finalizing a €2 billion investment, raising its valuation to $14 billion. The company, founded by former DeepMind and Meta researchers, focuses on open-source language models and the AI chatbot Le Chat. Read more
OpenAI Expands Secondary Share Sale to $10.3 Billion
OpenAI has increased its secondary share sale to $10.3 billion, valuing the company at $500 billion. This allows eligible employees to sell their shares, with the transaction closing in October 2025. Read more

Other news

In recent developments, the Cyberspace Administration of China has mandated that all AI-generated content be labeled starting September 1, 2025, to enhance transparency and combat misinformation. Meanwhile, Xpanner has launched the X1 Kit, a retrofit system designed to automate construction machinery, addressing labor shortages and safety concerns in the industry.

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