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OpenAI's weekly active users have surpassed 400 million, a significant increase from its 300 million users in December. This growth underscores the rapid adoption of artificial intelligence tools, with paying business users also crossing 2 million in February. However, concerns have been raised about the impact of new entrants like DeepSeek on U.S. dominance in the generative AI space.

DeepSeek has broken into the mainstream consciousness after its chatbot app rose to the top of the Apple App Store charts (and Google Play, as well). DeepSeek's AI models, trained using compute-efficient techniques, have led Wall Street analysts — and technologists — to question whether the U.S. can maintain its lead in the AI race and whether the demand for AI chips will sustain. The company's ability to offer a general-purpose text- and image-analyzing system at a lower cost than comparable models has forced domestic competition to cut prices, making some models completely free.

DeepSeek has emerged as a significant player in the ongoing AI revolution, positioning itself as an open-source chatbot that competes with established entities like OpenAI. While its efficiency and lower operational costs promise to democratize AI, concerns around data privacy and potential biases in its training data raise critical questions for users and developers alike. As the technology landscape evolves, organizations must balance the rapid adoption of AI tools with the imperative for robust data governance and ethical considerations.

The advancements made by DeepSeek highlight the increasing prominence of Chinese firms within the artificial intelligence sector, as noted by a spokesperson for China's parliament. Lou Qinjian praised DeepSeek's achievements, emphasizing their open-source approach and contributions to global AI applications, reflecting China's innovative capabilities. Despite facing challenges abroad, including bans in some nations, DeepSeek's technology continues to gain traction within China, indicating a robust domestic support for AI development.

OpenAI has begun rolling out its newest AI model, GPT-4.5, to users on its ChatGPT Plus tier, promising a more advanced experience with its increased size and capabilities. However, the new model's high costs are raising concerns about its long-term viability. The rollout comes after GPT-4.5 launched for subscribers to OpenAI’s $200-a-month ChatGPT Pro plan last week.

GPT-4.5 is OpenAI's latest AI model, trained using more computing power and data than any of the company's previous releases, marking a significant advancement in natural language processing capabilities. The model is currently available to subscribers of ChatGPT Pro as part of a research preview, with plans for wider release in the coming weeks. As the largest model to date, GPT-4.5 has sparked intense discussion and debate among AI researchers and enthusiasts.

GPT-4.5 offers marginal gains in capability but poor coding performance despite being 30 times more expensive than GPT-4o. The model's high price and limited value are likely due to OpenAI's decision to shift focus from traditional LLMs to simulated reasoning models like o3. While this move may mark the end of an era for unsupervised learning approaches, it also opens up new opportunities for innovation in AI.

Chinese AI startup DeepSeek is rapidly gaining attention for its open-source models, particularly R1, which competes favorably with established players like OpenAI. Despite its innovative capabilities and lower pricing structure, DeepSeek is facing scrutiny over security and privacy concerns, including undisclosed data practices and potential government oversight due to its origins. The juxtaposition of its technological advancements against safety and ethical challenges raises significant questions about the future of AI in the context of national security and user privacy.

In accelerating its push to compete with OpenAI, Microsoft is developing powerful AI models and exploring alternatives to power products like Copilot bot. The company has developed AI "reasoning" models comparable to those offered by OpenAI and is reportedly considering offering them through an API later this year. Meanwhile, Microsoft is testing alternative AI models from various firms as possible replacements for OpenAI technology in Copilot.

DeepSeek R1 has shattered the monopoly on large language models, making AI accessible to all without financial barriers. The release of this open-source model is a direct challenge to the business model of companies that rely on selling expensive AI services and tools. By democratizing access to AI capabilities, DeepSeek's R1 model threatens the lucrative industry built around artificial intelligence.

OpenAI is making a high-stakes bet on its AI future, reportedly planning to charge up to $20,000 a month for its most advanced AI agents. These Ph.D.-level agents are designed to take actions on behalf of users, targeting enterprise clients willing to pay a premium for automation at scale. A lower-tier version, priced at $2,000 a month, is aimed at high-income professionals. OpenAI is betting big that these AI assistants will generate enough value to justify the price tag but whether businesses will bite remains to be seen.

DeepSeek's astonishing profit margin of 545% highlights the extraordinary efficiency of its AI models, which have been optimized through innovative techniques such as balancing load and managing latency. This unprecedented level of profitability has significant implications for the future of AI startups and their revenue models. However, it remains to be seen whether this can be sustained in the long term.

Bret Taylor discussed the transformative potential of AI agents during a fireside chat at the Mobile World Congress, emphasizing their higher capabilities compared to traditional chatbots and their growing role in customer service. He expressed optimism that these agents could significantly enhance consumer experiences while also acknowledging the challenges of ensuring they operate within appropriate guidelines to prevent misinformation. Taylor believes that as AI agents become integral to brand interactions, they may evolve to be as essential as websites or mobile apps, fundamentally changing how customers engage with technology.

OpenAI has expanded access to its latest model, GPT-4.5, allowing more users to benefit from its improved conversational abilities and reduced hallucinations. The new model is now available to ChatGPT Plus users for a lower monthly fee of $20, reducing the barrier to entry for those interested in trying it out. With its expanded rollout, OpenAI aims to make everyday tasks easier across various topics, including writing and solving practical problems.

Alibaba Group's release of an artificial intelligence (AI) reasoning model has driven its Hong Kong-listed shares more than 8% higher on Thursday, outperforming global hit DeepSeek's R1. The company's AI unit claims that its QwQ-32B model can achieve performance comparable to top models like OpenAI's o1 mini and DeepSeek's R1. Alibaba's new model is accessible via its chatbot service, Qwen Chat, allowing users to choose various Qwen models.

AppLovin Corporation (NASDAQ:APP) is pushing back against allegations that its AI-powered ad platform is cannibalizing revenue from advertisers, while the company's latest advancements in natural language processing and creative insights are being closely watched by investors. The recent release of OpenAI's GPT-4.5 model has also put the spotlight on the competitive landscape of AI stocks. As companies like Tencent launch their own AI models to compete with industry giants, the stakes are high for those who want to stay ahead in this rapidly evolving space.

U.S. chip stocks have stumbled this year, with investors shifting their focus to software companies in search of the next big thing in artificial intelligence. The emergence of lower-cost AI models from China's DeepSeek has dimmed demand for semiconductors, while several analysts see software's rise as a longer-term evolution in the AI space. As attention shifts away from semiconductor shares, some investors are betting on software companies to benefit from the growth of AI technology.

Regulators have cleared Microsoft's OpenAI deal, giving the tech giant a significant boost in its pursuit of AI dominance, but the battle for AI supremacy is far from over as global regulators continue to scrutinize the partnership and new investors enter the fray. The Competition and Markets Authority's ruling removes a key concern for Microsoft, allowing the company to keep its strategic edge without immediate regulatory scrutiny. As OpenAI shifts toward a for-profit model, the stakes are set for the AI arms race.

OpenAI has introduced NextGenAI, a consortium aimed at funding AI-assisted research across leading universities, backed by a $50 million investment in grants and resources. The initiative, which includes prestigious institutions such as Harvard and MIT as founding partners, seeks to empower students and researchers in their exploration of AI's potential and applications. As this program unfolds, it raises questions about the balance of influence between OpenAI's proprietary technologies and the broader landscape of AI research.

US chip stocks were the biggest beneficiaries of last year's artificial intelligence investment craze, but they have stumbled so far this year, with investors moving their focus to software companies in search of the next best thing in the AI play. The shift is driven by tariff-driven volatility and a dimming demand outlook following the emergence of lower-cost AI models from China's DeepSeek, which has highlighted how competition will drive down profits for direct-to-consumer AI products. Several analysts see software's rise as a longer-term evolution as attention shifts from the components of AI infrastructure.

A recent DeskTime study found that 72% of US workplaces adopted ChatGPT in 2024, with time spent using the tool increasing by 42.6%. Despite this growth, individual adoption rates remained lower than global averages, suggesting a slower pace of adoption among some companies. The study also revealed that AI adoption fluctuated throughout the year, with usage dropping in January but rising in October.

DeepSeek, a Chinese AI startup behind the hit V3 and R1 models, has disclosed cost and revenue data that claims a theoretical cost-profit ratio of up to 545% per day. The company revealed its cost and revenue data after web and app chatbots powered by its R1 and V3 models surged in popularity worldwide, causing AI stocks outside China to plummet in January. DeepSeek's profit margins are likely to be lower than claimed due to the low cost of using its V3 model.

Financial analyst Aswath Damodaran argues that innovations like DeepSeek could potentially commoditize AI technologies, leading to reduced demand for high-powered chips traditionally supplied by Nvidia. Despite the current market selloff, some experts, like Jerry Sneed, maintain that the demand for powerful chips will persist as technological advancements continue to push the limits of AI applications. The contrasting views highlight a pivotal moment in the AI market, where efficiency gains may not necessarily translate to diminished need for robust processing capabilities.

ChatGPT's weekly active users have doubled in under six months, with the app reaching 400 million users by February 2025, thanks to new releases that added multimodal capabilities. This growth is largely driven by consumer interest in trying the app, which initially was sparked by novelty. The recent releases have also led to increased usage, particularly on mobile.

A high-profile ex-OpenAI policy researcher, Miles Brundage, criticized the company for "rewriting" its deployment approach to potentially risky AI systems by downplaying the need for caution at the time of GPT-2's release. OpenAI has stated that it views the development of Artificial General Intelligence (AGI) as a "continuous path" that requires iterative deployment and learning from AI technologies, despite concerns raised about the risk posed by GPT-2. This approach raises questions about OpenAI's commitment to safety and its priorities in the face of increasing competition.

OpenAI Startup Fund has successfully invested in over a dozen startups since its establishment in 2021, with a total of $175 million raised for its main fund and an additional $114 million through specialized investment vehicles. The fund operates independently, sourcing capital from external investors, including prominent backer Microsoft, which distinguishes it from many major tech companies that utilize their own funds for similar investments. The diverse portfolio of companies receiving backing spans various sectors, highlighting OpenAI's strategic interest in advancing AI technologies across multiple industries.