作者丨冯汝梅 编辑丨关雎 人工智能赛道又一个惊人融资事件诞生。 2025年12月8日，由前Databricks人工智能主管Naveen Rao创立仅两个月的AI神经形态计算芯片初创公司——Unconventional AI，在种子轮融资中筹集了 4.75亿美元（约合33亿元），投后估值飙升至45亿美元（约合318亿元）。这一融资规模不仅远超常规种子轮水平，甚至超过多数初创企业的C轮融资，创 下AI芯片领域早期融资纪录之一。 此次融资由Andreessen Horowitz（a16z）和Lightspeed Venture Partners共同领投，其他投资者包括Lux Capital和DCVC。Rao的前雇主Databricks以及亚马逊 创始人杰夫·贝索斯（Jeff Bezos）也参与了本轮投资。Rao本人也按与其他投资者相同的条款投资了1000万美元。 值得注意的是，这笔融资还只是Unconventional AI更大规模融资计划的第一步。根据Rao透露，公司计划后续融资总额可能高达10亿美元。 作为一家尚无产品、成立仅数周的初创公司，Unconventional AI的核心竞争力首先源于其豪华的创始团队 ...

Core Insights - Unconventional AI, a startup founded by Naveen Rao, raised $475 million in seed funding, achieving a post-money valuation of $4.5 billion, marking a record in early-stage financing within the AI hardware sector [3][4]. - The company aims to develop next-generation digital computing by designing simulation chips inspired by neuroscience principles, addressing the energy consumption challenges faced by traditional AI computing [15][19]. Company Overview - Unconventional AI was established just two months prior to its significant funding round, with a founding team that includes experts from MIT, Stanford, and former Google engineers, providing a comprehensive capability chain from theory to application [5][7]. - Rao's previous entrepreneurial successes include Nervana Systems, which was acquired by Intel for approximately $400 million, and MosaicML, which was sold to Databricks for $1.3 billion [12][14]. Technological Vision - The company seeks to redefine AI computing hardware architecture by creating high-efficiency simulation chips tailored for AI workloads, diverging from the traditional reliance on GPUs [17][20]. - Unconventional AI's approach contrasts with the prevailing "scaling laws" in AI development, which emphasize increasing computational power and data size, by focusing on energy efficiency and the probabilistic nature of AI tasks [18][24]. Industry Context - The rise of "Neo-Lab" startups, like Unconventional AI, reflects a shift in the AI landscape where founders with proven track records are attracting significant investment for long-term foundational research rather than immediate product commercialization [25][26]. - The funding environment is increasingly favoring companies that challenge existing paradigms in AI development, as evidenced by the substantial valuations of similar startups [28].

Core Insights - Google has made a remarkable turnaround in the AI and self-developed chip sectors, becoming a market favorite and putting pressure on competitors like OpenAI and NVIDIA [1] Group 1: AI Model Performance - Google's latest AI model, Gemini 3, has received widespread acclaim for outperforming previous models in coding, design, and analysis, surpassing competitors like ChatGPT in benchmark tests [2] - Since the release of Gemini 3 on November 18, Alphabet's stock has increased by over 12% [2] Group 2: Chip Development - Google has spent over a decade developing its Tensor Processing Units (TPUs) for internal use, which are now being used to train the Gemini models [3] - The company is pushing for more sales of TPUs through its cloud business, which poses a long-term threat to NVIDIA's business [3] - Google is reportedly in talks with Meta for a significant deal worth billions, potentially allowing Meta to deploy Google's chips in its data centers, negatively impacting stocks of AMD and NVIDIA [3] Group 3: Antitrust Developments - In September, a U.S. federal judge ruled on an antitrust lawsuit against Google's search business, allowing the company to continue paying default search fees to partners like Apple without exclusive agreements [4] - Despite being found to have monopolistic behavior, Google emerged from the situation with minimal damage to its operations [4] Group 4: Investment Backing - Berkshire Hathaway, led by Warren Buffett, established a $4.3 billion stake in Alphabet, indicating strong confidence in the company [5] - Buffett's investment is notable as he typically avoids high-growth tech stocks, suggesting a significant belief in Google's potential [6] Group 5: Search Business Resilience - Google's core revenue from search advertising remains strong, with a 15% growth in search revenue in Q3, despite concerns about AI's impact on website traffic [7] - The company claims that generative AI has increased search frequency, and it is testing an AI-mode search advertising model that is moving beyond the experimental phase [7]

Core Insights - The article discusses the evolution of pre-training in AI, emphasizing its critical role in enhancing model performance through scaling laws and effective data utilization [5][8][9] - Nick Joseph, head of pre-training at Anthropic, shares insights on the challenges and strategies in AI model development, particularly focusing on computational resources and alignment with human goals [2][3][4] Pre-training Fundamentals - Pre-training is centered around minimizing the loss function, which is the primary objective in AI model training [5] - The concept of "scaling laws" indicates that increasing computational power, data volume, or model parameters leads to predictable improvements in model performance [9][26] Historical Context and Evolution - Joseph's background includes significant roles at Vicarious and OpenAI, where he contributed to AI safety and model scaling [2][3][7] - The transition from theoretical discussions on AI safety to practical applications in model training reflects the industry's maturation [6][7] Technical Challenges and Infrastructure - The article highlights the engineering challenges faced in distributed training, including optimizing hardware utilization and managing complex systems [12][18][28] - Early infrastructure at Anthropic was limited but evolved to support large-scale model training, leveraging cloud services for computational needs [16][17] Data Utilization and Quality - The availability of high-quality data remains a concern, with ongoing debates about data saturation and the potential for overfitting on AI-generated content [35][36][44] - Joseph emphasizes the importance of balancing data quality and quantity, noting that while data is abundant, its utility for training models is critical [35][37] Future Directions and Paradigm Shifts - The conversation touches on the potential for paradigm shifts in AI, particularly the integration of reinforcement learning and the need for innovative approaches to achieve general intelligence [62][63] - Joseph expresses concern over the emergence of difficult-to-diagnose bugs in complex systems, which could hinder progress in AI development [63][66] Collaboration and Team Dynamics - The collaborative nature of teams at Anthropic is highlighted, with a focus on integrating diverse expertise to tackle engineering challenges [67][68] - The article suggests that practical engineering skills are increasingly valued over purely theoretical knowledge in the AI field [68][69] Implications for Startups and Innovation - Opportunities for startups are identified in areas that can leverage advancements in AI models, particularly in practical applications that enhance user experience [76] - The need for solutions to improve chip reliability and team management is noted as a potential area for entrepreneurial ventures [77]

Core Insights - The discussion around the "AI bubble" has cooled down, with Deutsche Bank recommending a long-term investment strategy rather than attempting to time the market for optimal returns [1][13][19] Group 1: Investment Trends - Major tech companies are investing hundreds of billions in AI infrastructure, raising concerns about potential bubble risks [2][8] - OpenAI's CEO announced a $500 billion infrastructure plan called "Stargate," while Meta has committed to investing several hundred billion in data centers [2][11] - Bain & Company predicts that AI companies will need $2 trillion in annual revenue by 2030 to support required computing power, but actual revenue may fall short by $800 billion [1][2] Group 2: Market Sentiment - Deutsche Bank's research indicates that the search volume for "AI bubble" has significantly decreased, reflecting a typical pattern seen in previous market bubbles [13][15] - Concerns about AI investments are diminishing, with media sentiment dropping from 7.3 to 5.1 on a scale of 10 [13][15] Group 3: Financial Strategies - Deutsche Bank emphasizes the difficulty of accurately timing the market, citing historical examples where missing key trading days drastically reduced returns [17][19] - The bank advises investors to adopt a long-term holding strategy to capture the risk premium associated with equity investments [19][20] Group 4: Challenges in AI Development - AI technology faces challenges, including diminishing returns on increased computing power and data, as acknowledged by OpenAI's CEO [8][12] - A study from MIT found that 95% of organizations have not seen any returns on their AI investments [6][8]

Group 1 - Safe Superintelligence (SSI) announced personnel changes, with co-founder Daniel Gross leaving and Ilia Sutskever taking over as CEO [2] - Daniel Levy has been promoted to president of SSI following Gross's departure [2] - Gross has joined Meta as the head of the AI product division [2] Group 2 - SSI's valuation reached $32 billion after a funding round in April 2025, with investments from Alphabet and Nvidia [4] - Sutskever emphasized the need for a new research direction in safe superintelligence, diverging from his previous work at OpenAI [4] - Sutskever noted the limitations of data availability, stating, "We have reached the limits of data. After all, there is only one internet" [4] Group 3 - Meta is undergoing a significant AI recruitment drive, investing $14 billion in Scale AI to attract top talent [5] - The company has faced challenges, losing 11 of the original authors of the Llama research paper, which has exacerbated its technical difficulties [5] - Meta's investment strategy includes acquiring 49% of Scale AI to bring in its founder, Alexandr Wang, as a lab leader [5] Group 4 - The competition for talent between Meta and OpenAI has intensified, with OpenAI's CEO Sam Altman accusing Meta of offering large salaries to lure developers [6] - Meta's recruitment efforts include targeting reasoning experts to address its technical shortcomings [7] - An internal memo from OpenAI revealed concerns about the competitive landscape, indicating a sense of urgency in adjusting compensation strategies [7]