On the Opportunities and Risks of Foundation Models
Rishi BommasaniDrew A. HudsonEhsan AdeliRuss AltmanSimran AroraSydney von ArxMichael S. BernsteinJeannette BohgAntoine BosselutEmma Brunskill
Defines the paradigm of foundation models to systematically examine how large-scale pretrained systems yield emergent capabilities while concentrating technical, legal, and societal risks across downstream applications.
Artificial intelligence is undergoing a significant transformation marked by the rapid adoption of large-scale models trained on broad data via self-supervised learning, which are then adapted for a wide variety of downstream tasks. While these systems deliver remarkable capabilities across industries such as healthcare, law, and education, their rapid deployment introduces serious operational, ethical, and systemic risks that organizations must actively manage.
The article establishes a comprehensive framework to examine the dual characteristics of these systems—termed foundation models—by analyzing their core capabilities, technical principles, practical applications, and broad societal impacts. The authors conducted an extensive interdisciplinary review synthesizing progress across deep learning, transfer learning, natural language processing, computer vision, and robotics, evaluating both empirical advancements and sociotechnical challenges.
The article identifies five primary findings. First, foundation models are defined by two interacting forces: emergence, where advanced behaviors arise implicitly rather than from explicit programming, and homogenization, where a single base model powers numerous downstream applications. Second, while homogenization creates massive leverage by standardizing development, it introduces severe single points of failure, meaning any flaw, security vulnerability, or bias in the base model is automatically inherited across all downstream deployments. Third, scaling up parameters and training data yields emergent abilities, such as in-context learning and zero-shot task transfer, but also makes the internal mechanics of these systems opaque and prone to unexpected failure modes. Fourth, training these models requires massive computational resources, which concentrates development within a few well-resourced industrial technology firms and restricts academic access. Fifth, applying these models to high-stakes domains requires high sample efficiency, yet current systems still struggle with complex multimodal grounding, physical-world safety constraints, and reliable long-form factual generation.
These findings indicate that treating foundation models purely as isolated software components is inadequate for managing enterprise and societal risk. System defects directly affect cost, legal compliance, safety, and brand reputation across entire product ecosystems. Furthermore, reliance on proprietary, resource-intensive base models shifts control over critical digital infrastructure to a small group of commercial entities, requiring leaders to re-evaluate vendor dependencies, liability frameworks, and auditing procedures.
To safely capitalize on these technologies, organizations should implement rigorous downstream auditing, data governance, and application-specific safety guardrails rather than deploying raw models directly. Decision-makers must invest in surrogate evaluation metrics, promote transparent documentation (such as model and data sheets), and advocate for public computational infrastructure to preserve open, reproducible research. When deciding between using existing base models or building custom adaptations, leaders must carefully weigh performance gains against the trade-offs of inherited systemic risk, carbon footprint, and ongoing fine-tuning costs.
The article acknowledges key limitations, including the rapidly evolving nature of the technology and the scarcity of established mathematical theory to explain how foundation models operate and when they fail. Confidence in their demonstrated empirical capabilities is high, but stakeholders should exercise caution regarding deployment safety, factual reliability, and ethical compliance until robust evaluation standards and governance frameworks are established.
- Paper: Language Models are Few-Shot Learners, T. B. Brown et al. (2020). Reading GPT-3's introduction to few-shot scaling provides essential context for understanding the capabilities and prompt-based adaptation of foundation models analyzed in the source.
- Paper: On the Dangers of Stochastic Parrots: Can Language Models Be Too Big? 🦜, Emily M. Bender et al. (2021). Examining the social and ethical dangers of stochastic parrots offers critical background on the societal risks and uncurated web data dependencies discussed in the source report.
- Paper: Model Cards for Model Reporting, Margaret Mitchell et al. (2019). Reviewing model cards for reporting provides foundational guidance on documenting performance metrics and demographic biases that underpin the risk analysis of foundation models.
- Paper: Shortcut learning in deep neural networks, Robert Geirhos et al. (2020). Understanding shortcut learning in deep neural networks clarifies why large-scale models fail under real-world shifts, directly informing the risk and evaluation sections of the source.
- Paper: Sparks of Artificial General Intelligence: Early experiments with GPT-4, Sébastien Bubeck et al. (2023). This paper extends the source's investigation into foundation model capabilities by evaluating early emergent signs of artificial general intelligence in GPT-4.
- Paper: Beyond the Imitation Game: Quantifying and extrapolating the capabilities of language models, BIG-bench authors (2022). This benchmark suite directly continues the source's call for rigorous capability evaluation by quantifying and extrapolating language model limits across diverse tasks.
- Paper: Viewpoint: Artificial Intelligence Accidents Waiting to Happen?, Federico Bianchi et al. (2023). This viewpoint paper extends the source's risk analysis by applying Charles Perrow's normal accidents framework to categorize structural safety hazards in complex AI systems.
- Paper: GPT-4 Technical Report, OpenAI (2023). This technical report builds directly on the source's paradigm shift by detailing the architecture, training, and safety evaluations of OpenAI's GPT-4.
