PwC launches UK tax AI assistant tool with Harvey and OpenAI

PwC UK, alongside alliance partners Harvey and OpenAI, has announced the launch of its UK tax trained AI model. Available to all 2,300 PwC UK tax professionals, it will act as an AI assistant generating tax content as part of the delivery of services to clients. Built on a foundation of PwC UK’s proprietary tax expertise with the underlying technology developed by Harvey and OpenAI, it has combined market leading tax and technology skills to create a unique AI asset that turns knowledge into outcomes for clients. Use of the model provides our people the ability to deliver enhanced insights, transparency and quality to clients. This is part of PwC’s wider strategy to lead the professional services market in the adoption of AI and technology, ensuring clients and our people benefit from the changing environment in which they operate. In line with its responsible AI framework, PwC is also exploring with clients how their tax functions could harness the power of the tool directly to unlock the full impact of AI. The tax AI assistant tool cross references and has been trained on case law, legislation and other underlying sources, together with PwC UK’s own IP, with the data being regularly refreshed to reflect changes and updates to tax rules. As a result, the model generates significantly higher quality and accuracy in the tax domain when compared to publicly available Large Language Models (LLMs) and provides references to underlying data, allowing for transparent and accurate validation by tax professionals. Laura Hinton, PwC’s tax, legal and workforce leader, PwC UK, said: “Generative AI is transformative and presents unprecedented possibilities for both our people and our clients. Working with Harvey and OpenAI, we will be able to offer the most sophisticated tax AI enabled services and models in the market and further differentiate what we do, driving growth for our business, our clients and our people. “Our approach will always be human led, tech powered and AI will complement our expertise, allowing our subject matter experts to deliver deeper, more robust and transparent insights to our clients.” Winston Weinberg, co-founder and president at Harvey, said: “We are thrilled to launch the UK tax trained AI model in partnership with PwC UK and OpenAI. By leveraging the cutting-edge technology of Harvey and OpenAI, we have created a unique AI asset that combines deep tax knowledge with natural language processing and generation capabilities. This is a prime example of how AI can augment human expertise and transform the way professional services are delivered.” Brad Lightcap, COO at OpenAI, said: “We’re seeing a surge in the practical application of AI being built on our platform. The innovative AI assistant built by PwC and Harvey is a prime example of AI's power to supercharge the capabilities of knowledge workers and enhance the customer experience. We're excited to continue partnering to help organisations across all industries thrive in an AI-first world.” Bivek Sharma, PwC UK CTO and global AI lead for Tax, Legal and Workforce, added: “We are already seeing exciting results from using the Tax AI model within our teams and we look forward to bringing the benefits of AI to our clients. Our partnership with Harvey and OpenAI has been instrumental - the combination of PwC UK’s market leading Tax expertise and Harvey’s AI engineering expertise has allowed us to create a truly unique and powerful Tax AI model.”

PwC launches UK tax AI assistant tool with Harvey and OpenAI

This is part of PwC’s wider strategy to lead the professional services market in the adoption of AI and technology, ensuring clients and our people benefit from the changing environment in which they operate

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