In its development of the AI assistant Protégé, LexisNexis wanted to enhance its legal expertise without relying on large AI models. Protégé is designed to aid legal professionals in creating and validating legal documents, utilizing a customizable framework suited to the specific workflows of individual firms.
LexisNexis has tried to integrate the strengths of leading large language models from Anthropic and Mistral to maximize user interaction. The CTO of LexisNexis Legal and Professional, noted that the organization employs the most suitable models for distinct applications within its multi-model structure to deliver quality results efficiently.
Some firms, finding smaller language models more advantageous for uses such as chatbots, have driven a trend towards cost-effective performance. Even before the rollout of its legal research platform LexisNexis + AI in July 2024, LexisNexis had been involved in some AI development, focusing on natural language processing and machine learning largely inspired by the release of ChatGPT in 2022.
Already, Protégé, which assists with tasks usually undertaken by paralegals or associates, faces competition from other AI legal assistants like Thomson Reuters’ CoCounsel, which has attracted both attention and investments, including interest from LexisNexis.
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