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Enterprises are increasingly adopting generative AI (GenAI) by moving from experimental pilots to production-ready deployments, tailored to their specific needs, according to the 2025 ISG Provider Lens® global Generative AI Services reports. These reports, published by Information Services Group (ISG), a global AI-centered technology research and advisory firm, highlight how organizations are partnering with large, midsize, and specialist service providers to achieve measurable business value through targeted or broad GenAI implementations.
The 2025 ISG Provider Lens® reports reveal enterprises are prioritizing GenAI delivery models that handle real workloads and operational demands. Organizations pursuing limited, high-impact projects often collaborate with specialist providers, while those integrating GenAI across multiple business functions partner with large or midsize providers to build comprehensive AI ecosystems. This strategic divergence reflects the growing maturity of GenAI adoption, focusing on reliability and business alignment.
The Generative AI Services — Specialists report highlights that specialist providers are critical for companies implementing GenAI in focused, industry-specific applications. These providers deliver skilled teams to co-create solutions, embedding trust frameworks and precise metrics to ensure measurable outcomes. Their reusable toolkits and lean architectures, using smaller models or optimized data handling, help enterprises manage operational costs effectively while avoiding complexity.
According to the Generative AI Services — Large and Midsize report, larger providers are scaling infrastructure and forming partnerships to support end-to-end GenAI workflows. Midsize providers focus on accelerators and integration expertise, enabling enterprises to deploy GenAI across diverse functions. This approach fosters hyperpersonalization, automation, and real-time intelligence, enhancing productivity and competitive edge in dynamic markets.
“Enterprises are not impressed by pilots alone,” said Steve Hall, chief AI officer, ISG. “They want GenAI delivery models that can handle real workloads and withstand operational pressures. For some organizations, that means projects limited in scope, while others are deploying GenAI across multiple business functions.”
“Successful enterprises are proving that GenAI maturity depends more on reliability than on size or speed,” said Gowtham Kumar Sampath, principal analyst, ISG Provider Lens Research, and lead author of the reports. “Organizations that adopt disciplined, outcome-oriented methods are establishing the foundation for sustainable AI value creation.”
The reports name leaders such as Fractal, Quantiphi, and WNS Analytics in specialist quadrants, and Accenture, Capgemini, and TCS in large and midsize quadrants. HCLTech stands out as the 2025 ISG CX Star Performer for exceptional customer satisfaction. Emerging trends include a focus on integration, interoperability, and evaluation pipelines to ensure sustainable GenAI deployments.
ISG is a global AI-centered technology research and advisory firm. A trusted partner to more than 900 clients, including 75 of the world’s top 100 enterprises, ISG is a long-time leader in technology and business services that is now at the forefront of leveraging AI to help organizations achieve operational excellence and faster growth. The firm, founded in 2006, is known for its proprietary market data, in-depth knowledge of provider ecosystems, and the expertise of its 1,600 professionals worldwide working together to help clients maximize the value of their technology investments.
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