ContractPodAi’s Leah Agentic AI Platform Now Using GPT-5 to Deliver the Future of AI-Powered Legal Intelligence

LONDON, UK – 13 August 2025 – Leah, a leader in legal AI solutions and contract lifecycle management (CLM), today announced that its Leah agentic AI platform now integrates with OpenAI’s GPT-5, delivering even smarter, more capable AI-driven legal assistance.

This integration elevates Leah’s agentic capabilities with GPT-5’s groundbreaking advancement in artificial intelligence, to unlock expert-level reasoning, streamlined analysis of lengthy documents, and accelerated decision-making for complex legal matters.

With GPT-5 now powering Leah, users benefit from a solution that instantly reviews and summarizes large volumes of contracts, flagging risks with greater accuracy. GPT-5 enhanced Leah’s ability to synthesize complex legal documents, draft and redline them with minimal input, and automate discovery and due diligence at scale—boosting speed, precision, and efficiency across legal workflows.

Key Benefits of Leah with GPT-5

1. Deeper Legal Reasoning, On Demand: Leah now dynamically adapts to the complexity of legal tasks—delivering fast responses for simple queries and activating deeper, structured reasoning for multi-factor legal reviews, regulatory analysis, and nuanced contract interpretation.
2. Customizable Depth of Analysis: Legal teams can now fine-tune how Leah responds using new API parameters like reasoning effort and verbosity, choosing between rapid overviews and comprehensive legal argumentation to suit the matter at hand.
3. Multi-Step Workflow Orchestration: Leah leverages GPT-5’s ability to manage complex, multi-stage legal workflows—such as reviewing, redlining, summarizing, and flagging risks across contracts—while maintaining accuracy and context throughout.
4. Smarter Document Understanding: With significant gains in structured thinking and natural language processing, Leah now delivers more accurate insights from lengthy, complex legal documents—speeding up review, diligence, and decision-making.
5. Enhanced Decision Support for Legal Teams: By combining advanced reasoning with enterprise-grade intelligence, Leah helps legal, compliance, and procurement professionals uncover risks, identify opportunities, and take decisive action faster than ever before.
6. Built for Enterprise-Scale Security and Performance: Leah’s integration with GPT-5 is backed by Microsoft Azure’s secure AI infrastructure, ensuring data protection, model governance, and scalable performance for global enterprise legal operations.

Nicolai Skabo, Head of EMEA Sales at OpenAI, said: "Businesses across the globe are adopting GPT-5 to build smarter, more capable tools for their customers. With advanced reasoning and the ability to manage complex tasks from start to finish, companies like Leah are using our most powerful model to deliver real impact in high-value domains like legal."

“OpenAI’s GPT-5 is a major leap forward in AI, and its impact on the legal sector is transformative,” said Sarvarth Misra, CEO and Co-founder of Leah. “By leveraging GPT-5 in Leah, we’re delivering a new standard of legal intelligence—where agentic AI can reason deeply, analyze faster, and drive better decisions across legal, compliance, and procurement workflows.”

About Leah

Leah, a recognized pioneer in legal GenAI with Leah Intelligence and a leader in Contract Lifecycle Management, is transforming how lawyers author, analyze, and manage documents on an unprecedented scale. Leah delivers secure, enterprise-ready innovation to accelerate growth and ensure measurable ROI. Going beyond mere task automation, Leah redefines legal processes, empowering strategic thinking and offering real-time analysis. The company has been recognized as a CLM Visionary by Gartner the last four consecutive years and named a Leader in the 2025 IDC MarketScape for AI-Enabled Buy-Side CLM Applications. This is more than legal tech; it’s Legal Reimagined™.

Headquartered in London, Leah® supports its teams across the world – in New York, Glasgow, San Francisco, Toronto, Sydney, Mumbai, Pune, and more.

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