AI21 Labs

AI21 Labs builds AI systems for enterprise natural language processing.

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AI21 Labs develops advanced AI systems focused on natural language processing for enterprise use. Founded in 2017 and headquartered in Tel Aviv, Israel, the company specializes in creating foundation models and tools that enhance text understanding and generation. Its flagship products, including Wordtune and the Jamba family of models, serve a range of industries such as finance, healthcare, and education, enabling businesses to integrate AI into critical workflows.

Wordtune, launched in 2020, is an AI-powered writing assistant that refines text by suggesting paraphrases, grammar corrections, and stylistic improvements. It leverages AI21 Labs’ proprietary language models to provide context-aware recommendations, making it a valuable tool for professionals and students. With over 10 million users, Wordtune supports tasks like drafting emails, reports, and academic papers, emphasizing clarity and engagement. Its integration as a browser extension has earned recognition, including being named one of Google’s favorite extensions in 2021.

The Jamba models, including Jamba 1.5 and Jamba 1.6, are designed for enterprise applications, offering efficient processing of long-context tasks with up to 256,000 tokens. These models support fine-tuning to align with specific enterprise needs, such as terminology or policy adherence, while using 30% less compute than comparable systems. Available through platforms like Amazon Bedrock, Jamba models power applications requiring high accuracy, such as research analysis and customer service automation.

AI21 Labs also offers AI21 Studio, a developer platform for building custom generative AI applications. This platform enables enterprises to create tailored solutions, from conversational AI to content generation tools. Additionally, Maestro, launched in 2025, enhances complex task planning and orchestration, improving the performance of other large language models like GPT-4o. These tools collectively address use cases requiring robust, scalable, and trustworthy AI solutions.

By combining proprietary models with practical tools, AI21 Labs supports enterprises in automating workflows, analyzing text data, and improving communication. Its focus on scalability and customization makes it a key player in enterprise AI, particularly for industries needing precise and efficient language processing.