Kotoba Technologies Raises $10M Seed for East Asian Speech AI
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Kotoba Technologies Raises $10 Million Seed for East Asian Speech AI

The round, led by Kindred Ventures, will advance its real-time voice AI platform for enterprise use.

6/25/2026
Ghita Khalfaoui
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Kotoba Technologies, a developer of specialized speech AI for East Asian languages, has successfully raised $10 million in an additional seed funding round. This new capital, led by Kindred Ventures, brings the company's total funding to an impressive $23 million since its inception. The investment signals strong confidence in Kotoba's mission to advance real-time voice AI across key Asian markets.


Strategic Investment for AI Advancement

The funding round was spearheaded by Kindred Ventures, a firm known for backing innovative technology startups. The investment was further strengthened by participation from industry giants Salesforce Ventures and the Sony Innovation Fund. This consortium of investors underscores the significant market potential and technological promise of Kotoba's specialized AI platform.

Fueling Innovation in Speech Technology

A primary focus for the new capital will be the advancement of Kotoba's speech-to-speech models. The company aims to significantly reduce latency, making the technology more responsive for real-time applications. This enhancement is crucial for powering next-generation AI agents and interactive smart devices that require seamless communication.

Kotoba Technologies will also allocate resources to optimize its proprietary Koto model for deployment on edge computing chips. This strategic move is designed to expand the technology's distribution across a wide range of hardware. Key target sectors include automobiles, consumer electronics, and the rapidly growing market for AI-powered wearables.

Finally, the company plans to scale the usability and accessibility of the Koto ecosystem for its global enterprise clientele. This initiative involves building out the necessary infrastructure and support systems to facilitate wider adoption. The goal is to make its advanced speech AI a go-to solution for businesses operating in or engaging with East Asia.

Pioneering Real-Time Multilingual AI

Founded in 2023, Kotoba Technologies is the creation of Dr. Noriyuki Kojima and Dr. Jungo Kasai, who hold PhDs from Cornell and the University of Washington, respectively. Their deep academic and research backgrounds provide the foundation for the company's state-of-the-art approach to speech AI. The firm maintains a dual presence in both San Francisco and Tokyo.

The company's core technology is its proprietary model, Koto, which is engineered for high-performance speech recognition and synthesis. It specializes in complex East Asian languages, including Japanese, Korean, and Chinese. The model currently powers diverse applications such as simultaneous translation, AI agents, and advanced voice interfaces for contact centers.


This $10 million seed funding marks a pivotal moment for Kotoba Technologies, enabling it to accelerate its product development and market expansion efforts. With a clear roadmap and strong investor backing, the company is well-positioned to become a leader in real-time speech AI for East Asia. The investment will undoubtedly catalyze innovation in voice-enabled applications across both consumer and enterprise sectors.