# Kotoba Technologies

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/kotoba-technologies

- Industry: Software
- Headquarters: Tokyo, Japan
- Website: www.kotoba.tech
- Total disclosed funding: $22M
- Latest round: Seed (Jun 24, 2026)
- Investors on record: 6

## About

Based in Japan, Kotoba Technologies Japan focuses on innovative speech AI solutions, delivering advanced voice translation, dubbing, and natural speech generation technologies for improved communication across languages.Kotoba Technologies Japan, founded in 2023 and headquartered in Tokyo, Japan, specializes in advanced speech AI technologies. In June 2026, Kotoba Technologies, Inc. raised USD 10 million in seed funding led by Kindred Ventures, with participation from Sony Innovation Fund and Salesforce Ventures. Kotoba Technologies specializes in advanced speech AI solutions, offering products such as end-to-end voice translation, dubbing, voice cloning, and natural speech generation. Its flagship product, Kotoba-SpeechGen, produces fluent and natural-sounding speech, exceeding traditional Japanese TTS technologies. The company also offers an ultra-fast Japanese automatic speech recognition (ASR) model that enhances real-time communication. Their solutions target a diverse client base, including educational institutions and media companies, with an aim to expand into Southeast Asian regions and English-speaking markets.Kotoba Technologies primarily generates revenue through a subscription model for its software solutions, primarily focusing on B2B relationships. Clients subscribe to service tiers that offer various capabilities in voice translation and speech synthesis, ensuring tailored solutions to meet operational needs. While specific pricing details are undisclosed, the services cater to both individual and enterprise-level solutions, aligning with the company's commitment to advanced speech AI integration

## Funding rounds

- Seed, Jun 24, 2026, $10M — Salesforce Ventures, Sony Innovation Fund, Kindred Ventures
- Seed, Jun 30, 2025, $12M — Globis Capital Partners, Boost Capital, SIP Capital

## Investors

- Globis Capital Partners (https://capitalatlas.ai/funds/globis-capital-partners) — Seed
- Boost Capital (https://capitalatlas.ai/funds/boost-capital) — Seed
- SIP Capital — Seed
- Salesforce Ventures (https://capitalatlas.ai/funds/salesforce-ventures) — Seed
- Sony Innovation Fund (https://capitalatlas.ai/funds/sony-innovation-fund) — Seed
- Kindred Ventures (https://capitalatlas.ai/funds/kindred-ventures) — Seed