Kotoba Technologies logo
Kotoba Technologies logo

Kotoba Technologies

kotoba.tech
kotoba.tech • HQ: Tokyo, Japan • Seed 2026 • 11-50 employees • Founded 2023 • Startup
HQ: Tokyo, Japan • Seed 2026 • 11-50 employees • Founded 2023 • Startup
Actively hiring
Natural Language Processing
Foundation Models
LLM & Generative AI
Speech & Audio AI
As featured in
Yahoo Finance
Aol.com
01Net
Street Insider
Sankei
Morningstar
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Overview
News
Salaries
Products
People
Growth
Offices
Financials

Funding and backers

Total raised
$21.8M
2 rounds on record
Latest round
$10M
Seed · Jun 2026 · 3 mo ago
Team
11-50
employees, estimated range
Backers
1
Globis Capital Partners
The money's age
Fresh money
3 months since the last round · not hiring
Momentum
20/100
fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jun 23 Raised a round Seed $10M Aug 5, 2025 Raised a round Seed $11.8M · YahooFinance 2023 Founded
Tractionpublic signals, read monthly
Web presence
top 2%
of 133.2M domains by links, Common Crawl
GitHub stars
275 ★
14 public repositories
Funding rounds
RoundDateAmountInvestorsSource
Seed Jun 2026 $10M — morningstar.com
Seed Aug 2025 $11.8M — YahooFinance
Backed byfrom the funds' portfolios and accelerator catalogs
Globis Capital Partners fund
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Overview

Kotoba Technologies is a Tokyo artificial intelligence company founded in 2023 that develops Japanese speech and language models. Its real time voice models power interactive assistants and translation for enterprise and consumer products. The company works with domestic partners on sovereign model development and computing resources.

News

News YahooFinance 4 months ago
Kotoba Technologies Raises $10 Million in Seed Funding to Expand Real-Time Voice AI Platform Across East Asia
SAN FRANCISCO & TOKYO, June 24, 2026--Kotoba Technologies, a developer of real-time speech models optimized for East Asian languages, today announced an additional USD 10 million in seed funding. The financing was led by Kindred Ventures, with participati
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News AOL.com 4 months ago
Kotoba Technologies Raises $10 Million in Seed Funding to Expand Real-Time Voice AI Platform Across East Asia - AOL Read more
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News 01net.it 4 months ago
Kotoba Technologies Raises $10 Million in Seed Funding to Expand Real-Time Voice AI Platform Across East Asia Read more
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News streetinsider.com 4 months ago
Kotoba Technologies Raises $10 Million in Seed Funding to Expand Real-Time Voice AI Platform Across East Asia Read more
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Press release 産経新聞：産経ニュース 4 months ago
リアルタイム音声AIのKotoba Technologies、シードラウンドにて1,000万米ドル(約16億円)を追加調達
リアルタイム音声AIのKotoba Technologies、シードラウンドにて1,000万米ドル(約16億円)を追加調達の記事ページです
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News morningstar.com 4 months ago
Kotoba Technologies Raises $10 Million in Seed Funding to Expand Real-Time Voice AI Platform Across East Asia Read more
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News YahooFinance 1 year ago
Kotoba Technologies Raises USD 11.83 Million in Seed 2 Funding to Accelerate Commercialization of AI-powered Simultaneous Interpretation
SEATTLE & TOKYO, August 05, 2025--Kotoba Technologies Raises USD 11.83 Million in Seed 2 Funding to Accelerate Commercialization of AI-powered Simultaneous Interpretation
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Offices

Where the company hires and what each office is for
Cities
3
Hiring now
0
Countries
2
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Headquarters Builds here Office with open vacancies No open vacancies right now Tap a pin for the office
Tokyo Japan
HQ
Chiyoda Japan
Regional office
Kotoba Technologies Japan K.K.
Otemachi Building 6F, 1-6-1 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan
company site
San Francisco United States
Regional office
Kotoba Technologies, Inc.
Levi's Plaza, 1160 Battery St Suite 100, San Francisco CA 94111, USA, Levi's Plaza, 1160 Battery St Suite 100, San Francisco, CA 94111, USA
company site

Financials

Total raised
$21.8M
Latest round
Seed
Funding rounds
2
Funding rounds
Round Announced Amount
Seed 2026 $10M Details
Seed 2025 $11.8M Details