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Kotoba Technologies

Kotoba Technologies

Private
San Francisco, CaliforniaAI, Data & Cloud Infrastructurehttps://site.kotoba.tech/

Last Round

Seed

Jun 24, 2026

Total Funding Raised

$35.16M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Kotoba Technologies is an artificial intelligence company that develops a real-time speech model and simultaneous translation technology.

Sector

AI, Data & Cloud Infrastructure

Verticals

NLP & Conversational AI, Platform-as-a-Service, Cloud Communications

Business Model

B2B

Customer Profile

Subscription SaaS, Usage-Based SaaS, Freemium, Services & Consulting

AI Layer

Foundation

Keywords

voice AIspeech-to-speechS2Ssimultaneous translationreal-time translationvoice AI infrastructureEast Asian language AIspeech foundation modelfrontier AI lablow-latency AIspeech-to-textASRtext-to-speechTTSon-device AIedge AIvoice AI APIAI voice agent

Historical Pricing

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Caplight Momentum Score

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Kotoba Technologies Comparables

Compare Kotoba Technologies with similar companies based on industry and business-model similarity.

Kotoba Technologies comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Soniox
81%
Cartesia
78%
Deepgram
71%

Kotoba Technologies Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedJun 24, 2026
SeedAug 5, 2025
SeedJun 1, 2025
SeedOct 1, 2023

Key People

Founding team and executive leadership

Jungo Kasai

Co-Founder CTO

Founding Team

Noriyuki Kojima

Co-Founder & CEO

Founding Team

Kotoba Technologies Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 24, 2026

    $10M round led by Kindred Ventures

  • May 27, 2026

    Grew 20% QoQ, from 15 to 18 employees.

Kotoba Technologies Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Kotoba Technologies Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Kotoba Technologies's valuation, stock price, and market status.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range18
Year Founded2023
Last FundingJun 24, 2026

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