When was Kotoba Technologies founded?

Kotoba Technologies was founded in 2023 and raised its 1st funding round 2 years after it was founded.

Where is Kotoba Technologies located?

Kotoba Technologies is headquartered in Chiyoda City, Japan.

Who is the current CEO of Kotoba Technologies?

Noriyuki Kojima of Kotoba Technologies. They have also founded 1 company.

How many employees does Kotoba Technologies have?

As of Aug 31, 2026, the latest employee count at Kotoba Technologies is 19.

Is Kotoba Technologies a funded company?

Kotoba Technologies is a funded company, having raised a total of $23M across 2 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on Jun 30, 2025.

When was the latest funding round of Kotoba Technologies?

Kotoba Technologies' latest funding was a $***** Seed round on Jun 24, 2026, with participation from 3 investors. Its primary sector is AI Infrastructure. In Japan, the AI Infrastructure sector has seen $75.3M in funding in 2026 to date.

Where does Kotoba Technologies rank among its competitors?

Kotoba Technologies ranks 10th amongst 186 active competitors, of which 36 are funded. It stands 5th in terms of total funding among its competitors. The most recent competitor to raise funding was Navana, which secured $4.2M in Sep, 2026.

Who are the top competitors of Kotoba Technologies?

Kotoba Technologies' top competitors include SoundHound, Sanas and AssemblyAI. Among them, Navana secured the most recent funding round in September, 2026.

Kotoba Technologies - 2026 Company Profile, Team, Funding & Competitors

Company Details

AI company building real-time speech-to-speech translation and ultra-low-latency speech models. Its platform includes speech-to-text, text-to-speech, and speech-to-speech systems designed for ultra-low latency performance, enabling near-instant conversational translation. It focuses especially on high-quality performance in East Asian languages and aims to power applications such as AI agents, real-time interpretation devices, and multilingual communication tools like smart glasses and mobile apps.

Website: www.kotoba.tech/
Social
Email ID: *****@kotoba.tech

Key Metrics

Founded Year

2023

Location

Chiyoda City, Japan

Stage

Seed

Total Funding

$23M in 2 rounds

Latest Funding Round

Seed, Jun 24, 2026, $*****

Investors

Globis Capital Partners & 5 more

Ranked

10^th among 186 active competitors

Employee Count

19 as on Aug 31, 2026

Similar Companies

OpenAI & 475 more

View Kotoba Technologies' full profile

Kotoba Technologies has raised a total funding of $23M over 2 rounds. Its first funding round was on Jun 30, 2025. Its latest funding round was a Seed round on Jun 24, 2026 for $*****. 3 investors participated in its latest round. Kotoba Technologies has 6 institutional investors.

Here is the list of recent funding rounds of Kotoba Technologies:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jun 24, 2026	5117934	Seed	7891511	7017955	2872224	4909710
Jun 30, 2025	6614790	Seed	4414673	5327686	Globis Capital Partners & 1 more	SIP Capital

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View details of Kotoba Technologies's funding rounds and investors

The founders of Kotoba Technologies are Jungo Kasai and Noriyuki Kojima. Noriyuki Kojima is the CEO of Kotoba Technologies.

Here are the details of Kotoba Technologies' key team members:

Jungo Kasai: Co-Founder & CTO of Kotoba Technologies.
Noriyuki Kojima: Co-Founder & CEO of Kotoba Technologies.
Contact Info: 1 email address

View details of Kotoba Technologies's Founder profiles and Board Members

Kotoba Technologies' employee count trend

Kotoba Technologies has 19 employees as of Aug 26. Here is Kotoba Technologies's employee count trend over the years:

Employee count trend for Kotoba Technologies

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Top competitors of Kotoba Technologies include SoundHound, Sanas and AssemblyAI. Here is the list of Top 10 competitors of Kotoba Technologies, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	SoundHound 2005, Santa Clara (United States), Public	Provider of cloud and AI-based sound recognition solutions for multiple applications	$191M	Walden Venture Capital, Nomura & 25 others	76/100
2nd	Sanas 2020, Palo Alto (United States), Series B	AI powered accent translation software	$121M	Human Capital, Insight Partners & 13 others	67/100
3rd	AssemblyAI 2017, San Francisco (United States), Series C	Provider of speech to text solutions	$115M	Accel, Insight Partners & 10 others	67/100
4th	Unisound 2012, Beijing (China), Public	Provider of AI-backed voice solutions for multiple industries	$302M	Qiming Venture Partners, Qualcomm Ventures ... & 15 others	67/100
5th	iFLYTEK 1999, Hefei (China), Public	Provider of AI-based speech and language interaction technology	-	Infotech Ventures, Legend Capital & 7 others	65/100
6th	AudioEye 2005, Tucson (United States), Public	Platform offering cloud-based digital accessibility for businesses	$11.5M	Kaplan Group Investments	62/100
7th	Sensory 1994, Santa Clara (United States), Funding Raised	Provider of embeddable speech and vision technologies for consmer products	-	Norwest, Convergent Capital	59/100
8th	Gladia 2022, Cesson Sevigne (France), Acquired	Provider of speech-to-text APIs for developers	$20.3M	New Wave, XAnge & 17 others	58/100
9th	Navana 2018, Mumbai (India), Series A	Provider of voice artificial intelligence solutions for enterprise applications	$5.68M	Angel List, Antler & 26 others	58/100
10th	Kotoba Technologies 2023, Chiyoda City (Japan), Seed	AI company building real-time speech-to-speech translation and ultra-low-latency speech models	$23M	Salesforce Ventures, Kindred Ventures & 4 others	58/100