Tunib

What Tunib does

TUNiB Inc. is a South Korea-based conversational AI company founded in 2021, headquartered at the Seoul AI Hub in Seocho-gu with a branch office at the Gwangju AI Startup Camp. The company develops specialized large language models (sLLMs) — including the Polyglot Foundation model, the first fully open-source Korean sLLM available for commercial use co-developed with EleutherAI — alongside a multi-persona chatbot platform, a suite of NLP APIs marketed under the TUNiBRIDGE brand (Safety Check, De-identification, Text/Image/Video/News Analytics, Emotion Prediction, Word Graph, Dialect Translation, N-Verse, Text-to-Speech, and Political Orientation Prediction), and a consumer AI companion app called Dearmate available on iOS and Android.

The company's underlying technology centers on Korean-language NLP expertise, multimodal analytics, and a one-model/multi-persona chatbot architecture. TUNiB monetizes through four streams: (1) custom domain-specific sLLM development on a multi-year enterprise contract basis, (2) API-based access to NLP capabilities on a recurring subscription model, (3) a chatbot platform with millions of pre-built personas delivered via API, and (4) a freemium consumer app (Dearmate). The go-to-market is hybrid: product-led growth through self-serve demo websites, downloadable mobile apps, and open-source distribution, combined with direct enterprise sales for custom development engagements. Distribution is primarily domestic (single-country scope for enterprise sales) with global reach available through app stores and the open-source Polyglot model.

TUNiB raised KRW 3 billion (~USD 2.5 million) in November 2021 from Pearl Abyss Capital, NAVER D2 Startup Factory, and DSC Investment, and secured a non-dilutive ~$815K TIPS Program grant in December 2025. The company is privately held with no parent entity, has 11-50 employees, and is led by five co-founders including CEO Kyubyong Park, with a chief strategy officer (Ahra Cho) rounding out the executive team.

Name

Tunib

Legal name

TUNiB Inc.

Website

https://tunib.ai

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

11–50 employees

Short description

TUNiB is a South Korean conversational AI company that builds specialized Korean-language large models, multi-persona chatbot platforms, and NLP safety APIs, serving enterprise clients via custom sLLM development and consumers through its Dearmate companion app.

Ownership category

akta.pro rank

Product category

Conversational AI Platform

NAICS

Custom Computer Programming Services (541511), Software Publishers (5132), Computer Systems Design and Related Services (5415)

SIC

Services-Computer Programming Services (7371), Services-Prepackaged Software (7372), Services-Computer Integrated Systems Design (7373)

akta.pro primary industry

Conversational AI Platforms (chat/voice bots, orchestration) (HDAAAFAC)

akta.pro secondary industries

Conversational NLP & Dialogue Management (chatbots, agents) (HDAAADAF), Generative AI & LLM Solutions Services (RAG, Agents, Copilots) (BPAEAHAG), AI/ML Engineering & Model Development Services (BPAEAHAF)

Keywords

• Conversational AI platform
• Korean language models
• Multi-persona chatbots
• NLP API services
• AI safety moderation

Headquarters

HQ city

Seocho

HQ country

South Korea

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Software

Cost components

Personnel, Technology or R&D, Infrastructure, Marketing or Sales, Operations

Revenue model

1. sLLM Development Services: Custom domain-specific sLLM development for enterprises with experienced experts, building proprietary models for specific use cases.
2. NLP API Access: API-based access to various NLP capabilities including Safety Check, De-identification, Text Analytics, and other NLP services.
3. Chatbot Platform & API: Multi-persona chatbot platform with millions of pre-built personas and tailored chatbot delivery via API for user engagement.
4. Dearmate Consumer App: Consumer-facing emotional support/companion app available on Google Play and Apple App Store, monetized through app distribution.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels5 records

Core offering

TUNiB develops and deploys conversational AI technology based on its proprietary Specialized Large Language Model (sLLM), including the Polyglot Foundation open-source Korean sLLM built with EleutherAI. The company sells multi-persona chatbot platforms, a suite of NLP APIs (TUNiBRIDGE) covering safety/toxicity detection, de-identification, text/image/video/news analytics, emotion prediction, dialect translation, and text-to-speech, and operates the Dearmate consumer emotional companion app. Revenue is generated through custom enterprise sLLM development, API subscriptions, chatbot API access, and consumer app distribution.

Product overview

TUNiB is a conversational AI company offering a unified platform centered on sLLM (Specialized Large Language Model) technology. The core product portfolio includes: (1) sLLM - in-house developed specialized large language models including the first open-source Korean Polyglot Foundation sLLM for commercial use; (2) Multi-Persona Chatbots - conversational AI leveraging sLLM for domain-specific chatbot applications; (3) Dearmate - consumer AI companion product; and (4) TUNiBRIDGE NLP APIs - a comprehensive suite of natural language processing tools including Safety Check (toxicity detection), De-identification (privacy protection), Text/Image/Video/News Analytics, Emotion Prediction, Word Graph, Dialect Translation, N-Verse, Text-to-Speech, and Political Orientation Prediction. The platform is available via chatbot API for enterprise integration.

Differentiator

Problem solved

Functional benefit

Brands

• Dearmate: Consumer chatbot application with millions of pre-built persona chatbots, available on iOS and Android platforms.
• TUNiBridge

Products and services

• Polyglot Foundation sLLM
• In-house sLLM
• Multi-Persona Chatbots
• Dearmate
• TUNiBRIDGE Safety Check
• TUNiBRIDGE De-identification
• TUNiBRIDGE NLP API Suite
• Chatbot API

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

AI capability13 records

Feature6 records

Partnerships

One partnership is on record.

• EleutherAIcoreTechnology or IntegrationCollaborative partnership for developing the Polyglot Foundation sLLM - the first fully open source Korean sLLM available for commercial use. EleutherAI is a decentralized collective focused on democratizing language model research.

Scale indicators1 record

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Anthropic: Foundation model provider behind Claude — a broad incumbent in conversational AI whose enterprise API offerings (including safety tooling) compete with TUNiB's TUNiBRIDGE NLP APIs and custom sLLM development services.
• Naver HyperCLOVA: Naver's proprietary Korean-specialized foundation model and chatbot platform, which is both a strategic investor (via NAVER D2SF) and the most well-capitalized direct competitor in the Korean LLM space.
• Upstage: Korean foundation model company building document AI and LLM products, including the Solar LLM family, which competes with TUNiB's Polyglot sLLM and enterprise AI offerings in the Korean market.
• LG AI Research: LG Group's AI research subsidiary developing the EXAONE foundation model, with significantly greater resources than TUNiB and a focus on Korean-language and multimodal AI capabilities.
• Kakao Brain: Kakao's AI research arm developing KoGPT and Karlo foundation models. Backed by Korea's dominant messaging super-app, it is a broad incumbent in Korean conversational AI competing with TUNiB's sLLM and chatbot products.

Direct peers

• Replika: Consumer emotional AI companion app focused on personal wellness and relationship-style conversations — directly comparable to Dearmate's emotional support positioning and use case.
• Kore.ai: Enterprise conversational AI platform offering chatbots, virtual assistants, and NLP APIs for customer engagement — comparable to TUNiB's enterprise chatbot API and TUNiBRIDGE NLP API suite.
• Scatter Lab: Korean AI company behind the Luda emotional chatbot app, which is the closest direct competitor to TUNiB's Dearmate product in the Korean emotionally-engaging conversational AI consumer category.
• Character.AI: Multi-persona conversational AI platform that lets users chat with millions of user-created characters — the same multi-persona chatbot model TUNiB pursues with Dearmate and its enterprise chatbot API.
• Yellow.ai: Enterprise conversational AI platform providing multi-channel chatbots and NLP services — competing with TUNiB's enterprise chatbot platform and NLP API offering.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• GitHubgithub.com/tunib-ai
• YouTubeyoutube.com/channel/UCN_btumLU2ZHCgqg0W45hMA
• Facebookfacebook.com/tunib.inc
• LinkedInlinkedin.com/company/tunib

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds2 records

Investors5 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Tunib