# Prosa.ai

> Prosa.ai is an Indonesian deep-tech company that builds natural language processing and speech technology for Bahasa Indonesia. Founded in 2018 by ITB academics and an industry veteran, it develops NLP APIs, speech-to-text and text-to-speech engines, voice biometrics, chatbots and analytics that let banks, insurers, government agencies and enterprises understand and act on Indonesian-language text and voice data - a market largely underserved by global AI providers.

- **Founded:** 2018
- **Headquarters:** Bandung, Indonesia
- **Founders:** Ayu Purwarianti (Co-founder; NLP researcher, Bandung Institute of Technology (ITB)), Dessi Puji Lestari (Co-founder; speech-processing lecturer, Bandung Institute of Technology (ITB)), Teguh Eko Budiarto (Co-founder & CEO)
- **Team size:** ~32 employees
- **Products:** NLP Toolkit / API, Speech-to-Text, Text-to-Speech (TTS), Voice Biometrics, Chatbot / Conversational AI
- **Notable:** Built what it benchmarks as the highest-accuracy NLP engine for Bahasa Indonesia., Partnered with Indonesia's Kominfo to power the AntiHoaks anti-misinformation chatbot., Raised Series A from GDP Venture (2019) and began a Series B round (2022).

## Products & services

- **NLP Toolkit / API** — APIs for text analytics, entity extraction, language understanding and sentiment analysis that businesses integrate into their own systems. Primary revenue driver.
- **Speech-to-Text** — Automated transcription that converts Indonesian speech to text, including real-time meeting transcription.
- **Text-to-Speech (TTS)** — Cloud-based speech synthesis producing natural-sounding Indonesian voice-overs, expanded to around 40 voice variations.
- **Voice Biometrics** — Voiceprint-based identity authentication and real-time fraud detection by analyzing voice patterns and characteristics.
- **Chatbot / Conversational AI** — NLP-driven chatbots for customer service and information, including the AntiHoaks fact-checking chatbot.
- **Prosa Hoax Intel** — Text analytics product that detects and flags misinformation/hoaxes in Indonesian.
- **Speech & Conversation Analytics** — Analytics over call-center and meeting audio to surface insight, sentiment and compliance signals.
- **eKYC** — Electronic know-your-customer verification combining language and biometric technology.

## Achievements

- Built what it benchmarks as the highest-accuracy NLP engine for Bahasa Indonesia.
- Partnered with Indonesia's Kominfo to power the AntiHoaks anti-misinformation chatbot.
- Raised Series A from GDP Venture (2019) and began a Series B round (2022).
- Expanded text-to-speech to roughly 40 distinct Indonesian voice variations.
- Represented Bahasa Indonesia language technology at the UNESCO LT4All conference.
- Reported ~50% year-over-year business growth as of 2022.

## Latest updates

- **2022-01** — Began raising a Series B round, targeting a mid-year close, after ~50% YoY growth.
- **2022-01** — Launched speech-to-text transcription with real-time meeting transcription.
- **2022-06** — Presented a major text-to-speech update creating around 40 voice variations.

## Links

- Website: https://prosa.ai
- LinkedIn: https://www.linkedin.com/company/prosa-ai
- Twitter/X: https://twitter.com/prosa_ai
- Facebook: https://www.facebook.com/prosaai/

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Profile page: https://yespress.io/prosa-ai
Published by YesPress — https://yespress.io
Last updated: 2026-07-25