# Unbabel

> Unbabel provides enterprise translation software and services that combine machine translation, automated quality estimation and human expertise. Its Language Operations platform connects multilingual customer support and content localization to existing business tools. Founded in Lisbon in 2013 and based in San Francisco, it was acquired by TransPerfect in August 2025.

- **Founded:** 2013
- **Headquarters:** San Francisco, United States
- **Founders:** Vasco Pedro (Co-founder and CEO at the August 2025 acquisition), João Graça (Co-founder and CTO), Sofia Pessanha (Co-founder), Bruno Prezado Silva (Co-founder and lead designer (historical)), Hugo Silva (Co-founder and developer (historical))
- **Products:** Language Operations platform, Tower, TowerLLM, COMET, Translator Copilot
- **Notable:** Y Combinator Winter 2014 graduate., Released open-source COMET translation evaluation framework in 2020., Acquired Lingo24 in 2021 and Bablic in 2023.

## Products & services

- **Language Operations platform** — Configurable translation pipelines combining machine translation, quality estimation and levels of human review; supports customer service and multilingual content.
- **Tower** — Open-weight multilingual models for translation-related tasks, initially released in 7B and 13B sizes.
- **TowerLLM** — Translation-focused generative AI; the Q1 2025 release reported coverage of 22 languages.
- **COMET** — Open-source neural framework for evaluating machine translations.
- **Translator Copilot** — Assistant inside the translator interface that checks instructions and highlights possible errors using LLMs and quality estimation.
- **Bablic website localization** — Website and web application translation management added through acquisition.
- **Multilingual localization services** — Human expertise for marketing, product content and other localization programs, expanded through Lingo24.

## Achievements

- Y Combinator Winter 2014 graduate.
- Released open-source COMET translation evaluation framework in 2020.
- Acquired Lingo24 in 2021 and Bablic in 2023.
- Acquired by TransPerfect in August 2025; transaction terms undisclosed.

## Latest updates

- **2025-04** — Announced Acclaro partnership and Q1 platform updates including PDF translation beta and improved project cost visibility.
- **2025-05** — Published Translator Copilot rollout details and EuroLLM/OpenEuroLLM supercomputing allocation announcement.
- **2025-08** — TransPerfect announced acquisition; Vasco Pedro was to remain to oversee integration.

## Links

- Website: https://unbabel.com/
- LinkedIn: https://www.linkedin.com/company/unbabel/
- Twitter/X: https://twitter.com/unbabel
- GitHub: https://github.com/Unbabel
- YouTube: https://www.youtube.com/channel/UCJt2CdzySpx3OiW-kzDapIw
- Instagram: https://www.instagram.com/unbabel/
- Facebook: https://www.facebook.com/unbabel

---

Profile page: https://yespress.io/unbabel
Published by YesPress — https://yespress.io
Last updated: 2026-10-24