# Labelbox

> Labelbox is a San Francisco-based AI data factory that helps frontier AI labs and enterprises generate, label, and evaluate the high-quality training data their models need. Its platform combines annotation tools, model-assisted automation, and a global expert network (Alignerr) to power post-training, RLHF, and multimodal reasoning workloads.

- **Founded:** 2018
- **Headquarters:** San Francisco, California, United States
- **Founders:** Manu Sharma (Co-founder & CEO), Brian Rieger (Co-founder & COO), Dan Rasmuson (Co-founder)
- **Team size:** ~470 employees
- **Products:** Annotate, Catalog, Model Foundry, Alignerr, Boost (managed services)
- **Notable:** Raised $189M total funding across five rounds; unicorn status reached in 2022., Acquired Upcraft (2024) to fold AI-agent automation into the Alignerr workforce., Conducts 2,000+ AI-powered expert interviews per day at peak.

## Products & services

- **Annotate** — Purpose-built labeling tools across image, video, audio, text, PDF and multimodal data, with SAM2 auto-segmentation and nested classifications.
- **Catalog** — Data curation and management engine supporting natural-language search, similarity search across up to 1B rows, and cloud bucket sync to AWS, GCP and Azure.
- **Model Foundry** — Model-assisted labeling and evaluation using a library of open-source and third-party foundation models for tasks like detection, segmentation, classification and generation.
- **Alignerr** — Global expert workforce of vetted specialists (PhDs, doctors, lawyers, coders, linguists) who produce RLHF, reasoning, and evaluation data for frontier AI labs.
- **Boost (managed services)** — End-to-end managed labeling and data-generation services for enterprises that want output rather than tooling.

## Achievements

- Raised $189M total funding across five rounds; unicorn status reached in 2022.
- Acquired Upcraft (2024) to fold AI-agent automation into the Alignerr workforce.
- Conducts 2,000+ AI-powered expert interviews per day at peak.
- Top Alignerr experts earn $250K+ annually for elite RLHF and reasoning work.
- Named to multiple Forbes AI 50 and Fast Company innovation lists.

## Latest updates

- **2025-Q1** — Q1 2025 product spotlight: new services and platform updates focused on coding, audio, multilingual and multimodal data.
- **2024-08** — Brand refresh announced ('Our new look') emphasizing craftsmanship, reliability, utility.
- **2024** — Acquired Upcraft, bringing agentic AI tooling into Alignerr.
- **2023** — Launched Model Foundry for model-assisted labeling and evaluation using foundation models.

## Links

- Website: https://labelbox.com
- LinkedIn: https://www.linkedin.com/company/labelbox
- Twitter/X: https://twitter.com/labelbox
- GitHub: https://github.com/Labelbox
- YouTube: https://www.youtube.com/@labelbox
- Facebook: https://facebook.com/getlabelbox/

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Profile page: https://yespress.io/labelbox
Published by YesPress — https://yespress.io
Last updated: 2026-05-28