Companies

Labelbox

labelbox.com

Labelbox provides AI data-engine software and managed services for training-data generation and model evaluation.

HQSan Francisco, California, United States
Employees51-200
Funding$189M
Valuation$1.0B
10 active roles
Profile 6mo agoJobs checked 17h ago
AI / MLAI ApplicationB2B SaaSSeries D+$50M-$200M

About

Labelbox builds an AI data engine combining data-labeling software, training-data generation, model evaluation, and managed human-data services. It serves leading AI labs and organizations developing frontier and enterprise AI, differentiating through an integrated platform-and-services approach that turns human expertise into structured learning signals.

Market

Labelbox competes in AI training-data, data-labeling, human-feedback, model-evaluation, and reinforcement-learning infrastructure. Its positioning has expanded from a general data-labeling platform into an AI data factory and RL data engine, differentiating through the combination of software, expert human signal, custom evaluations, RL environments, and continuous improvement for frontier and enterprise AI systems.

Target Customers

Labelbox primarily serves leading AI research labs and enterprise AI teams building, evaluating, and deploying frontier or specialist models. Typical buyers are AI/ML research, engineering, and data-operations leaders at large organizations that need high-quality training data, expert feedback, custom evaluations, and reinforcement-learning infrastructure.

At a Glance

Problem

AI teams need large volumes of high-quality, task-specific data to train, evaluate, and improve frontier and enterprise models, but converting human expertise into reliable learning signals is difficult to coordinate at scale. Labelbox addresses the data bottleneck behind AI deployment: the need to label, manage, and continuously improve datasets while maintaining quality and providing rapid feedback. Its core use case is helping AI labs and enterprises create the training and reinforcement-learning data required for generative AI, frontier models, and production AI applications.

The economic pain is the time, operational complexity, and quality risk involved in building these datasets manually or through fragmented workflows. Poorly labeled data can slow model development and deployment, while high-quality data can improve model performance and accelerate the launch of AI applications. Labelbox positions this problem as central to data-centric AI and frontier-model development.

Product / Service

Labelbox combines a data-centric AI platform with labeling and data-generation services. Its software supports the creation and management of training datasets across modalities including images, video, text, documents, and audio, while its service offering delivers labeled data with real-time feedback, built-in automation, and quality control. The platform is designed to let teams collaborate on data and use automation to identify where additional labeling or refinement can most improve model outcomes.

The delivery model therefore spans self-managed tooling and an operated data factory for AI labs and enterprises. Labelbox describes its work as building reinforcement-learning data factories and providing high-quality training data for frontier and task-specific models. The intended benefit is faster, more reliable iteration: teams can turn expert input into structured learning signals, continuously improve their datasets, and deploy AI applications more rapidly.

Market

Labelbox competes in the data-centric AI, machine-learning data labeling, training-data management, model-evaluation, and generative-AI data-factory markets. The available research does not name specific competitors, but the company’s positioning places it alongside providers of annotation software, managed human-in-the-loop data services, and broader machine-learning data platforms. Its differentiation is the combination of software, automation, quality control, applied research, and managed data generation for frontier AI rather than simple point-in-time annotation.

Labelbox is not presented as pre-revenue in the available evidence; instead, the record shows substantial venture financing and an established enterprise-oriented business. Sources report five funding rounds totaling $189 million, including a $110 million Series D led by SoftBank Vision Fund II, while another funding record describes a $110 million round at a $1 billion valuation. The company’s stated customer focus—leading AI labs and enterprises—and its operation of reinforcement-learning data factories indicate meaningful commercial traction, although revenue, customer counts, and profitability are not disclosed in the research provided.

Founders & Leadership

Manu SharmaFounder
Co-Founder & CEO
Brian RiegerFounder
Co-Founder & COO
Daniel RasmusonFounder
Former Labelbox Co-Founder; currently Co-Founder & CTO of Humata.ai
Greg CaplanVP of Growth

Funding History

2018-07
Seed$3.9M

Kleiner Perkins

2019-04
Series A$10M

Gradient Ventures

2020-02
Series B$25M

Andreessen Horowitz

2021-02
Series C$40M

B Capital, IQT

2022-01
Series D$110M

SoftBank Vision Fund

Recent News

2026-02-10
Labelbox acquires agentic sales automation startup Upcraft to rapidly scale the human expertise powering frontier AI

Labelbox announced its acquisition of Upcraft, an agentic sales automation startup, to help scale the human expertise supporting frontier AI.

2025-11-19product
Introducing Labelbox Applied Research

Labelbox launched its Applied Research initiative with flagship offerings including Labelbox Evals, a unified framework for evaluating model behavior, and Labelbox Agents for building reliable AI systems.

2025-08-05product
Introducing Labelbox Evaluation Studio: Drive AGI advancements with real-time feedback on model performance

Labelbox introduced Evaluation Studio, a private, real-time platform designed to provide AI teams with tailored insights and help them identify model strengths and weaknesses.

Active Roles

10
Remote, India/Finance/5d ago
Remote, United States/HR & Recruiting/21d ago
San Francisco Bay Area/Engineering/34d ago
San Francisco Bay Area/Engineering/58d ago
Remote, India/HR & Recruiting/63d ago
San Francisco Bay Area/Engineering/87d ago
San Francisco Bay Area/Forward-Deployed Engineer/87d ago
San Francisco Bay Area/Implementation Engineer/87d ago
San Francisco Bay Area/Forward-Deployed Engineer/143d ago
San Francisco Bay Area/Forward-Deployed Engineer/149d ago

Business Model

Labelbox monetizes its AI data platform through free, monthly subscription, and enterprise plans, with usage-related pricing tied to factors such as annotation volume, data rows, and seats. It also generates revenue from consultation, managed labeling, and human-evaluation services billed through enterprise fees and hourly rates.

Products

Labelbox data-labeling and AI data-factory platformManaged expert data services for multimodal evaluation, RLHF, and SFTAnnotation automation, workflow, feedback, and quality-control capabilitiesRecursion: reinforcement-learning platform for developing, evaluating, deploying, and continuously improving specialist AI models

Customers

NASA Jet Propulsion LaboratoryGenentechBurberryAncestryWalmartNayyaProcter & GambleCriteoCAPE Analytics

Tech Stack

Large language models (LLMs) and generative AIReinforcement learning (RL) and RLHFSupervised fine-tuning (SFT)Multimodal data and model-evaluation pipelinesHuman-in-the-loop expert labeling and evaluationPython SDK/API; public engineering footprint includes Python, Go, Jupyter Notebook, Shell, Rust, and C++

Competitors

Scale AI
SuperAnnotate
Dataloop
Encord
V7 Darwin
CVAT

Key Investors

Andreessen Horowitz, SoftBank Vision Fund