Labelbox vs Yellow.ai

Labelbox — Infrastructure · Private · $189M raised · 2 of 2 figures sourced  |  Yellow.ai — Application · Private · 2 of 2 figures sourced

Relationship

Assembled from the recorded fields for this pair, not hand-checked. The comparison below is read from each company’s own profile.

Aligned comparison

FieldLabelboxYellow.ai
Size$189M raisednot disclosed
Employees—650
Founded20182016 2 yrs earlier
StatusPrivatePrivate match
CategoryInfrastructureApplication
Stack layerAgent platform, Application, Data service, Developer tool, PlatformAI agent, Agent platform, Application, Developer tool
HeadquartersSan Francisco, USASan Mateo, USA

Capability overlap

Shared · 3

Agent orchestrationData analysisEvaluation and observability

Not verified for Yellow.ai · 5

Data labellingModel inferenceModel trainingVector searchWorkflow automation

Recorded for Labelbox. Yellow.ai’s product records say nothing either way — a missing record is not a missing capability.

Not verified for Labelbox · 4

Customer supportKnowledge retrievalVoice agentVoice conversion

Recorded for Yellow.ai. Labelbox’s product records say nothing either way — a missing record is not a missing capability.

Products, side by side

Algorithmic pairing — assembled from recorded fields, not hand-checked

Labelbox

Application

AnnotateApplication

Annotate is the data labeling product within Labelbox, providing 10+ built-in editors for multimodal chat, LLM evaluation, prompt/response generation, computer vision and NLP, plus customizable labeling and review workflows and team performance monitoring.

CatalogApplication

Catalog is Labelbox's data curation and search product providing out-of-the-box search across images, text, video, conversations and documents over metadata, vector embeddings and annotations without building your own vector database infrastructure.

Agent platform

RecursionAgent platform

Labelbox's reinforcement-learning platform for developing, evaluating and deploying enterprise specialist agents, connecting RL environments, evaluation systems and a training loop that fine-tunes models from graded rollout trajectories.

Developer tool

Labelbox FoundryDeveloper tool

Foundry runs third-party foundation models over data already in Labelbox to pre-label and enrich image, text and document datasets without code, routing the predictions to human review; billed as inference cost per model run plus Labelbox Units.

Yellow.ai

Application

Agent AssistApplication

AI suggestions and workflows for human support teams handling live conversations.

Agent BuilderApplication

Build enterprise customer-service AI agents from natural-language prompts.

AnalyzeApplication

Conversation analytics over AI agent interactions, with visibility into customer behaviour and agent performance.

Conversational Knowledge BaseApplication

Retrieves enterprise knowledge for conversational agents using agentic RAG.

Email AutomationApplication

Uses LLMs to understand unstructured support emails, infer intent and urgency, and trigger automated resolution or escalation workflows.

Agent platform

Yellow.ai Agentic AI PlatformAgent platform

Customer- and employee-facing agents built without code: an agent builder across channels, a knowledge base the company calls agentic RAG, a copilot for previewing and debugging what an agent did, automated testing before release, and Nexus Vox for voice.

Developer tool

AI CopilotDeveloper tool

Tests and debugs AI agents built on the Yellow.ai platform.

Automated TestingDeveloper tool

Generates and executes quality tests for AI agents built on the Yellow.ai platform.

No counterpart

Labelbox sells these in a stack layer with no product recorded for Yellow.ai yet — nothing on the other side to compare them against.

Platform

HorizonPlatform

Horizon supplies RL training gyms and evaluations for reasoning, tool use and computer use, using WorldSim to simulate enterprise environments such as GitLab, Jira, CRM, email and chat and to produce calibrated reward and preference signals for post-training.

Data service

AlignerrData service

Alignerr is Labelbox's expert-network product that routes AI training and evaluation tasks to credentialed contributors across 200+ knowledge domains and 40+ countries and returns structured outputs for RL training, RLHF and evaluation workflows.

TerraData service

Terra is Labelbox's robotics data product delivering video, trajectories and multimodal annotations across pre-training, post-training and evaluation stages, including expert teleoperation with action labels and multiple camera perspectives for embodied foundation models.

Yellow.ai sells these in a stack layer with no product recorded for Labelbox yet — nothing on the other side to compare them against.

AI agent

Nexus VoxAI agent

Enterprise voice AI platform running voice agents with cloned, human-sounding voices.