Best Data Labeling & Training Data AI Tools

As of 2026-07, AlphaMoat tracks 110 AI websites tagged Data Labeling & Training Data. The most visited is Hugging Face with 28.2M monthly visits (+3.9% MoM). Ranked by latest monthly traffic, updated monthly.

#ProductIndustryVisitsMoM

1

Hugging Face

Hugging Face - A community platform and library for machine learning models

Business28.2M+3.9%

2

Outlier

Train the Next Generation of AI as a Freelancer is represented by outlier.ai. What is Outlier? A platform for building AI with expert human input. Discover Outlier AI, join a community for freelancers, and shape the next generation of AI.

Characters&Fun12.6M+2.6%

3

Kaggle

Kaggle 对应 kaggle.com。Discover what actually works in AI. Join millions of builders, researchers, and labs evaluating agents, models, and frontier technology through crowdsourced benchmarks, competitions, and hackathons.

Business11.2M-6.5%

4

clickworker

人工智能训练数据SEO文本网络研究标记调查

Writing&Design2.1M+12.8%

5

Deepgram

Audio1.5M-13.8%

6

Design Arena

基于真实用户投票的 AI 设计能力评测平台。

General AI1.4M-0.1%

7

Ultralytics

Ultralytics is represented by ultralytics.com. End-to-end computer vision platform. Annotate data, train YOLO models, and deploy to 43 global regions. Trusted by Siemens, Intel, Shell & more.

General AI987.7K+3.7%

8

TranscribeMe

TranscribeMe 对应 transcribeme.com。TranscribeMe offers fast, affordable, and highly accurate human transcription, translation, data annotation, and AI dataset services customized for your needs.

Audio967.8K+4.8%

9

Appen

现成的数据集LLM数据产品人工智能培训专家领域专家精心策划的小组全球小组

General AI920.9K-1.1%

10

AfterQuery

AfterQuery 是 AfterQuery 旗下与 afterquery.com 对应的产品官网，主要提供：AfterQuery is an applied research lab curating data solutions to accelerate foundation model development.

General AI842.6K-13.8%

11

InvisibleTechnologiesInc.

先进的通信工具生产力自动化隐身AI助手将实时数据跟踪与流行的平台集成

Productivity808.0K+2.1%

12

Opentrain

OpenTrain AI is represented by opentrain.ai. Hire from 137,000+ pre-vetted AI trainers and data labelers across 180+ countries. Self-service or fully managed for RLHF, LLM eval, and annotation.

General AI788.4K+53.8%

13

Labelbox

Labelbox is represented by labelbox.com. From reinforcement learning data to custom evaluations, we partner with over 80% of leading AI labs in the US and the innovators defining the next frontier of AI.

Education615.7K-37%

14

Scale

Scale AI的核心功能包括高质量的训练数据，由经验丰富的专家团队进行的数据标记和注释，用户友好的平台界面以及可满足各种AI应用程序需求的可扩展性。

Image595.6K-1.7%

15

SuperAnnotate

SuperAnnotate提供端到端的数据注释、版本控制和管理平台，为AI模型生成训练数据。

Life Assistant581.4K+62.2%

16

Wirestock

销售照片，AI艺术和视频使用AI工具创建AI艺术在多个市场中销售您的内容跟踪销售和收入与1组AI艺术家协作和学习

Image353.7K+2%

17

Encord

注释工具和工作流管理模型评估和可观测性数据管理和策展

Image260.0K-8.1%

18

prolific.co

超过120,000个真实参与者的可信和筛选池快速可靠的响应多样化且具有代表性的数据集查找和重新连接参与者的能力使用开源api自动执行任务专用帮助中心和支持团队

Education258.4K-27.3%

19

surgehq.ai

全球数据标注平台与超过40种语言的现代api和工具的卓越人力资源集成

General AI224.8K+7.1%

20

Label Studio

适用于所有数据类型的灵活数据注释支持计算机视觉，自然语言处理，语音，声音和视频模型，可自定义的标签和注释模板，通过Webhooks，Python SDK和API与ML / AI管道集成，ML辅助注释与后端集成，连接到云对象存储 (S3和GCP)，使用data manager进行高级数据管理，支持多个项目和用户，并获得数据科学家社区的广泛信任

Programming192.8K-6.1%

21

Defined.ai

大规模语言模型数据认证数据集命名实体识别语音自发会话基于方面的情感分析实时数据图像和视频数据集自然语言处理

General AI190.9K-1.7%

22

Nyckel

Nyckel 对应 nyckel.com。The platform for expert APIs that learn from examples.

Education151.4K-8%

23

Labellerr

Labellerr 对应 labellerr.com。Labellerr provides high-quality, scalable data labeling for AI and ML. Get reliable annotation services to train accurate machine learning models.

Education135.3K-22.5%

24

Voxel51

Voxel51 is represented by voxel51.com. Voxel51 empowers multimodal and physical AI builders to unlock visual data insights and maximize model performance. Start building today.

General AI131.7K+14.8%

25

Meta ARE

用于 Agent 评估的动态仿真研究平台。

General AI97.3K+33.7%

26

Tonic Fabricate Data Agent

The AI agent for synthetic data generation

General AI72.9K-1.9%

27

Labelyourdata

Label Your Data is represented by labelyourdata.com. ▶️ A data annotation company trusted by AI teams to deliver expertly labeled datasets for ML projects.

General AI72.6K-1.5%

28

HasData

HasData 是 HasData 旗下与 hasdata.com 对应的产品官网，主要提供：HasData web scraping service with 70+ pre-built scrapers from $0.08 per 1,000 requests. Any URL to JSON or Markdown in one API call.

Programming54.8K+1.3%

29

Pangeanic

Multilingual AI Data Operations, Model Alignment, AI Training Data is represented by pangeanic.com. Multilingual AI Data Operations, Model Alignment, AI Training Data: 20 years NLP heritage. RLHF, LLM evaluation. AI deployments for government & enterprise

Education54.6K-10%

30

Kili Technology

标签平台，高质量的训练数据

General AI53.8K+21%

31

Innovatiana

Data labeling for computer vision and natural language processing models. Experienced labeling team, ethical outsourcing practices, tightly managed, competitive pricing, data security and confidentiality, high-quality labeled data

General AI48.5K-15%

32

Datature

数据集管理和版本控制使用Intellibrush轻松注释具有高级体系结构和超参数调优的模型训练无缝部署计算机视觉模型与流行的应用程序和工具集成灵活且可互操作的模型构件自定义集成和响应式支持

Programming46.6K-6.8%

33

Diffbot

Diffbot is represented by diffbot.com. Transform the web into data. Diffbot automates web data extraction from any website using AI, computer vision, and machine learning.

Education44.9K-0.2%

34

MostlyAI

Productivity43.5K-22.5%

35

MRScraper

Programming41.9K+15%

36

Gts

Home is represented by gts.ai. GTS is a leading expert in AI Datasets Collection & Annotation Services like Image, Video, Speech, & Text datasets for ML Models.

Education41.9K+8.2%

37

Strata

One MCP server for AI agents to handle thousands of tools

General AI38.6K-18.1%

38

Aria Everyday Activities

Aria每日活动数据集可加速机器感知和人工智能

General AI31.1K-16%

39

Laion

大规模数据集、开源工具、机器学习模型，促进公共教育中开放环境资源的再利用

General AI29.1K-14.3%

40

Rigyd

Rigyd 是 Rigyd 旗下与 rigyd.com 对应的产品官网，主要提供：Generate physically accurate SimReady objects and worlds from raw 3D models, images, or text. OpenUSD and MJCF, ready for Isaac Sim, MuJoCo, and Genesis.

Image28.4K-4.8%

41

SourceBae

将资助的初创公司或企业与远程开发人员联系起来允许初创公司或企业创建工作职位使开发人员能够浏览和申请远程职位简化双方的招聘流程

Programming27.9K-19.8%

42

CAMEL-AI

CAMEL-AI is represented by camel-ai.org. CAMEL-AI is an open-source community for finding the scaling laws of agents for data generation, world simulation, task automation.

Characters&Fun27.3K-14.8%

43

Picsellia Atlas

Your vision AI agent to build VisionAI applications

General AI27.1K+48.5%

44

BasicAICloud

各行业数据标注服务基于AI的标注平台 (BasicAI Cloud) 自动标注和目标跟踪能力实时和批量质量保证可扩展标签管理协作和团队管理能力

Writing&Design24.8K+26.4%

45

Cleanlab Studio

多标签数据纠错工具

Programming24.7K+13.6%

46

YData

生成合成数据、管理数据、提高数据质量并构建最佳AI项目数据集。

General AI22.4K-12.3%

47

Dataloop

推动AI投入生产的数据引擎

General AI22.2K-14.5%

48

Oumi

Build and deploy custom AI models from a prompt in hours

Programming20.4K-4.1%

49

Platform

Platform 是 Platform 旗下与 platform.newscatcherapi.com 对应的产品官网，主要提供：Platform 的官方网站，面向 platform.newscatcherapi.com 提供相关产品与服务信息。

Programming16.6K+1867.8%

50

aitrainer.work

aitrainer.work 是 aitrainer.work 旗下与 aitrainer.work 对应的产品官网，主要提供：AI Training & Data Annotation Job Board. Browse 1961+ daily-updated remote jobs from Mercor, SME Careers, Alignerr and more. No experience required.

Education16.4K+117.4%

Data month: 2026-07 · Visit figures are third-party traffic estimates aggregated monthly — best for scale and trends. Multiple domains of the same product are merged. See methodology.