Best Data Labeling Software with MLOps Capabilities

How Many Data Labeling Software Products Does G2 Track?

Total Products under this Category: 143

Category Stats (Oct 2026)

  • Average Rating: 4.49/5 (↓0.01 vs Sep 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Snorkel AI (+2.15%) - Among all products in this category, Snorkel AI recorded the largest rating increase compared to last month

Last updated: October 16, 2026

How Does G2 Rank Data Labeling Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 1,900+ Authentic Reviews
  • 143+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Data Labeling Software

G2 Grid® for Data Labeling Software plotting products by satisfaction and market presence

Highlighted products: SuperAnnotate, Roboflow, Encord, Datasaur, CVAT, Clarifai, Amazon Sagemaker Ground Truth, and Labelbox.

Underlying data: [Grid® JSON](https://www.g2.com/categories/data-labeling/grids.json?focus%5B%5D=superannotate&focus%5B%5D=roboflow&focus%5B%5D=encord&focus%5B%5D=datasaur&focus%5B%5D=cvat&focus%5B%5D=clarifai&focus%5B%5D=amazon-sagemaker-ground-truth&focus%5B%5D=labelbox)

Labelbox

Labelbox is the leading data-centric AI platform for building intelligent applications. Teams looking to capitalize on the latest advances in generative AI and LLMs use the Labelbox platform to inject these systems with the right degree of human supervision and automation. Whether they are building AI products with custom or foundation models, or using AI to automate data tasks or find business insights, Labelbox enables teams to do so effectively and quickly. The platform is used by Fortune 500 enterprises such as Walmart, P&G, Genentech, and Adobe, and hundreds of leading AI teams. Labelbox is backed by leading investors including SoftBank, Andreessen Horowitz, B Capital, Gradient Ventures (Google's AI-focused fund), and Databricks Ventures.

Average Rating: 4.5/5.0

Total Reviews: 48

How Do G2 Users Rate Labelbox?

  • Labeler Quality: 9.1/10 (Category avg: 8.9/10)
  • Object Detection: 8.6/10 (Category avg: 8.9/10)
  • Data Types: 8.8/10 (Category avg: 8.8/10)
  • Ease of Use: 9.0/10 (Category avg: 8.8/10)

Who Is the Company Behind Labelbox?

  • Seller: Labelbox
  • Year Founded: 2018
  • HQ Location: San Francisco, California
  • Twitter: @labelbox
    3,489 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    482 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 46% Small, 38% Medium

What Do G2 Reviewers Say About Labelbox?

AI-generated summary from verified user reviews

Pros
  • Users find Labelbox extremely easy to use, simplifying project management and enhancing productivity for data training.
  • Users appreciate the easy and efficient data labeling process of Labelbox, enhancing workflow and model accuracy.
  • Users value the efficiency of Labelbox, appreciating its smooth setup and seamless project management capabilities.
  • Users appreciate the AI capabilities of Labelbox, simplifying data labeling and enhancing model accuracy effortlessly.
  • Users find easy integrations in Labelbox beneficial, enabling a seamless setup and user-friendly experience for all.
Cons
  • Users express frustration over the lack of features, citing limited task claims and minimal customization options.
  • Users report slow performance when handling large datasets, impacting efficiency and user experience significantly.
  • Users find Labelbox to have a difficult learning curve due to its complexity and slower processing with large data sets.
  • Users find the high cost daunting, especially small scale users who may struggle with affordability despite great features.
  • Users experience slow processing with Labelbox, leading to long waits for project initiation and completion.

What Are Recent G2 Reviews of Labelbox?

What Are G2 Users Discussing About Labelbox?

Kili

Kili Technology is a collaborative AI data platform designed to meet the rigorous needs of building large-scale production-ready AI data securely. Founded in Paris in 2018, Kili Technology caters to a diverse range of industries, including healthcare, financial services, manufacturing, defense, and technology. The platform is engineered to support teams of varying sizes, accommodating anywhere from 1 to over 500 concurrent users, and processes millions of assets annually. The core functionality of Kili Technology lies in its ability to facilitate collaboration among cross-functional teams. Unlike traditional labeling tools that primarily serve machine learning engineers, Kili connects data science teams with business stakeholders and subject matter experts. This integration enhances the AI development lifecycle by streamlining processes from annotation and labeling to validation and model feedback. As a result, users can ensure that the data used for training AI models is not only accurate but also relevant to the specific business context. Kili Technology is particularly beneficial for organizations looking to harness the power of AI while maintaining a high level of data quality. The platform supports various data modalities, allowing teams to work with text, images, audio, and video data seamlessly. This versatility makes it suitable for a wide range of applications, from developing natural language processing models to image recognition systems. By fostering collaboration among different roles within an organization, Kili enhances the overall efficiency of the AI development process. Key features of Kili Technology include an intuitive user interface that simplifies the labeling process, robust tools for data validation, and comprehensive feedback mechanisms that enable continuous improvement of AI models. Additionally, the platform offers advanced analytics capabilities, allowing teams to track progress and identify areas for enhancement. These features collectively empower organizations to build high-quality training datasets that meet the demands of complex AI applications. Kili Technology stands out in the competitive landscape of AI data platforms by prioritizing collaboration and usability. By bridging the gap between technical and non-technical stakeholders, it ensures that the development of AI solutions is a cohesive effort. This approach not only accelerates the time to market for AI initiatives but also enhances the overall quality of the training data, ultimately leading to more effective AI models.

Average Rating: 4.7/5.0

Total Reviews: 52

How Do G2 Users Rate Kili?

  • Labeler Quality: 9.2/10 (Category avg: 8.9/10)
  • Object Detection: 9.2/10 (Category avg: 8.9/10)
  • Data Types: 9.2/10 (Category avg: 8.8/10)
  • Ease of Use: 8.9/10 (Category avg: 8.8/10)

Who Is the Company Behind Kili?

  • Seller: Kili Technology
  • Company Website:
  • Year Founded: 2018
  • HQ Location: Paris, FR
  • Twitter: @Kili_Technology
    438 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    52 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Information Technology and Services, Computer Software
  • Company Size: 38% Medium, 34% Small

What Do G2 Reviewers Say About Kili?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use and precise metrics for comprehensive visualization of annotation projects on Kili.
  • Users love the ease of use of Kili's data labeling platform, appreciating its precise metrics and project visualization.
  • Users love the ease of use of Kili, making annotation projects straightforward and efficient.
  • Users value the variety of models available on Kili, enhancing their annotation projects with diverse options.
Cons
  • Users feel Kili lacks ample features, expressing a desire for more content in platform updates.
  • Users feel that Kili lacks adequate content updates, impacting their overall experience and functionality of the platform.

What Are Recent G2 Reviews of Kili?

Jaxon.ai

Jaxon’s an AI platform that guides data science teams through the research-design-build process. It combines formal reasoning with an LLM-driven agent to ensure data science teams adhere to best practices. Jaxon explores tradeoffs using simulations to quickly figure out what will work best for each use case. Jaxon continuously improves by accumulating usage patterns and retraining itself on what works and when.

Average Rating: 4.5/5.0

Total Reviews: 12

How Do G2 Users Rate Jaxon.ai?

  • Labeler Quality: 8.1/10 (Category avg: 8.9/10)
  • Object Detection: 8.0/10 (Category avg: 8.9/10)
  • Data Types: 8.1/10 (Category avg: 8.8/10)
  • Ease of Use: 7.9/10 (Category avg: 8.8/10)

Who Is the Company Behind Jaxon.ai?

  • Seller: Jaxon.AI
  • Year Founded: 2017
  • HQ Location: Boston, US
  • LinkedIn® Page: www.linkedin.com
    34 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 58% Small, 25% Medium

What Are Recent G2 Reviews of Jaxon.ai?

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CrowdAI

Everything you need to go from pixels to value

Average Rating: 4.3/5.0

Total Reviews: 2

How Do G2 Users Rate CrowdAI?

  • Labeler Quality: 10.0/10 (Category avg: 8.9/10)
  • Object Detection: 8.3/10 (Category avg: 8.9/10)
  • Data Types: 10.0/10 (Category avg: 8.8/10)
  • Ease of Use: 9.2/10 (Category avg: 8.8/10)

Who Is the Company Behind CrowdAI?

  • Seller: CrowdAI
  • Year Founded: 2016
  • HQ Location: San Francisco, US
  • Twitter: @CrowdAIinc
    261 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    6 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Large, 50% Small

What Are Recent G2 Reviews of CrowdAI?

Watchful

Watchful is a modern and interactive solution that places the control of data labeling back into the hands of data scientists and subject matter experts. Through our scalable data-centric approach, anyone can holistically explore, classify, annotate and validate any unique dataset to power today’s AI initiatives and business processes. Watchful’s enterprise-ready solution removes the data bottlenecks associated with AI from the start, allowing for the iterative processes of AI, from production to deployment, to be far more cost-effective and scalable. Use Watchful across multiple industries such as manufacturing, retail, finance, life sciences, and more.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Watchful?

  • Labeler Quality: 10.0/10 (Category avg: 8.9/10)
  • Object Detection: 8.3/10 (Category avg: 8.9/10)
  • Data Types: 8.3/10 (Category avg: 8.8/10)
  • Ease of Use: 8.3/10 (Category avg: 8.8/10)

Who Is the Company Behind Watchful?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Watchful?

Humanloop

Humanloop is the LLM evals platform for enterprises. Teams at Gusto, Vanta and Duolingo use Humanloop to ship reliable AI products. We enable you to adopt best practices for prompt management, evaluation and observability.

Who Is the Company Behind Humanloop?

  • Seller: Humanloop
  • Year Founded: 2020
  • HQ Location: London, GB
  • Twitter: @humanloop
    9,707 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    13 employees on LinkedIn®

Lodestar

The world’s first real-time active learning data annotation platform to accelerate high-quality dataset and computer vision model creation. Label up to 10 hours of video in a single project. Lodestar is a complete management suite for developing computer vision models from video data. Our unique real-time integrated tools can help create production models 4x faster than traditional AI workflows.

Who Is the Company Behind Lodestar?

  • Seller: Lodestar
  • Year Founded: 2019
  • HQ Location: Cupertino, US
  • LinkedIn® Page: www.linkedin.com
    14 employees on LinkedIn®

Predictly MLOps

Predictly understands how important it is to automate the processes in a business and Predictly is here to help businesses in implementing machine learning with no hassle, which reduces costs and optimizes the overall productivity.

Who Is the Company Behind Predictly MLOps?