High 12 Textual content Knowledge Assortment Companies in 2023


Options that make the most of Pure Language Processing (NLP), reminiscent of generative AI instruments and speech recognition (SR) methods, want human-generated textual content or language knowledge for correct operation. Companies and builders rely on knowledge assortment companies to acquire this knowledge.

In case you are contemplating working with language or textual content knowledge assortment companies, this text supplies a comparability of the highest knowledge assortment and technology companies obtainable out there. It additionally consists of standards to help corporations in narrowing down their choices and an in depth analysis part for all the businesses in contrast on this article.

Textual content knowledge assortment companies comparability

Deciding on the precise companion for accumulating textual content knowledge is a major choice for any NLP challenge. The tables beneath supply the highest corporations out there providing textual content knowledge assortment and technology companies:

Desk 1. Comparability based mostly available on the market presence & expertise standards

Platforms Consumer Scores
Out of 5 (Avg)*
Variety of
Based Knowledge Assortment
Clickworker 4.1 68 2005
Appen 4.2 54 1996
Prolific 4.7 48 2014
Amazon Mechanical Turk 4 28 2005
Telus Worldwide 4.3 10 2005
TaskUs 4.3 6 2008
Summa Linguae Applied sciences N/A N/A 2011
LXT N/A N/A 2010
Surge AI N/A N/A 2020
Toloka AI N/A N/A 2014
Innodata Inc N/A N/A 1988
DataForce by Transperfect N/A N/A 1992

* The information was gathered from B2B evaluate platforms reminiscent of G2, Trustradius, and Capterra.

** If the corporate mentions knowledge assortment as the primary providing on its web site, we think about it to be knowledge collection-focused.

Desk 2. Comparability based mostly on platform capabilities

Platforms Textual content
Textual content Knowledge
Languages*** Cellular software API Integration ISO 27001 Certification Code of Conduct
Clickworker – Handwritten
– Typed
– Sentiment evaluation
Appen – Typed
– Sentiment evaluation
Prolific N/A N/A
Amazon Mechanical Turk N/A N/A N/A N/A
Telus Worldwide – Handwritten
– Typed
TaskUs – Typed
– Sentiment evaluation
Summa Linguae Applied sciences – Typed 35+
LXT – Typed 1000+
Surge AI – Typed
Toloka AI -Typed
– Sentiment evaluation
Innodata Inc -Typed
– Sentiment evaluation
DataForce by Transperfect N/A 250+

*** Primarily based on vendor claims from web sites.

Notes for the tables:
  • The comparability desk is created from publicly obtainable and verifiable knowledge.
  • Each the tables are ranked based mostly on the variety of evaluations.
  • The distributors had been chosen based mostly on the relevance of their companies. Because of this all distributors that provided textual content or language knowledge assortment or technology had been included.
  • Other than textual content knowledge, all corporations cowl a wide selection of information sorts for his or her knowledge assortment & annotation companies (picture, video, audio/speech, and so on.).
  • One other filter used to slender down the distributors was 50+ staff.
  • In Desk 2, an organization is assumed to comply with a code of conduct if it has a code of conduct web page on its web site.
  • This desk is not going to be up to date commonly subsequently, you possibly can try our data-driven record of information assortment companies to seek out the precise choice in your textual content knowledge wants.

Standards for choosing a textual content knowledge assortment service

This part covers the factors you should utilize to slender down your choices of textual content knowledge suppliers.

Market presence and expertise

  • Consumer rankings*: Excessive common rankings on B2B platforms typically point out strong buyer satisfaction.
  • Variety of evaluations*: A better variety of evaluations usually displays a wider person base and supplies detailed insights into buyer experiences.
  • Based: The 12 months an organization was based will be vital, as older companies typically have extra polished companies from their expertise. Nevertheless, this isn’t a common rule, as some corporations might specialise in a specific service and purchase better experience in a shorter timeframe. So use this criterion whereas analyzing buyer evaluations as properly.
  • Knowledge assortment focus: Corporations specializing primarily in knowledge assortment and technology are doubtless extra expert in these areas.

Platform capabilities

  • Textual content annotation: It may be environment friendly if the info supplier additionally presents textual content annotation as a service since knowledge assortment and annotation are complementary to one another. 
  • Textual content knowledge sorts/codecs: Take into account the textual content knowledge codecs the corporate presents.
  • Languages***: Confirm which languages the service helps and whether or not it consists of the precise language(s) you want.
  • Cellular software: Allows environment friendly administration of initiatives on-the-go and distinctive situations for voice knowledge assortment.
  • API integration: Facilitates seamless knowledge switch and processing.
  • ISO certification: Demonstrates compliance with worldwide requirements for knowledge safety and high quality.
  • Code of Conduct: Showcases a dedication to moral remedy of the workforce.
  • Crowd measurement: An unlimited and numerous world workforce presents scalability and selection in options. A bigger pool of employees can present textual content datasets in a broader vary of languages and dialects.

Determine 1. Crowd comparability of the textual content knowledge assortment companies

A bar graph showing the crowd sizes of all the text data collection services mentioned in this article. Clickworker has the largest with 4.5 million, followed by Appen and Telus International with 1 million, and then Prolific at the last with less than 300,000.

Notes for Determine 1:

  • Corporations with a crowd measurement of lower than 100K weren’t included.
  • Some distributors had been additionally excluded since their crowd measurement knowledge was not discovered on their web sites.

Firm analysis

Here’s a temporary abstract of every firm’s choices and its efficiency analysis based mostly on buyer evaluations and up to date information.

1. Clickworker

Clickworker presents AI knowledge assortment and technology companies by its crowdsourcing platform, overlaying a number of knowledge sorts, together with textual content, audio, picture, and video. Its choices embrace:

  • Human-generated textual content datasets in a number of languages
  • Handwritten datasets
  • Sentiment evaluation knowledge and repair
  • Textual content annotation companies
  • Picture, video, audio, and speech knowledge assortment, technology, and annotation.

Clickworker’s professionals and cons

  • Prospects state that Clickworker’s crowd is dependable and the platform is simple to make use of.1
One of the text data collection services Clickworker's positive review on reliability and ease-of-use from G2.
  • A buyer evaluate concerning Clickworker’s knowledge annotation service and its costs.2
One of the text data collection services, Clickworker's positive review on image data annotation from G2 for the image data collection article.

2. Appen

Appen works with a crowdsourcing platform specializing in deep studying, knowledge assortment, and machine-learning fashions. It presents:

  • Textual content knowledge assortment and technology companies
  • Textual content annotation companies
  • Sentiment evaluation companies

Appen’s professionals and cons:

  • Latest information has recognized that Appen’s efficiency is declining because it loses prospects and goes by monetary losses.3
  • Whereas some prospects said that Appen’s platform is simple to make use of, in addition they recognized server crashes.4
One of the text data collection services, Appen's negative review from G2.

3. Prolific

Prolific additionally presents AI knowledge assortment companies by a crowdsourcing platform. Here’s a record of its choices:

  • Textual content knowledge assortment
  • Analysis knowledge
  • Doesn’t supply knowledge annotation as a service
  • Knowledge labeling instruments will be paired with Prolific’s instrument

Prolific’s professionals and cons:

  • One of many drawbacks recognized by analyzing the evaluate is that a lot of the evaluations are concerning its research-related companies. This means that Prolific’s AI companies might not be that widespread.5
  • Despite the fact that some analysis prospects discovered Prolific’s buyer help to be good, they’d points with the platform’s lack of ability to set custom-made quotas based mostly on geographic and demographic parameters.6
  • Prolific additionally presents a comparatively smaller crowd than different knowledge companies.
Prolific's positive and negative reviews for its text data collection services from G2.

4. Amazon Mechanical Turk

Amazon Mechanical Turk, or MTurk, presents crowd-sourced knowledge assortment and numerous knowledge options starting from textual content to video. Its AI knowledge choices embrace:

  • Textual content knowledge assortment
  • Different knowledge assortment companies (picture, video, audio)

MTurk’s professionals and cons:

  • Whereas prospects discovered MTurk’s service fast, in addition they discovered the info high quality to be low.7.
Negative review of Amazon mechanical turk regarding the low quality of its text data collection services from G2.

5. Telus Worldwide

Telus Worldwide presents AI knowledge options that span throughout machine studying, pc imaginative and prescient, and pure language processing. Its choices are:

  • Customized textual content knowledge assortment
  • Textual content annotation
  • Knowledge assortment for different knowledge sorts (Picture, video, audio, and so on)
  • Different knowledge companies for AI improvement.

Telus Worldwide’s professionals and cons:

  • The purchasers have a knowledge annotation service and supply a comparatively bigger community of information collectors/annotators.
  • There have been no evaluations discovered concerning the corporate’s knowledge assortment companies, which may make it tough for potential patrons to guage its efficiency.

6. TaskUS

TaskUS additionally operates with a crowdsourcing mannequin to supply textual content knowledge options. Nevertheless, its key providing is within the buyer expertise area. Its choices embrace:

  • Textual content knowledge assortment/technology
  • Sentiment evaluation is obtainable
  • Sentiment knowledge will not be provided.

7. Summa Linguae Applied sciences

With a concentrate on customized options, Summa Linguae presents instruments and companies catering to totally different AI challenge necessities. Listed here are Summa Linguae’s choices:

  • Customized knowledge assortment, together with all knowledge sorts (Textual content, picture, video, and so on)
  • Textual content annotation
  • Machine studying mannequin coaching knowledge
  • Knowledge safety and high quality assurance

8. LXT

LXT can also be an rising participant within the knowledge assortment house, providing varied companies for AI improvement. Its choices embrace:

  • Textual content knowledge assortment for NLP
  • Textual content knowledge annotation
  • Knowledge assortment for different knowledge sorts (Picture, video, audio)

9. Surge AI

Primarily based in California, Surge AI supplies coaching knowledge for machine studying fashions by a crowdsourcing platform. Surge AI focuses on accumulating and labeling knowledge for Massive language fashions (LLMS). Listed here are a few of their knowledge companies:

  • Textual content knowledge assortment
  • Textual content knowledge labeling and annotation
  • Reinforcement Studying from Human Suggestions (RLHF)
  • And different human-generated knowledge companies

10. Toloka AI

Working with a crowdsourcing platform, Toloka AI focuses on accumulating knowledge for AI fashions, particularly pure language processing (NLP). Its choices embrace:

  • Textual content knowledge options
  • Textual content annotation
  • Knowledge assortment of different knowledge sorts

Toloka AI’s professionals and Cons

  • The corporate claims to supply textual content knowledge assortment and annotation in a number of languages.
  • Toloka AI operated with a considerably smaller crowd measurement as in comparison with corporations like Clickworker and Appen.
  • B2B buyer evaluations weren’t discovered, which may make it tough for potential prospects to guage its companies from the shopper’s perspective.

11. Innodata Inc

Specializing in creating AI coaching knowledge, Innodata Inc. presents customized knowledge options to coach machine studying fashions. Its AI knowledge companies embrace:

  • Textual content knowledge assortment service
  • Machine studying challenge consultancy
  • Knowledge safety options

12. DataForce by Transperfect

DataForce caters to particular AI improvement wants, providing a mix of textual content, picture, video, and audio/speech knowledge.


  • Audio and voice datasets
  • Picture and video knowledge assortment companies
  • Skilled challenge managers for AI wants

Remaining suggestions

As options powered by AI, machine studying, and NLP change into more and more vital in enterprise processes, the necessity to work with textual content knowledge companies is anticipated to rise.

These companies are essential for gathering the info required for AI to successfully perceive and course of varied languages. By choosing a knowledge companion that follows the above-mentioned requirements, organizations can safe high-quality, ethically sourced, and precisely annotated knowledge, establishing a strong groundwork for his or her AI initiatives.

You too can think about the next key factors whereas choosing a vendor:

  • Stage of variety: You will need to work with a companion that gives a big and numerous workforce. It will guarantee it may present a scalable service in a well timed method.
  • Buyer satisfaction: You’ll be able to analyze evaluations and assess whether or not the corporate can meet deadlines. 
  • Clear description and understanding: Make clear edge instances and potential points upfront, so the workforce can work effectively without having to pause and ask for clarification.

Transparency assertion

AIMultiple serves quite a few rising tech corporations and distributors, together with those linked on this article.

Additional studying

For those who need assistance discovering a vendor or have any questions, be happy to contact us:

Discover the Proper Distributors

Exterior sources

  1. Clickworker buyer evaluate on reliability and easy-to-use platform. G2. Accessed: 05/December/2023.
  2. Clickworker’s evaluate concerning knowledge annotation companies. G2. Accessed: 05/December/2023.
  3. Hayden Discipline, (2023). Contained in the turmoil at Appen, the previous AI darling that’s reeling from govt exits, large losses. CNBC. Accessed: 05/December/2023.
  4. Appen’s unfavourable evaluate concerning server crashes. G2. Accessed: 04/December/2023.
  5. Most Prolific evaluations are for its analysis companies. G2. Accessed: 05/December/2023.
  6. Prolific’s evaluate on buyer help and customised parameters. G2. Accessed: 05/December/2023
  7. Detrimental evaluate concerning MTurk’s knowledge assortment service. G2. Accessed: 05/December/2023.