Brandwave

Karate vs SoapUI:Which is more popular?

In September 2026, SoapUI had more branded searches than Karate among API testing tools worldwide. SoapUI had about 27,200 branded searches, while Karate had 2,310. SoapUI made up 11.6% of all API testing tool searches we track, and Karate accounted for 0.99%. When we asked ChatGPT and Google AI Overviews about API testing tools, Karate and SoapUI each appeared in four of the five answers. Karate was mentioned before SoapUI in three out of five answers.

Among API testing tools worldwide in September 2026

Who do people search for more?

SoapUI, about 12 searches for every 1 for Karate

SoapUI 27.2K searchesKarate 2.3K searches

Who does AI mention more?

Both were mentioned in 4 of 5 answers.

Karate in 4 of 5SoapUI in 4 of 5

Who does AI recommend more?

Karate, named ahead of SoapUI in 3 of 5 answers

Karate first in 3SoapUI first in 2

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Top API testing tools in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Karate and SoapUI were each mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. Karate was listed before SoapUI in three out of five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Postman1st
  2. Bruno2nd
  3. Karate3rd
  4. SoapUI4th
  5. Insomnia5th
  6. Playwright6th
  7. Katalon7th
  8. k68th
  9. Hoppscotch9th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Postman5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • SoapUI4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Bruno4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Karate4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • k63 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Playwright2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Katalon2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Insomnia2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Hoppscotch1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers

See every answer about API testing tools

5 answers

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Is Karate or SoapUI more popular in search?

This chart shows how often people search Google for Karate and SoapUI by name. Each line represents a brand's share of searches for all nine API testing tools we track, month by month, from English-language searches worldwide.

Karate and SoapUI among API testing tools worldwide, by month

Share of searches by month for SoapUI, Karate. The figures are in the table below the chart.

View monthly share of searches table
Monthk6PlaywrightSoapUIPostmanBrunoKatalonInsomniaKarateHoppscotch
Oct 202526.3%15.4%18.3%13.2%9.3%6.7%8.9%1.3%0.77%
Nov 202529.9%17.9%17%13.2%7%6.2%6.9%1.4%0.71%
Dec 202528.5%19.2%16.2%13.3%8.1%5.9%6.7%1.3%0.7%
Jan 202630%20.6%13.9%11.9%8.6%6.2%6.7%1.2%0.87%
Feb 202629.9%19.4%13.9%13.2%10.5%5.1%5.7%1.4%0.89%
Mar 202627.4%18.5%15.3%11.9%11.6%5.6%7.4%1.3%1%
Apr 202629.3%20.1%13.6%13%10.3%6.1%5.5%1.1%0.89%
May 202631.1%19.2%14.4%11.2%11.2%5.3%5.6%1.1%0.8%
Jun 202631.3%21.7%14.3%11.6%9.1%5.2%4.8%1.2%0.91%
Jul 202632.6%19.9%12.2%12%11.6%4.4%5.1%1.2%0.93%
Aug 202633.1%22.1%12.4%11.8%9.6%4.5%4.3%1.1%1.1%
Sep 202637.5%21%11.6%9.8%9%5.2%3.9%0.99%0.91%

How has the Karate and SoapUI comparison changed over the last 12 months?

3 findings
  • SoapUI was ahead of Karate in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Karate’s share of searches among API testing tools worldwide moved from 1.3% to 0.99%, and its estimated monthly branded searches moved from 3.5K to 2.3K.
  • Across the 12 months ending September 2026, SoapUI’s share of searches among API testing tools worldwide moved from 18.3% to 11.6%, and its estimated monthly branded searches moved from 49.6K to 27.2K.

How did search popularity change for API testing tools worldwide in September 2026?

2 changes
  1. In September 2026, SoapUI lost share of searches among API testing tools worldwide, from 12.4% to 11.6%.

  2. In September 2026, Karate rose from 9th to 8th among API testing tools worldwide.

How are branded searches counted?

7 search terms

Brandwave collects information about searches that people make online using Karate’s and SoapUI’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Karate

3 branded search terms

  • karate api testing
  • karate framework
  • karate labs

SoapUI

4 branded search terms

  • api testing soapui
  • soapui
  • soapui app
  • soapui software

How the Brand Demand Index is measured

Other head-to-heads among API testing tools

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