Brandwave

How popular isk6?

In September 2026, people searched for k6 by name about 87,500 times worldwide, a 22.4% increase from the previous year. These searches made up 59.1% of all global API development tool searches, placing k6 first out of eight tools. When we asked both ChatGPT and Google AI Overviews about API development tools, k6 appeared in two of the five answers and was the seventh most recommended of the eight.

Search and AI answers in September 2026

k6 is the most searched of 8 competitors and the seventh most recommended in AI answers.

  1. k6Share of searches 59.1%Mentioned in 2 of 5 AI answersPlace in AI recommendations 7th
  2. SoapUIShare of searches 18.3%Mentioned in 2 of 5 AI answersPlace in AI recommendations 8th
  3. PostmanShare of searches 11.8%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  4. SwaggerShare of searches 10.3%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th
  5. HoppscotchShare of searches 0.26%Mentioned in 2 of 5 AI answersPlace in AI recommendations 6th

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Top API development tools in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, k6 was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. k6 is the seventh most recommended of the eight.

Most recommended by AI

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

  1. Postman1st
  2. Insomnia2nd
  3. Bruno3rd
  4. Swagger4th
  5. Stoplight5th
  6. Hoppscotch6th
  7. k67th
  8. SoapUI8th

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
  • Insomnia5 of 5Named in 3 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
  • Swagger3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • k62 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • SoapUI2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Hoppscotch2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Stoplight2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers

See every answer about API development 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.

Which API development tools compete with k6?

k6 against API development tools worldwide, by month

Share of searches by month for k6, SoapUI, Postman, Swagger. The figures are in the table below the chart.

View monthly share of searches table
Monthk6SoapUIPostmanSwaggerHoppscotchStoplightBrunoInsomnia
Oct 202541.5%28.7%16%13.2%0.23%0.28%0.02%0.01%
Nov 202545.7%25.9%15%12.9%0.2%0.25%0.02%0.01%
Dec 202545%25.4%14.8%14.3%0.25%0.25%0.02%0.02%
Jan 202649.3%22.8%13.9%13.4%0.27%0.27%0.03%<0.01%
Feb 202648.2%22.3%15.8%13%0.26%0.26%0.03%0.02%
Mar 202645.2%25.3%14.7%14.2%0.37%0.24%0.02%0.02%
Apr 202648.2%22.3%15.8%13%0.32%0.22%0.02%0.01%
May 202650.2%23.2%13.5%12.6%0.34%0.18%0.03%<0.01%
Jun 202650.2%22.9%14%12.4%0.27%0.18%0.03%<0.01%
Jul 202652.4%19.6%14.6%13%0.28%0.19%0.02%<0.01%
Aug 202653.6%20%14.2%11.8%0.29%0.16%0.03%<0.01%
Sep 202659.1%18.3%11.8%10.3%0.26%0.14%0.02%<0.01%

  1. 1.k6

    59.1%

    Held 1st. 87.5K estimated branded searches, +20.7% vs prior month. Share +5.6 points.

  2. 2.SoapUI

    18.3%

    Held 2nd. 27.1K estimated branded searches, 0% vs prior month. Share -1.7 points.

  3. 3.Postman

    11.8%

    Held 3rd. 17.5K estimated branded searches, -8.9% vs prior month. Share -2.4 points.

  4. 4.Swagger

    10.3%

    Held 4th. 15.2K estimated branded searches, -4.4% vs prior month. Share -1.5 points.

  5. 5.Hoppscotch

    0.26%

    Held 5th. 390 estimated branded searches, 0% vs prior month. Share 0 points.

  6. 6.Stoplight

    0.14%

    Held 6th. 210 estimated branded searches, 0% vs prior month. Share 0 points.

  7. 7.Bruno

    0.02%

    Held 7th. 30 estimated branded searches, -25% vs prior month. Share 0 points.

  8. 8.Insomnia

    <0.01%

    Held 8th. 10 estimated branded searches, 0% vs prior month. Share 0 points.

Compare popularity between k6 and its closest rivals

Every comparison with k6

16 comparisons

How has branded search demand for k6 changed worldwide over the last 12 months?

2 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for k6 worldwide rose from 71.5K to 87.5K.
  • Across the 12 months ending September 2026, k6’s share of searches among API development tools worldwide increased from 41.5% to 59.1%.

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

6 changes

  1. In September 2026, k6 gained share of searches among API development tools worldwide, from 53.6% to 59.1%.

  2. In September 2026, Postman lost share of searches among API development tools worldwide, from 14.2% to 11.8%.

  3. In September 2026, SoapUI lost share of searches among API development tools worldwide, from 20% to 18.3%.

  4. In September 2026, Swagger lost share of searches among API development tools worldwide, from 11.8% to 10.3%.

  5. Estimated monthly branded searches for Stoplight worldwide fell 56.3% over 12 measured months, from 480 to 210 in September 2026.

  6. Estimated monthly branded searches for Insomnia worldwide fell 50% over 12 measured months, from 20 to 10 in September 2026.

How are k6’s branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using k6’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • grafana k6
  • k6
  • k6 load testing

Do you work for k6? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

Where does k6 compete?

k6 is ranked in three competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of searchesRanking
API testing tools1st of 937.5%Show ranking
API development tools1st of 859.1%Shown above
Load testing tools4th of 75.8%Show ranking
Creator with pink hair and a pink jacket

Is k6 your brand?

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