--- title: "k6 vs Swagger: Which is searched more?" description: "Is k6 or Swagger more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the API development tools set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/global-en/compare/k6-vs-swagger" publisher: "Brandwave" --- # k6 vs Swagger: Which is searched more? Is k6 or Swagger more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the API development tools set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Compared**: k6 and Swagger - **Competitive set**: API development tools - **Market**: Global - **Month measured**: Sep 2026 - **k6 Share of Search**: 59.1% - **Swagger Share of Search**: 10.3% ## Is k6 or Swagger more popular in search? - In September 2026, k6 had more branded searches than Swagger among API development tools worldwide. k6 had about 87,500 branded searches, while Swagger had 15,200. k6 made up 59.1% of all API development tool searches we track, and Swagger accounted for 10.3%. - k6 was ahead of Swagger in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, k6’s share of searches among API development tools worldwide moved from 41.5% to 59.1%, and its estimated monthly branded searches moved from 71.5K to 87.5K. - Across the 12 months ending September 2026, Swagger’s share of searches among API development tools worldwide moved from 13.2% to 10.3%, and its estimated monthly branded searches moved from 22.8K to 15.2K. ## Top API development tools in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Swagger was mentioned in three out of five: in two of the three ChatGPT answers and in one of the 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. Swagger was listed before k6 in three out of four answers that named either. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Postman | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Insomnia | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Bruno | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | Swagger | 4th | 2 of 3 | 1 of 2 | 3 of 5 | | Stoplight | 5th | 1 of 3 | 1 of 2 | 2 of 5 | | Hoppscotch | 6th | 1 of 3 | 1 of 2 | 2 of 5 | | k6 | 7th | 2 of 3 | 0 of 2 | 2 of 5 | | SoapUI | 8th | 1 of 3 | 1 of 2 | 2 of 5 | ## Every AI answer about API development tools - Asked ChatGPT "Which API development tool should I use?": 1. Postman, 2. Bruno, 3. Insomnia, 4. Swagger - Asked ChatGPT "What are the best API development tools?": 1. Postman, 2. Bruno, 3. Swagger, 4. Insomnia, 5. Hoppscotch, 6. Stoplight, 7. k6, 8. SoapUI - Asked ChatGPT "What's the best API development tool for testing APIs?": 1. Postman, 2. Bruno, 3. Insomnia, 4. k6 - Searched Google, AI Overview "api development tools": 1. Postman, 2. Insomnia, 3. Swagger, 4. Stoplight, 5. SoapUI - Searched Google, AI Overview "rest api tool": 1. Postman, 2. Insomnia, 3. Bruno, 4. Hoppscotch Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How did search popularity change for API development tools worldwide in September 2026? - In September 2026, k6 gained share of searches among API development tools worldwide, from 53.6% to 59.1%. - In September 2026, Swagger lost share of searches among API development tools worldwide, from 11.8% to 10.3%. ## Month by month | Month | k6 estimated searches | k6 Share of Search | k6 rank | Swagger estimated searches | Swagger Share of Search | Swagger rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 71.5K | 41.5% | 1 | 22.8K | 13.2% | 4 | | Nov 2025 | 71.5K | 45.7% | 1 | 20.1K | 12.9% | 4 | | Dec 2025 | 58.5K | 45% | 1 | 18.6K | 14.3% | 4 | | Jan 2026 | 71.5K | 49.3% | 1 | 19.4K | 13.4% | 4 | | Feb 2026 | 71.5K | 48.2% | 1 | 19.3K | 13% | 4 | | Mar 2026 | 72.5K | 45.2% | 1 | 22.8K | 14.2% | 4 | | Apr 2026 | 71.5K | 48.2% | 1 | 19.3K | 13% | 4 | | May 2026 | 71.5K | 50.2% | 1 | 17.9K | 12.6% | 4 | | Jun 2026 | 72.5K | 50.2% | 1 | 17.9K | 12.4% | 4 | | Jul 2026 | 72.5K | 52.4% | 1 | 17.9K | 13% | 4 | | Aug 2026 | 72.5K | 53.6% | 1 | 15.9K | 11.8% | 4 | | Sep 2026 | 87.5K | 59.1% | 1 | 15.2K | 10.3% | 4 | ## How each brand is measured Brandwave collects information about searches that people make online using k6’s and Swagger’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. - **k6**: Measured on the search terms “grafana k6”, “k6” and “k6 load testing”, summed into one figure. - **Swagger**: Measured on the search terms “swagger api”, “swagger api documentation”, “swagger development” and “swagger documentation”, summed into one figure. - [k6 profile](/demand/global-en/brands/k6) - [Swagger profile](/demand/global-en/brands/swagger) - [All API development tools worldwide](/demand/global-en/categories/api-development-tools): The set both shares are measured inside, 8 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is k6 or Swagger more popular in search? In September 2026, k6 had more branded searches than Swagger among API development tools worldwide. k6 had about 87,500 branded searches, while Swagger had 15,200. k6 made up 59.1% of all API development tool searches we track, and Swagger accounted for 10.3%. ## Cite this page Brandwave. "k6 vs Swagger: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/k6-vs-swagger This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/k6-vs-swagger. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.