--- title: "k6 vs Stoplight: Which is searched more?" description: "Is k6 or Stoplight 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-stoplight" publisher: "Brandwave" --- # k6 vs Stoplight: Which is searched more? Is k6 or Stoplight 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 Stoplight - **Competitive set**: API development tools - **Market**: Global - **Month measured**: Sep 2026 - **k6 Share of Search**: 59.1% - **Stoplight Share of Search**: 0.14% ## Is k6 or Stoplight more popular in search? - In September 2026, k6 had more branded searches than Stoplight among API development tools worldwide. k6 had about 87,500 branded searches, while Stoplight had 210. k6 made up 59.1% of all API development tool searches we track, and Stoplight accounted for 0.14%. - k6 was ahead of Stoplight 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, Stoplight’s share of searches among API development tools worldwide moved from 0.28% to 0.14%, and its estimated monthly branded searches moved from 480 to 210. ## 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. Stoplight was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Stoplight was listed before k6 in two out of three 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%. - Estimated monthly branded searches for Stoplight worldwide fell 56.3% over 12 measured months, from 480 to 210 in September 2026. ## Month by month | Month | k6 estimated searches | k6 Share of Search | k6 rank | Stoplight estimated searches | Stoplight Share of Search | Stoplight rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 71.5K | 41.5% | 1 | 480 | 0.28% | 5 | | Nov 2025 | 71.5K | 45.7% | 1 | 390 | 0.25% | 5 | | Dec 2025 | 58.5K | 45% | 1 | 320 | 0.25% | 6 | | Jan 2026 | 71.5K | 49.3% | 1 | 390 | 0.27% | 6 | | Feb 2026 | 71.5K | 48.2% | 1 | 390 | 0.26% | 6 | | Mar 2026 | 72.5K | 45.2% | 1 | 390 | 0.24% | 6 | | Apr 2026 | 71.5K | 48.2% | 1 | 320 | 0.22% | 6 | | May 2026 | 71.5K | 50.2% | 1 | 260 | 0.18% | 6 | | Jun 2026 | 72.5K | 50.2% | 1 | 260 | 0.18% | 6 | | Jul 2026 | 72.5K | 52.4% | 1 | 260 | 0.19% | 6 | | Aug 2026 | 72.5K | 53.6% | 1 | 210 | 0.16% | 6 | | Sep 2026 | 87.5K | 59.1% | 1 | 210 | 0.14% | 6 | ## How each brand is measured Brandwave collects information about searches that people make online using k6’s and Stoplight’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. - **Stoplight**: Measured on the search term “stoplight api”. - [k6 profile](/demand/global-en/brands/k6) - [Stoplight profile](/demand/global-en/brands/stoplight) - [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 Stoplight more popular in search? In September 2026, k6 had more branded searches than Stoplight among API development tools worldwide. k6 had about 87,500 branded searches, while Stoplight had 210. k6 made up 59.1% of all API development tool searches we track, and Stoplight accounted for 0.14%. ## Cite this page Brandwave. "k6 vs Stoplight: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/k6-vs-stoplight This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/k6-vs-stoplight. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.