--- title: "Apache Pulsar vs Google Pub/Sub: Which is searched more?" description: "Is Apache Pulsar or Google Pub/Sub more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Event streaming platforms 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/apache-pulsar-vs-google-pub-sub" publisher: "Brandwave" --- # Apache Pulsar vs Google Pub/Sub: Which is searched more? Is Apache Pulsar or Google Pub/Sub more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Event streaming platforms 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**: Apache Pulsar and Google Pub/Sub - **Competitive set**: Event streaming platforms - **Market**: Global - **Month measured**: Sep 2026 - **Apache Pulsar Share of Search**: 4.6% - **Google Pub/Sub Share of Search**: 11.7% ## Is Apache Pulsar or Google Pub/Sub more popular in search? - In September 2026, Google Pub/Sub had more branded searches than Apache Pulsar among event streaming platforms worldwide. Google Pub/Sub had about 11,100 branded searches, while Apache Pulsar had 4,400. Google Pub/Sub made up 11.7% of all event streaming platform searches we track, and Apache Pulsar accounted for 4.6%. - Google Pub/Sub was ahead of Apache Pulsar in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Apache Pulsar’s share of searches among event streaming platforms worldwide moved from 6.2% to 4.6%, and its estimated monthly branded searches moved from 8.1K to 4.4K. - Across the 12 months ending September 2026, Google Pub/Sub’s share of searches among event streaming platforms worldwide held steady at 11.7%, and its estimated monthly branded searches moved from 15.3K to 11.1K. ## Top event streaming platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Apache Pulsar and Google Pub/Sub were each mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Apache Pulsar was listed before Google Pub/Sub in three out of five answers. 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 | | --- | --- | --- | --- | --- | | Apache Kafka | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Confluent | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | Amazon Kinesis | 3rd | 3 of 3 | 2 of 2 | 5 of 5 | | Redpanda | 4th | 3 of 3 | 1 of 2 | 4 of 5 | | Apache Pulsar | 5th | 2 of 3 | 1 of 2 | 3 of 5 | | Apache Flink | 6th | 2 of 3 | 2 of 2 | 4 of 5 | | Google Pub/Sub | 7th | 2 of 3 | 1 of 2 | 3 of 5 | | Azure Event Hubs | 8th | 1 of 3 | 1 of 2 | 2 of 5 | ## Every AI answer about event streaming platforms - Asked ChatGPT "Which event streaming platform should I use?": 1. Apache Kafka, 2. Confluent, 3. Amazon Kinesis, 4. Redpanda, 5. Apache Pulsar - Asked ChatGPT "What are the best event streaming platforms?": 1. Apache Kafka, 2. Confluent, 3. Amazon Kinesis, 4. Redpanda, 5. Apache Pulsar, 6. Azure Event Hubs, 7. Google Pub/Sub, 8. Apache Flink - Asked ChatGPT "What's the best event streaming platform for live event data?": 1. Confluent, 2. Apache Kafka, 3. Redpanda, 4. Apache Flink, 5. Amazon Kinesis, 6. Google Pub/Sub - Searched Google, AI Overview "event streaming platforms": 1. Apache Kafka, 2. Confluent, 3. Redpanda, 4. Apache Pulsar, 5. Amazon Kinesis, 6. Azure Event Hubs, 7. Apache Flink - Searched Google, AI Overview "real time event streaming": 1. Apache Kafka, 2. Amazon Kinesis, 3. Google Pub/Sub, 4. Apache Flink 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 event streaming platforms worldwide in September 2026? - In September 2026, Google Pub/Sub lost share of searches among event streaming platforms worldwide, from 13.1% to 11.7%. - In September 2026, Apache Pulsar lost share of searches among event streaming platforms worldwide, from 5.3% to 4.6%. ## Month by month | Month | Apache Pulsar estimated searches | Apache Pulsar Share of Search | Apache Pulsar rank | Google Pub/Sub estimated searches | Google Pub/Sub Share of Search | Google Pub/Sub rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 8.1K | 6.2% | 5 | 15.3K | 11.7% | 4 | | Nov 2025 | 6.6K | 5.4% | 5 | 15.6K | 12.8% | 3 | | Dec 2025 | 5.4K | 5.2% | 5 | 15.7K | 15.2% | 3 | | Jan 2026 | 6.6K | 6.1% | 5 | 13.2K | 12.1% | 4 | | Feb 2026 | 5.4K | 5.1% | 5 | 15K | 14.1% | 3 | | Mar 2026 | 6.6K | 5.2% | 5 | 21.1K | 16.5% | 3 | | Apr 2026 | 5.4K | 5.1% | 5 | 19.5K | 18.3% | 2 | | May 2026 | 4.4K | 4.4% | 5 | 15.8K | 15.6% | 3 | | Jun 2026 | 4.4K | 4.9% | 5 | 13.1K | 14.7% | 3 | | Jul 2026 | 4.4K | 5.2% | 5 | 12.1K | 14.2% | 3 | | Aug 2026 | 4.4K | 5.3% | 5 | 10.8K | 13.1% | 3 | | Sep 2026 | 4.4K | 4.6% | 5 | 11.1K | 11.7% | 3 | ## How each brand is measured Brandwave collects information about searches that people make online using Apache Pulsar’s and Google Pub/Sub’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. - **Apache Pulsar**: Measured on the search term “apache pulsar”. - **Google Pub/Sub**: Measured on the search terms “gcp pub sub”, “google cloud pub sub”, “google pub sub” and “googlepubsub”, summed into one figure. - [Apache Pulsar profile](/demand/global-en/brands/apache-pulsar) - [Google Pub/Sub profile](/demand/global-en/brands/google-pub-sub) - [All event streaming platforms worldwide](/demand/global-en/categories/event-streaming-platforms): 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 Apache Pulsar or Google Pub/Sub more popular in search? In September 2026, Google Pub/Sub had more branded searches than Apache Pulsar among event streaming platforms worldwide. Google Pub/Sub had about 11,100 branded searches, while Apache Pulsar had 4,400. Google Pub/Sub made up 11.7% of all event streaming platform searches we track, and Apache Pulsar accounted for 4.6%. ## Cite this page Brandwave. "Apache Pulsar vs Google Pub/Sub: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/apache-pulsar-vs-google-pub-sub This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/apache-pulsar-vs-google-pub-sub. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.