Brandwave

Google Cloud Pub/Sub vs Google Pub/Sub:Which is more popular?

In September 2026, Google Cloud Pub/Sub had more branded searches than Google Pub/Sub among message queue services worldwide. Google Cloud Pub/Sub had about 8,700 branded searches, while Google Pub/Sub had 2,400. Google Cloud Pub/Sub made up 6.9% of all message queue service searches we track, and Google Pub/Sub accounted for 1.9%. When we asked ChatGPT and Google AI Overviews about message queue services, Google Cloud Pub/Sub appeared in four of the five answers and Google Pub/Sub in none.

Among message queue services worldwide in September 2026

Who do people search for more?

Google Cloud Pub/Sub, about 4 searches for every 1 for Google Pub/Sub

Google Cloud Pub/Sub 8.7K searchesGoogle Pub/Sub 2.4K searches

Who does AI mention more?

Google Cloud Pub/Sub, mentioned in 4 of 5 answers, Google Pub/Sub in 0

Google Cloud Pub/Sub in 4 of 5Google Pub/Sub in 0 of 5

Who does AI recommend more?

Google Cloud Pub/Sub, the only one of the two named

Google Cloud Pub/Sub first in 4Google Pub/Sub never named

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Top message queue services in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Google Cloud Pub/Sub was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Google Pub/Sub did not appear in any of the five answers.

Most recommended by AI

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

  1. RabbitMQ1st
  2. Amazon SQS2nd
  3. Kafka3rd
  4. Azure Service Bus4th
  5. Google Cloud Pub/Sub5th
  6. NATS6th
  7. ActiveMQ–
  8. ZeroMQ–
  9. Redis Streams–
  10. Google Pub/Sub–

Mentioned by AI

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

  • RabbitMQ5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Kafka5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Azure Service Bus4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Google Cloud Pub/Sub4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Amazon SQS4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • NATS3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • ActiveMQ0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • ZeroMQ0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Redis Streams0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Google Pub/Sub0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about message queue services

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.

Is Google Cloud Pub/Sub or Google Pub/Sub more popular in search?

This chart shows how often people search Google for Google Cloud Pub/Sub and Google Pub/Sub by name. Each line represents a brand's share of searches for all ten message queue services we track, month by month, from English-language searches worldwide.

Google Cloud Pub/Sub and Google Pub/Sub among message queue services worldwide, by month

Share of searches by month for Google Cloud Pub/Sub, Google Pub/Sub. The figures are in the table below the chart.

View monthly share of searches table
MonthRabbitMQAzure Service BusGoogle Cloud Pub/SubActiveMQAmazon SQSZeroMQRedis StreamsGoogle Pub/SubKafkaNATS
Oct 202562.3%6.8%5%6.8%5.6%6.8%3.7%2%0.46%0.41%
Nov 202559.6%6.6%6.1%6.6%5.4%8%4.4%2.4%0.54%0.48%
Dec 202563.3%5.7%7%5.7%4.7%7%3.8%2.1%0.51%0.41%
Jan 202661.2%6.7%5.3%5.5%5.5%8.2%4.5%2%0.56%0.4%
Feb 202662%6.8%6.4%5.6%5.6%6.8%3.7%2%0.56%0.41%
Mar 202657.8%6.4%8.8%6.4%5.2%7.8%4.3%2.3%0.68%0.46%
Apr 202653.1%7.1%9.3%10.6%5.8%7.1%3.9%2.1%0.59%0.42%
May 202657.9%6.3%8.3%6.3%6.3%7.7%4.2%1.9%0.56%0.46%
Jun 202660.2%8%6.8%6.6%5.4%6.6%3.6%1.9%0.48%0.48%
Jul 202661.4%6.7%6.2%6.7%5.5%6.7%3.7%2%0.6%0.49%
Aug 202658.7%7.9%6.7%6.4%6.4%6.4%4.3%1.9%0.7%0.57%
Sep 202658.6%7.8%6.9%6.4%6.4%6.4%4.3%1.9%0.7%0.57%

How has the Google Cloud Pub/Sub and Google Pub/Sub comparison changed over the last 12 months?

3 findings

How did search popularity change for message queue services worldwide in September 2026?

2 changes

  1. Estimated monthly branded searches for Google Pub/Sub worldwide fell 45.5% over 12 measured months, from 4.4K to 2.4K in September 2026.

  2. Estimated monthly branded searches for Google Cloud Pub/Sub worldwide fell 20.2% over 12 measured months, from 10.9K to 8.7K in September 2026.

How are branded searches counted?

4 search terms

Brandwave collects information about searches that people make online using Google Cloud Pub/Sub’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.

Google Cloud Pub/Sub

3 branded search terms

  • gcp pub sub
  • google cloud pub sub
  • google pub sub

Google Pub/Sub

1 branded search term

  • googlepubsub

How the Brand Demand Index is measured

Other head-to-heads among message queue services

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