Apache Flink vs Azure Event Hubs:Which is more popular?
In September 2026, Apache Flink had more branded searches than Azure Event Hubs among event streaming platforms worldwide. Apache Flink had about 18,100 branded searches, while Azure Event Hubs had 1,300. Apache Flink made up 21.1% of all event streaming platform searches we track, and Azure Event Hubs accounted for 1.5%. When we asked ChatGPT and Google AI Overviews about event streaming platforms, Apache Flink appeared in four of the five answers and Azure Event Hubs in two. Apache Flink and Azure Event Hubs were each mentioned first in two of the four answers that named either.
Who do people search for more?
Apache Flink, about 14 searches for every 1 for Azure Event Hubs
Who does AI mention more?
Apache Flink, mentioned in 4 of 5 answers, Azure Event Hubs in 2
Who does AI recommend more?
Each is named first in 2 of 4 answers.
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Top event streaming platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Apache Flink was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. Azure Event Hubs was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Apache Flink and Azure Event Hubs were each listed first in two of the four answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Apache Kafka5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Amazon Kinesis5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Apache Flink4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Redpanda4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Confluent4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Apache Pulsar3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Google Pub/Sub3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Azure Event Hubs2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
See every answer about event streaming platforms
5 answers
Asked ChatGPT
“Which event streaming platform should I use?”
Asked ChatGPT
“What are the best event streaming platforms?”
Asked ChatGPT
“What's the best event streaming platform for live event data?”
Searched Google, AI Overview
“event streaming platforms”
Searched Google, AI Overview
“real time event streaming”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Apache Flink or Azure Event Hubs more popular in search?
This chart shows how often people search Google for Apache Flink and Azure Event Hubs by name. Each line represents a brand's share of searches for all eight event streaming platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for Apache Flink, Azure Event Hubs. The figures are in the table below the chart.
View monthly share of searches table
| Month | Apache Kafka | Apache Flink | Amazon Kinesis | Apache Pulsar | Google Pub/Sub | Azure Event Hubs | Redpanda | Confluent |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 50.3% | 22.5% | 13.7% | 6.7% | 3.7% | 2% | 0.83% | 0.27% |
| Nov 2025 | 54.6% | 20% | 12.2% | 6% | 4% | 2.2% | 0.9% | 0.19% |
| Dec 2025 | 54.2% | 19.8% | 12.1% | 5.9% | 3.9% | 2.6% | 0.96% | 0.41% |
| Jan 2026 | 50% | 22.4% | 13.6% | 6.7% | 3.6% | 2.4% | 1% | 0.26% |
| Feb 2026 | 51.9% | 23.3% | 11.5% | 5.7% | 3.8% | 2.5% | 1% | 0.24% |
| Mar 2026 | 54.4% | 20% | 12.1% | 5.9% | 4% | 2.2% | 1.2% | 0.27% |
| Apr 2026 | 54.5% | 19.9% | 12.1% | 5.9% | 4% | 2.1% | 1.1% | 0.34% |
| May 2026 | 56.1% | 20.5% | 11.6% | 5% | 3.3% | 2.2% | 1.1% | 0.26% |
| Jun 2026 | 51.2% | 22.9% | 12.9% | 5.6% | 3.7% | 2.4% | 1.3% | 0.21% |
| Jul 2026 | 53.2% | 19.4% | 14.2% | 5.8% | 3.8% | 2.1% | 1.3% | 0.18% |
| Aug 2026 | 54.6% | 20% | 12.1% | 5.9% | 3.2% | 2.2% | 1.8% | 0.22% |
| Sep 2026 | 57.6% | 21.1% | 10.5% | 5.1% | 2.8% | 1.5% | 1.2% | 0.27% |
How has the Apache Flink and Azure Event Hubs comparison changed over the last 12 months?
3 findings
- Apache Flink was ahead of Azure Event Hubs in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Apache Flink’s share of searches among event streaming platforms worldwide moved from 22.5% to 21.1%, and its estimated monthly branded searches moved from 27.1K to 18.1K.
- Across the 12 months ending September 2026, Azure Event Hubs’ share of searches among event streaming platforms worldwide moved from 2% to 1.5%, and its estimated monthly branded searches moved from 2.4K to 1.3K.
How did search popularity change for event streaming platforms worldwide in September 2026?
2 changes
In September 2026, Apache Flink gained share of searches among event streaming platforms worldwide, from 20% to 21.1%.
In September 2026, Azure Event Hubs lost share of searches among event streaming platforms worldwide, from 2.2% to 1.5%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Apache Flink’s and Azure Event Hubs’ 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 Flink
1 branded search term
- apache flink
Azure Event Hubs
1 branded search term
- azure event hubs
Other head-to-heads among event streaming platforms
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