# Streaming platforms for enterprise buyers: what AI models recommend, September 2026

Gane Index, September 2026 Edition. Asked as "event streaming platform" and as "managed Kafka or streaming service", six framings each, to twelve models with search on, on behalf of an enterprise B2B company. Page: https://www.gane.ai/index/it/it-data/streaming-platforms/2026-09/enterprise

This is the permanent record of the September 2026 Edition, published September 17, 2026 and superseded since. The current standing: https://www.gane.ai/index/it/it-data/streaming-platforms/enterprise/index.md

**Standing:** Confluent Cloud leads with 60% of first choices; verdict clear leader. 42 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Confluent Cloud](https://www.gane.ai/index/it/vendors/confluent-cloud/index.md) | 60% | 12% | 59 |
| 2 | [Apache Kafka](https://www.gane.ai/index/it/vendors/apache-kafka/index.md) | 14% | 18% | 44 |
| 3 | [Redpanda](https://www.gane.ai/index/it/vendors/redpanda/index.md) | 10% | 16% | 44 |
| 4 | [Amazon MSK](https://www.gane.ai/index/it/vendors/amazon-msk/index.md) | 5% | 6% | 34 |
| 5 | [Azure Event Hubs](https://www.gane.ai/index/it/vendors/azure-event-hubs/index.md) | 2% | 19% | 36 |
| 6 | [Amazon Kinesis Data Streams](https://www.gane.ai/index/it/vendors/amazon-kinesis-data-streams/index.md) | 2% | 35% | 40 |
| 7 | [Apache Pulsar](https://www.gane.ai/index/it/vendors/apache-pulsar/index.md) | 2% | 35% | 31 |
| 10 | [Aiven for Apache Kafka](https://www.gane.ai/index/it/vendors/aiven-for-apache-kafka/index.md) | 0% | 0% | 10 |
| 11 | [Google Cloud Pub/Sub](https://www.gane.ai/index/it/vendors/google-cloud-pub-sub/index.md) | 0% | 30% | 30 |
| 42 | [NATS JetStream](https://www.gane.ai/index/it/vendors/nats-jetstream/index.md) | 0% | 50% | 10 |

Rank is by share of first choices among all 44 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: Apache Kafka, Bizzabo; alternatives Amazon Kinesis Data Streams, Apache Pulsar, Goldcast, ON24
- GPT-5.4 mini: Apache Kafka; alternatives Amazon Kinesis Data Streams, Confluent Cloud
- Gemini 3.5 Flash: Confluent Cloud; alternatives Apache Pulsar, Redpanda, Solace PubSub+
- Perplexity Sonar: Confluent Cloud; alternatives Amazon Kinesis Data Streams, Amazon MSK, Apache Flink, Apache Kafka
- Grok 4.20: Apache Kafka, Confluent Cloud; alternatives Amazon Kinesis Data Streams, Amazon MSK, Redpanda
- Mistral Small: Confluent Cloud; alternatives Apache Kafka, Apache Pulsar
- DeepSeek V4 Flash: Confluent Cloud; alternatives Amazon Kinesis Data Streams, Amazon MSK, Azure Event Hubs, Google Cloud Pub/Sub
- Llama 4 Maverick: Axual
- Qwen 3.7 Flash: Confluent Cloud; alternatives Amazon Kinesis Data Streams, Amazon MSK, Apache Kafka, Azure Event Hubs
- Kimi K2: Confluent Cloud; alternatives Amazon Kinesis Data Streams, Apache Kafka, Redpanda
- GLM 4.7 FlashX: Confluent Cloud; alternatives Amazon Kinesis Data Streams, Apache Kafka, Apache Pulsar, IBM Event Streams
- MiniMax M2.5: Confluent Cloud; alternatives Amazon Kinesis Data Streams, Apache Kafka

## Sources the answers cite

67 of 72 answers came back with a source list, from 12 of 12 models. Sites named in the most answers:

- confluent.io: 39 answers, 88 citations
- guideflow.com: 32 answers, 35 citations
- automq.com: 30 answers, 48 citations
- devopsschool.com: 28 answers, 35 citations
- gartner.com: 27 answers, 37 citations
- redpanda.com: 20 answers, 30 citations
- risingwave.com: 20 answers, 22 citations
- estuary.dev: 16 answers, 20 citations

Pages named in the most answers:

- https://guideflow.com/blog/event-streaming-software (31 answers)
- https://gartner.com/reviews/market/event-stream-processing (27 answers)
- https://devopsschool.com/blog/top-10-event-streaming-platforms-features-pros-cons-comparison (25 answers)
- https://automq.com/blog/top-10-event-streaming-platforms-confluent-msk-redpanda-alternatives (14 answers)
- https://gravitee.io/blog/best-event-streaming-solutions (13 answers)
- https://owebest.com/blog/enterprise-streaming-platforms (12 answers)
- https://airbyte.com/data-engineering-resources/best-data-streaming-platforms (11 answers)
- https://estuary.dev/blog/kafka-alternatives (11 answers)
- https://risingwave.com/blog/best-event-stream-processing-platforms-2026 (11 answers)
- https://amirulislamalmamun.com/practice/data-engineering/concepts/077-streaming-platforms (9 answers)

## Warned against

- Amazon Kinesis Data Streams: 14 of 40 labels negative. "AWS Kinesis has strict throughput limits per shard... can become astronomically expensive at massive, sustained enterprise scale." (Gemini 3.5 Flash, negative prompt)
- Apache Pulsar: 11 of 31 labels negative. "Avoid self-managed Pulsar unless you have a dedicated streaming infrastructure team with prior Pulsar experience." (DeepSeek V4 Flash, negative prompt)
- RabbitMQ: 7 of 8 labels negative. "trying to stretch traditional brokers to handle massive event sourcing... will overwhelm their memory models, cause severe performance degradation" (Gemini 3.5 Flash, negative prompt)
- Confluent Cloud: 7 of 59 labels negative. "Why you should avoid other popular options ... can result in "bill shock" for large companies with variable traffic." (GLM 4.7 FlashX, budget prompt)

## Record

- Method: https://www.gane.ai/index/it/methodology
- License: CC BY 4.0. Cite as Gane Index, September 2026 Edition, www.gane.ai/index/it.