Five of twelve models named Confluent Cloud first on the direct prompt; zero named Apache Kafka. Both were named by all twelve models and Confluent Cloud carries 50 labels and Apache Kafka 51, so the shares are not directly comparable.
Named in two categories this edition.
Named in two categories this edition.
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the streaming platforms page.
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Vendor self-managed (Confluent Platform) adds enterprise features but licenses run roughly $50K–$500K+/year plus per-environment fees.” DeepSeek V4 Flash · scale prompt · soft negative
“Be Cautious: Confluent Cloud (or other managed Kafka platforms with aggressive upsells)” DeepSeek V4 Flash · negative prompt · soft negative
“Unlike the complex consumption-based pricing of Confluent” Gemini 3.5 Flash · direct prompt · soft negative
“1. Confluent Cloud: A fully managed Apache Kafka service that provides a serverless Kafka engine, automatic scaling, and cost-efficient clusters.” Llama 4 Maverick · paraphrase prompt · first choice
“starting with a fully managed SaaS version of a major stack (like AWS MSK or Confluent) to lower the barrier to entry” Qwen 3.7 Flash · scale prompt · first choice
“the safer options are typically Amazon MSK, Aiven for Apache Kafka, Confluent Cloud, or self-managed Apache Kafka” Perplexity Sonar · negative prompt · first choice
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“Deprecated, being removed ... Kafka 4.0 (2025) removed ZooKeeper entirely.” Kimi K2 · negative prompt · hard negative
“While it's a popular and widely-used platform, it may not be suitable for small static websites or low-traffic applications.” Llama 4 Maverick · negative prompt · soft negative
“misconfigurations around idempotence, in-flight requests, and acknowledgments can cause ordering or delivery issues” GPT-5.4 mini · negative prompt · soft negative
“Kafka is the dominant default — it's been in production at massive scale for over a decade, has the largest ecosystem of connectors and tools” DeepSeek V4 Flash · comparative prompt · first choice
“Apache Kafka - Open-source and free... highly scalable and widely used, making it ideal if you have technical expertise in-house.” Claude Haiku 4.5 · budget prompt · first choice
“Choose Confluent / Kafka if you are an enterprise building a broad, mission-critical real-time data architecture” Gemini 3.5 Flash · comparative prompt · first choice
Comparisons are drawn for the top three products in each category. The output is the models' output; nothing here is a recommendation by the index.