Five of twelve models named Confluent Cloud first on the direct prompt; four named Redpanda. Confluent Cloud was named by twelve of the twelve models and Redpanda by eleven and Confluent Cloud carries 50 labels and Redpanda 57, so the shares are not directly comparable.
Named in two categories this edition.
Named in one category 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 eight in this category shown.
“it is not Apache Kafka internally, so compatibility and operational behavior should be tested against real workloads before committing” Perplexity Sonar · negative prompt · soft negative
“Redpanda: good Kafka compatibility, but it is not a perfect drop-in replacement. Some Kafka features are unsupported” GPT-5.4 mini · negative prompt · soft negative
“it may have a newer ecosystem compared to Confluent and AWS-native services” Llama 4 Maverick · negative prompt · soft negative
“"I have zero DevOps resources and want to pay pennies to start." | Redpanda Serverless | True serverless, scales to zero” Gemini 3.5 Flash · budget prompt · first choice
“Redpanda (a modern, C++ based, Kafka-compatible binary that is much easier to run self-hosted)” Gemini 3.5 Flash · negative prompt · first choice
“Redpanda or Confluent are typically the best starting points for mid-market B2B companies.” MiniMax M2.5 · direct 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.