MongoDB vs Redis
Fourteen of fourteen models named MongoDB first on the direct prompt; zero named Redis. Both were named by all fourteen models and MongoDB carries 82 labels and Redis 55, so the shares are not directly comparable.
Named in four categories this edition.
Named in four categories this edition.
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen 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 nosql databases page.
By framing
MongoDBFirst choices, of fourteen modelsRedis
Across every category in the October 2026 Edition, MongoDB and Redis were named in the same answer 143 times, of the 236 answers naming MongoDB and the 166 naming Redis. In those answers Redis took the first choice one time and MongoDB seventy-nine.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | | | ||
| GPT-5.4 mini | | | | | ||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | | ||
| Grok 4.1 Fast | | | | | | |
| Mistral Small | | | | | | |
| DeepSeek V4 Flash | | | | | | |
| Llama 4 Maverick | | | ||||
| Qwen 3.7 Flash | | | | | | |
| Kimi K2 | | | | | | |
| GLM 4.7 FlashX | | | | | ||
| MiniMax M2.5 | | | | | ||
| GPT-6 Luna | | | | | | |
| Muse Glimmer 30B | | | | | | |
MongoDB Redis first choice named as an alternative argued againstblank: not namedEach cell is one answer, MongoDB on the left and Redis on the right.The direct prompt
MongoDB first, Redis an alternative
14 of 14 modelsRedis was named in the answer but not as the choice, or not at all.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.
By buyer segment
MongoDB69%#1 of 10Redis0%#8 of 10What the models said about MongoDB
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.
“MongoDB's own docs warn that sharded clusters require careful planning and that poor shard-key choice can hurt scalability and performance.” GPT-5.4 mini · negative prompt · soft negative
“The most popular document database and production-ready, but with a long history of internet-exposed instances and NoSQL injection risk.” Muse Glimmer 30B · negative prompt · soft negative
“If you need a quick start with flexible JSON documents and strong consistency: MongoDB Community Edition self-hosted, or Atlas Free/Flex for a managed free tier.” Muse Glimmer 30B · budget prompt · first choice
“Often the default choice for B2B applications... For most mid-market B2B companies without extreme scale requirements, MongoDB ... are safe bets.” Claude Haiku 4.5 · direct prompt · first choice
“MongoDB Community Edition is often considered the most popular choice for budget-conscious companies due to its balance of features and ease of use.” Claude Haiku 4.5 · budget prompt · first choice
What the models said about Redis
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“Redis is extremely fast but should be used with caution for data that needs to persist on disk or for applications requiring complex queries” Mistral Small · negative prompt · soft negative
“Cautious when: Using it as a primary database rather than a cache — it's an in-memory store, and data durability can be a concern.” DeepSeek V4 Flash · negative prompt · soft negative
“early versions lacked auth. Redis 7+ is solid; use ACLs and avoid as a primary durable store unless clustered with persistence.” Grok 4.1 Fast · negative prompt · soft negative
“Redis is the most popular and versatile key-value store... ideal for mid-sized B2B applications” Mistral Small · paraphrase prompt · first choice
“Redis receiving the highest rating of 8.9 among the leaders” Claude Haiku 4.5 · comparative prompt · first choice
“Key-Value Stores Top Examples: Redis, Amazon DynamoDB” Qwen 3.7 Flash · comparative prompt · first choice
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.