QuestDB vs Prometheus
Zero of fourteen models named QuestDB first on the direct prompt; zero named Prometheus. Both were named by all fourteen models and QuestDB carries 57 labels and Prometheus 43, so the shares are not directly comparable.
Named in two categories this edition.
Named in seven 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 time series databases page.
By framing
QuestDBFirst choices, of fourteen modelsPrometheus
Across every category in the October 2026 Edition, QuestDB and Prometheus were named in the same answer eighty times, of the 153 answers naming QuestDB and the 307 naming Prometheus. In those answers Prometheus took the first choice three times and QuestDB six.
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 | | | | |
QuestDB Prometheus first choice named as an alternative argued againstblank: not namedEach cell is one answer, QuestDB on the left and Prometheus on the right.The direct prompt
Neither was the first choice, one was named
11 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
3 of 14 modelsThe answer made no first choice from these two in this category.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
What the models said about QuestDB
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.
“QuestDB is strong for time-centric analytics, but it is not the best choice if most of your queries do not filter by time” Perplexity Sonar · negative prompt · soft negative
“QuestDB (SQLi)” GLM 4.7 FlashX · negative prompt · soft negative
“1. QuestDB: A time series database that is designed to handle large amounts of data and provide fast query performance.” Llama 4 Maverick · paraphrase prompt · first choice
“specialized TSDBs like InfluxDB, TimescaleDB, or QuestDB are generally safer choices” Mistral Small · negative prompt · first choice
“For new projects in 2026, I'd strongly lean toward QuestDB” DeepSeek V4 Flash · negative prompt · first choice
What the models said about Prometheus
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“Prometheus local storage as your only durable, highly available store. ... its local TSDB isn't clustered or replicated.” GPT-6 Luna · negative prompt · soft negative
“Prometheus is by default free to use... Prometheus is an excellent choice as a powerful open-source monitoring and alerting toolkit.” Claude Haiku 4.5 · budget 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.