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Time series databases · October 2026 Edition

TimescaleDB vs Prometheus

Twelve of fourteen models named TimescaleDB first on the direct prompt; zero named Prometheus. Both were named by all fourteen models and TimescaleDB carries 70 labels and Prometheus 43, so the shares are not directly comparable.

TimescaleDB

endorsed leader

Named in two categories this edition.

Prometheus

accepted challenger

Named in seven categories this edition.

First-choice share63%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate3%19%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#5A position in a field of 9; printed, not drawn.
Labels7043A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, TimescaleDB reading right to left. Rank and label count are printed, not drawn.InfluxDB was named alongside these two in twelve of the fourteen direct answers. TimescaleDB vs InfluxDB · TimescaleDB vs VictoriaMetrics · TimescaleDB vs QuestDB

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

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
TimescaleDBFirst choices, of fourteen modelsPrometheus
Direct1201 against Prometheus
Paraphrase90
Comparative30
Budget-constrained91
Scale-constrained10
Negative402 against TimescaleDB · 7 against Prometheus
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the October 2026 Edition, TimescaleDB and Prometheus were named in the same answer 100 times, of the 208 answers naming TimescaleDB and the 307 naming Prometheus. In those answers Prometheus took the first choice four times and TimescaleDB fifty-two.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where TimescaleDB and Prometheus stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
TimescaleDB Prometheus first choice named as an alternative argued againstblank: not namedEach cell is one answer, TimescaleDB on the left and Prometheus on the right.

The direct prompt

The plain question, one answer per model, grouped by where TimescaleDB and Prometheus stood in it.

TimescaleDB first, Prometheus an alternative

12 of 14 modelsPrometheus was named in the answer but not as the choice, or not at all.
Claude Haiku 4.5InfluxDB, TimescaleDB alternatives: Prometheus
GPT-5.4 miniTimescaleDB alternatives: ClickHouse Cloud, InfluxDB, QuestDB
Gemini 3.5 FlashTimescaleDB alternatives: ClickHouse Cloud, InfluxDB
Perplexity SonarTimescaleDB alternatives: Amazon Timestream, InfluxDB, QuestDB
Mistral SmallTimescaleDB alternatives: InfluxDB, QuestDB
DeepSeek V4 FlashTimescaleDB alternatives: ClickHouse Cloud, InfluxDB, QuestDB
Qwen 3.7 FlashTimescaleDB alternatives: InfluxDB, QuestDB
Kimi K2TimescaleDB alternatives: InfluxDB, QuestDB
GLM 4.7 FlashXTimescaleDB alternatives: ClickHouse Cloud, QuestDB
MiniMax M2.5InfluxDB, TimescaleDB alternatives: Amazon Timestream, QuestDB
GPT-6 LunaTimescaleDB alternatives: ClickHouse Cloud, InfluxDB, Prometheus
Muse Glimmer 30BTimescaleDB alternatives: InfluxDB, QuestDB

Neither was the first choice, one was named

1 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Grok 4.1 FastInfluxDB alternatives: ClickHouse Cloud, TimescaleDB

Neither was named

1 of 14 modelsThe answer made no first choice from these two in this category.
Llama 4 Maverickno first choice

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

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
TimescaleDB leads by fifty-five points.
TimescaleDB57%#1 of 9
Prometheus2%#6 of 9
The full small business standing →
Mid-marketThe figures above
TimescaleDB leads by sixty-one points.
TimescaleDB63%#1 of 9
Prometheus2%#5 of 9
The full mid-market standing →
Enterprise
TimescaleDB leads by forty-seven points.
TimescaleDB47%#1 of 10
Prometheus0%#9 of 10
The full enterprise standing →

What the models said about TimescaleDB

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.

“TimescaleDB has lower raw write throughput compared to purpose-built engines like QuestDB for extreme ingest scenarios” Claude Haiku 4.5 · negative prompt · soft negative
“Avoid for massive IoT write-heavy workloads.” DeepSeek V4 Flash · negative prompt · soft negative
“Recommendation for most mid-sized B2B: start with TimescaleDB/Tiger Data if you already use Postgres and need joins between telemetry and CRM/ERP/asset data” Muse Glimmer 30B · paraphrase prompt · first choice
“For most small businesses and startups, TimescaleDB (if you want SQL simplicity) or VictoriaMetrics ... are the strongest budget-friendly choices.” DeepSeek V4 Flash · budget prompt · first choice
“I'd recommend starting with TimescaleDB or InfluxDB Cloud due to their balance of features, ease of use, and managed options.” MiniMax M2.5 · direct 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
Also compared

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.