Comparison

KDB.AI vs Upstash

On the evidence we track, Upstash leads this comparison with a composite score of 74/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

KDB.AI full profile →Upstash full profile →

Machine formatsMarkdown JSON GraphQLAll open, no key required.

KDB.AI47

★Upstash74

Attribute comparison across 2 tools
Attribute	KDB.AI	UpstashLeader
vioscaleAI score	47 / 100low · 24%	74 / 100medium · 73%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	freemium
Price levelpricing.price_level	low	low
Starting pricepricing.starting_price	-	$10
Transparentpricing.transparent	✗	✓
Integrations
Countintegrations.count	5	7
Security
Disclosure policysecurity.disclosure_policy	✓	✓
Gdprsecurity.gdpr	-	✓
Hipaasecurity.hipaa	-	✓
Soc2security.soc2	-	✓
Reliability
Sla pctreliability.sla_pct	-	99.99
Status pagereliability.status_page	-	✓
Market
Availabilitymarket.availability	-	Available worldwide · Popular in US
Content
Faqcontent.faq	4 items	7 items

Score

vioscaleAI score

KDB.AI47 / 100low · 24%

Upstash74 / 100medium · 73%

Pricing

Free tier

KDB.AI✓

Upstash✓

Model

KDB.AIcommercial

Upstashfreemium

Price level

KDB.AIlow

Upstashlow

Starting price

KDB.AI–

Upstash$10

Transparent

KDB.AI✗

Upstash✓

Integrations

Count

KDB.AI5

Upstash7

Security

Disclosure policy

KDB.AI✓

Upstash✓

Gdpr

KDB.AI–

Upstash✓

Hipaa

KDB.AI–

Upstash✓

Soc2

KDB.AI–

Upstash✓

Reliability

Sla pct

KDB.AI–

Upstash99.99

Status page

KDB.AI–

Upstash✓

Market

Availability

KDB.AI–

UpstashAvailable worldwide · Popular in US

Content

Faq

KDB.AI4 items

Upstash7 items

Capabilities

Feature-by-feature on the axes that matter for vector databases. “-” means undocumented, not absent.

Capability comparison for Vector Databases
Capability	KDB.AI	Upstash
Deployment
Deployment	Managed	Managed
Serverless / consumption pricing	-	✓
Index
ANN index (HNSW / IVF / DiskANN / ScaNN / flat)	Flat, qFlat, IVF, IVFPQ, HNSW, qHnsw	HNSW
Distance metrics (cosine / dot / Euclidean)	Euclidean, Inner-Product, Cosine	cosine
Query
Metadata filtering	Pre-filter	Pre-filter
Hybrid search (dense + sparse fusion)	✓	✓
Built-in BM25 / lexical	✓	✓
Storage
Quantization	Product	-
On-disk vs in-memory	Disk-backed	persistent
Scale
Multi-tenancy (namespaces / collections / tenants)	✓	✓
Horizontal scale	Sharded / distributed	Sharded / distributed
Consistency
Consistency	-	Strong
Licensing
Licence class	-	Proprietary
Classification
Purpose-built vs feature-of-parent	Dedicated DBMS	Dedicated DBMS

Deployment

KDB.AIManaged

UpstashManaged

Serverless / consumption pricing

KDB.AI-

Upstash✓

Index

ANN index (HNSW / IVF / DiskANN / ScaNN / flat)

KDB.AIFlat, qFlat, IVF, IVFPQ, HNSW, qHnsw

UpstashHNSW

Distance metrics (cosine / dot / Euclidean)

KDB.AIEuclidean, Inner-Product, Cosine

Upstashcosine

Query

Metadata filtering

KDB.AIPre-filter

UpstashPre-filter

Hybrid search (dense + sparse fusion)

KDB.AI✓

Upstash✓

Built-in BM25 / lexical

KDB.AI✓

Upstash✓

Storage

Quantization

KDB.AIProduct

Upstash-

On-disk vs in-memory

KDB.AIDisk-backed

Upstashpersistent

Scale

Multi-tenancy (namespaces / collections / tenants)

KDB.AI✓

Upstash✓

Horizontal scale

KDB.AISharded / distributed

UpstashSharded / distributed

Consistency

KDB.AI-

UpstashStrong

Licensing

Licence class

KDB.AI-

UpstashProprietary

Classification

Purpose-built vs feature-of-parent

KDB.AIDedicated DBMS

UpstashDedicated DBMS

What each one is

The product in its own terms, so the numbers below have context.

KDB.AI

KDB.AI is a specialized vector database enabling developers to build AI-powered applications by integrating vector embeddings with structured time-series data. It supports hybrid search, multimodal retrieval, and real-time analytics for generative AI and RAG applications.

Independently observed

Upstash

Leader

A cloud platform offering serverless Redis, vector databases, message queues, and workflow orchestration designed for developers building serverless applications, with usage-based and fixed-rate pricing options.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

KDB.AI

HybridFree tier

Free tier available; enterprise pricing via contact sales

FreeFree

as of 2026-08-03verify ↗

Upstash

Leader

from $10/moHybridFree tier

Free tier available. Pay-as-you-go from $0 (1 GB storage free), or fixed plans $10–$1,500/month

Pay-as-you-goFree
- 1 GB free storage
- Per-request pricing
- No minimum charge
Fixed plan$10 to $1,500 per month depending on storage and throughput requirements
- Guaranteed capacity
- No per-request overage charges
- Flexible cancellation
EnterpriseContact sales
- Custom capacity and SLAs
- Dedicated support

as of 2026-09-08verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	KDB.AI	Upstash
WebPlatforms	-	✓
CLIPlatforms	-	✓
Cloud / SaaSDeployment	✓	✓
On-premiseDeployment	✓	✗

Platforms

Web

KDB.AI–

Upstash✓

CLI

KDB.AI–

Upstash✓

Deployment

Cloud / SaaS

KDB.AI✓

Upstash✓

On-premise

KDB.AI✓

Upstash✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

KDB.AI

8 total

Hugging Face
NVIDIA cuVS
LlamaIndex
Langchain
Voyage AI
TwelveLabs
Google Colab
HuggingFace

Independently observed

Upstash

Leader

11 total

Cloudflare Workers
Auth0
MongoDB
MySQL
PostgreSQL
Debezium
JDBC
FluentBit
Drizzle
Vercel AI SDK
Redis protocol clients

Independently observed

Still deciding?

KDB.AI or Upstash: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.