Comparison

KDB.AI vs Upstash

On the evidence we track, Upstash leads this comparison with a composite score of 73/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
KDB.AI47
★Upstash73
Score
vioscaleAI score
KDB.AI47 / 100low · 24%
Upstash73 / 100medium · 72%
Pricing
Free tier
KDB.AI✓
Upstash✓
Model
Upstashfreemium
Price level
KDB.AIlow
Upstashlow
Starting price
KDB.AI–
Upstash$5
Transparent
KDB.AI✗
Upstash✓
Integrations
Count
KDB.AI5
Upstash6
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
Content
Faq
KDB.AI4 items
Upstash7 items

Capabilities

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

Deployment
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
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 verify ↗

Upstash

Leader
from $5/moHybridFree tier

Free tier (30 MB), Essentials from $5/month, Pro from $200/month

  • FreeFree
    • No replication
    • Single database
    • Limited throughput
  • Essentials$5/month (250 MB) to $216/month (12 GB)
    • Predefined database sizes (250 MB to 12 GB)
    • Bandwidth and throughput limits per tier
    • Optional high availability
    • Flex tier with reduced throughput
  • Pro$200/month minimum + $0.014/hour usage-based billing
    • Unlimited memory
    • Dedicated VPC infrastructure
    • Multiple databases per subscription
    • Active-Active multi-region writes
    • Auto-tiering
    • +1 more
as of verify ↗

Platform & deployment

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

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
13 total
  • Cloudflare Workers
  • Auth0
  • MongoDB
  • MySQL
  • PostgreSQL
  • Debezium
  • JDBC
  • FluentBit
  • Drizzle
  • Vercel AI SDK
  • Redis protocol clients
  • Vercel
  • Aiven
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.