Comparison

KeyDB 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.

KeyDB full profile →Upstash full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

KeyDB38

★Upstash73

Attribute comparison across 2 tools
Attribute	KeyDB	UpstashLeader
vioscaleAI score	38 / 100low · 46%	73 / 100medium · 72%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	freemium
Price levelpricing.price_level	free	low
Starting pricepricing.starting_price	-	$5
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	1	6
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	-	✓
Hipaasecurity.hipaa	-	✓
Soc2security.soc2	-	✓
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=homebrew&package_name=keydb&per_page=100 · Last 12m: 0	-
Reliability
Sla pctreliability.sla_pct	-	99.99
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	1	-
Github starsadoption.github_stars	12,500	-
Activity
Commits last 30dactivity.commits_last_30d	0	-
Release
Cadence daysrelease.cadence_days	53	-
Historyrelease.history	20 items	-
License
Spdxlicense.spdx	BSD-3-Clause	-
Language
Primarylanguage.primary	C++	-
Market
Availabilitymarket.availability	Available worldwide · HQ US	Available worldwide · Popular in US
Content
Faqcontent.faq	6 items	7 items

Score

vioscaleAI score

KeyDB38 / 100low · 46%

Upstash73 / 100medium · 72%

Pricing

Free tier

KeyDB✓

Upstash✓

Model

KeyDBopen_source

Upstashfreemium

Price level

KeyDBfree

Upstashlow

Starting price

KeyDB–

Upstash$5

Transparent

KeyDB✓

Upstash✓

Integrations

Count

KeyDB1

Upstash6

Security

Disclosure policy

KeyDB–

Upstash✓

Gdpr

KeyDB–

Upstash✓

Hipaa

KeyDB–

Upstash✓

Soc2

KeyDB–

Upstash✓

Vulnerabilities

KeyDBCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=homebrew&package_name=keydb&per_page=100 · Last 12m: 0

Upstash–

Reliability

Sla pct

KeyDB–

Upstash99.99

Status page

KeyDB–

Upstash✓

Adoption

Dependent repos

KeyDB1

Upstash–

Github stars

KeyDB12,500

Upstash–

Activity

Commits last 30d

KeyDB0

Upstash–

Release

Cadence days

KeyDB53

Upstash–

History

KeyDB20 items

Upstash–

License

Spdx

KeyDBBSD-3-Clause

Upstash–

Language

Primary

KeyDBC++

Upstash–

Market

Availability

KeyDBAvailable worldwide · HQ US

UpstashAvailable worldwide · Popular in US

Content

Faq

KeyDB6 items

Upstash7 items

Capabilities

Feature-by-feature on the axes that matter for key-value stores. “-” means undocumented, not absent.

Capability comparison for Key-Value Stores
Capability	KeyDB	Upstash
Storage
Storage tier	In-memory	Persistent
Persistence	Fully durable	Fully durable
Data structures	Rich types	Rich types
Protocol
Wire protocol	RESP (Redis)	RESP (Redis)
Distribution
Clustering	Sharded	Replicated
Consistency	Strong	Strong
Ops
Eviction / TTL policies	✓	✓
Multi-threaded	✓	✗
Pub/Sub / streams	✓	✓
Transactions / atomic ops	MULTI-EXEC	MULTI-EXEC
Deployment
Deployment	Self-hosted	Managed
Licensing
Licence class	Permissive OSS	Proprietary
Compatibility
Redis API compatibility	Full	Full

Storage

Storage tier

KeyDBIn-memory

UpstashPersistent

Persistence

KeyDBFully durable

UpstashFully durable

Data structures

KeyDBRich types

UpstashRich types

Protocol

Wire protocol

KeyDBRESP (Redis)

UpstashRESP (Redis)

Distribution

Clustering

KeyDBSharded

UpstashReplicated

Consistency

KeyDBStrong

UpstashStrong

Ops

Eviction / TTL policies

KeyDB✓

Upstash✓

Multi-threaded

KeyDB✓

Upstash✗

Pub/Sub / streams

KeyDB✓

Upstash✓

Transactions / atomic ops

KeyDBMULTI-EXEC

UpstashMULTI-EXEC

Deployment

KeyDBSelf-hosted

UpstashManaged

Licensing

Licence class

KeyDBPermissive OSS

UpstashProprietary

Compatibility

Redis API compatibility

KeyDBFull

UpstashFull

What each one is

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

KeyDB

A data storage system that maintains Redis API compatibility while offering both in-memory and persistent storage modes, supporting active replication for distributed deployments and asynchronous command execution.

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.

KeyDB

Open sourceFree tier

as of 2026-08-14verify ↗

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 2026-10-06verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	KeyDB	Upstash
WebPlatforms	✗	✓
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✗

Platforms

Web

KeyDB✗

Upstash✓

Linux

KeyDB✓

Upstash✗

CLI

KeyDB✓

Upstash✓

Deployment

Cloud / SaaS

KeyDB✗

Upstash✓

Self-hosted

KeyDB✓

Upstash✗

Integrations

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

KeyDB

1 total

redis-py

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?

KeyDB 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.