vioscale
Comparison

Solace vs WarpStream

On the evidence we track, WarpStream leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Solace full profile →WarpStream full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Solace39
★WarpStream80
Score
Vioscale score
Solace39 / 100low · 7%updating
WarpStream80 / 100medium · 73%updating
Pricing
Free tier
Solace–
WarpStream✓
Model
Solace–
WarpStreamfreemium
Price level
Solace–
WarpStreamlow
Transparent
Solace–
WarpStream✓
Integrations
Count
Solace4
WarpStream12
Security
Iso27001
Solace–
WarpStream✓
Soc2
Solace–
WarpStream✓
Reliability
Sla pct
Solace–
WarpStream99.9
Status page
Solace–
WarpStream✓
Market
Availability
Solace–
WarpStreamAvailable worldwide

Capabilities

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

Core
Messaging paradigm
SolacePub/sub
WarpStreamLog / streaming
Correctness
Delivery guarantee
SolaceAt-most-once
WarpStreamAt-least-once
Ordering guarantee
SolacePer-partition
WarpStreamPer-partition
Durability
Durable replayable log
Solace✗
WarpStream✓
Message replay / rewind
Solace-
WarpStream✓
Interop
Wire protocol
SolaceMQTT, REST, JMS, Direct
WarpStreamKafka
Kafka-protocol compatible
Solace-
WarpStream✓
Scale
Partitioned horizontal scaling
Solace✓
WarpStream✓
Geo / cross-region replication
Solace-
WarpStream✓
Consumption
Consumer groups / competing consumers
Solace✓
WarpStream✓
Dead-letter queue
Solace-
WarpStream-
Deployment
Managed cloud offering exists
Solace✓
WarpStream✓
Hosting
SolaceCloud + self-hosted
WarpStreamCloud only
Processing
Built-in stream processing
Solace-
WarpStream✓

What each one is

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

Solace

A messaging service that enables developers to create event-driven applications and microservices using multiple programming languages and open protocols (MQTT, REST, JMS, proprietary Direct) across cloud and self-hosted deployment options.

Independently observed

WarpStream

Leader

WarpStream is a Kafka-compatible streaming platform that eliminates local disks by using cloud object storage, enabling automatic scaling and reducing costs significantly compared to traditional Kafka. It maintains full protocol compatibility while simplifying operations through managed deployment in customer cloud accounts.

Independently observed

Pricing

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

Solace

Pricing not documented yet.

WarpStream

Leader
from $0.01/moUsage-basedFree tier

From $100/month base + metered write throughput ($0.01-$0.003/GiB, tiered by volume) and storage. Free $400 non-expiring credits with no card required.

  • Dev$100/month base + metered write throughput and cluster minutes
    • Core functionality
    • 99.9% SLA
    • mTLS
  • Fundamentals$500/month base + metered usage
    • Production functionality
    • 99.9% SLA
    • Agent Groups
    • Cluster Recovery
    • mTLS
    • +3 more
  • Pro$1,500/month base + metered usage
    • Advanced isolation
    • Multi-region replication
    • 99.99% SLA
    • Lightning Topics
    • Topic Recovery
    • +1 more
  • EnterpriseContact sales
    • 99.999% SLA
    • Dedicated Control Plane Cell
    • Multi-Region HA Replication
as of verify ↗

Platform & deployment

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

Platforms
Web
Solace✗
WarpStream✓
Linux
Solace✓
WarpStream✗
CLI
Solace✓
WarpStream✓
Deployment
Cloud / SaaS
Solace✓
WarpStream✓
Self-hosted
Solace✓
WarpStream✓
On-premise
Solace✗
WarpStream✓
Hybrid
Solace✗
WarpStream✓

Integrations

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

Solace

4 total
  • AWS
  • Kafka
  • Spark
  • IBM WebSphere
Independently observed

WarpStream

Leader
12 total
  • Apache Kafka
  • Bento
  • RisingWave
  • Grafana
  • Materialize
  • Snowflake
  • Schema Registry
  • Iceberg
  • Tigris
  • Protobuf
  • Avro
  • JSON
Independently observed

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