Comparison

Confluent Cloud vs Solace

On the evidence we track, Confluent Cloud leads this comparison with a composite score of 93/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Confluent Cloud full profile →Solace full profile →

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

★Confluent Cloud93

Solace48

Attribute comparison across 2 tools
Attribute	Confluent CloudLeader	Solace
vioscaleAI score	93 / 100medium · 73%	48 / 100low · 6%
Pricing
Free tierpricing.free_tier	✓	-
Modelpricing.model	freemium	-
Price levelpricing.price_level	low	-
Starting pricepricing.starting_price	$0.02	-
Transparentpricing.transparent	✓	-
Integrations
Countintegrations.count	120	4
Security
Certificationssecurity.certifications	SOC 1, SOC 2, SOC 3, ISO 27001, ISO 27701, PCI DSS +1 more	-
Disclosure policysecurity.disclosure_policy	✓	-
Fedrampsecurity.fedramp	✓	-
Gdprsecurity.gdpr	✓	-
Hipaasecurity.hipaa	✓	-
Iso27001security.iso27001	✓	-
Pcisecurity.pci	✓	-
Soc2security.soc2	✓	-
Trust centersecurity.trust_center	https://www.confluent.io/resources/topic/security/	-
Reliability
Sla pctreliability.sla_pct	99.99	-
Status pagereliability.status_page	✓	-
Market
Availabilitymarket.availability	Available worldwide · Popular in US, GB · HQ US	-
Content
Faqcontent.faq	6 items	4 items

Score

vioscaleAI score

Confluent Cloud93 / 100medium · 73%

Solace48 / 100low · 6%

Pricing

Free tier

Confluent Cloud✓

Solace–

Model

Confluent Cloudfreemium

Solace–

Price level

Confluent Cloudlow

Solace–

Starting price

Confluent Cloud$0.02

Solace–

Transparent

Confluent Cloud✓

Solace–

Integrations

Count

Confluent Cloud120

Solace4

Security

Certifications

Confluent CloudSOC 1, SOC 2, SOC 3, ISO 27001, ISO 27701, PCI DSS +1 more

Solace–

Disclosure policy

Confluent Cloud✓

Solace–

Fedramp

Confluent Cloud✓

Solace–

Gdpr

Confluent Cloud✓

Solace–

Hipaa

Confluent Cloud✓

Solace–

Iso27001

Confluent Cloud✓

Solace–

Pci

Confluent Cloud✓

Solace–

Soc2

Confluent Cloud✓

Solace–

Trust center

Confluent Cloudhttps://www.confluent.io/resources/topic/security/

Solace–

Reliability

Sla pct

Confluent Cloud99.99

Solace–

Status page

Confluent Cloud✓

Solace–

Market

Availability

Confluent CloudAvailable worldwide · Popular in US, GB · HQ US

Solace–

Content

Faq

Confluent Cloud6 items

Solace4 items

Capabilities

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

Capability comparison for Message Queues
Capability	Confluent Cloud	Solace
Core
Messaging paradigm	Pub/sub	Pub/sub
Correctness
Delivery guarantee	Exactly-once	At-most-once
Ordering guarantee	Per-partition	Per-partition
Durability
Durable replayable log	✓	✗
Message replay / rewind	✓	-
Interop
Wire protocol	Kafka protocol, REST API	MQTT, REST, JMS, Direct
Kafka-protocol compatible	✓	-
Scale
Partitioned horizontal scaling	✓	✓
Geo / cross-region replication	✓	-
Consumption
Consumer groups / competing consumers	✓	✓
Dead-letter queue	-	-
Deployment
Managed cloud offering exists	✓	✓
Hosting	Cloud only	Cloud + self-hosted
Processing
Built-in stream processing	✓	-

Core

Messaging paradigm

Confluent CloudPub/sub

SolacePub/sub

Correctness

Delivery guarantee

Confluent CloudExactly-once

SolaceAt-most-once

Ordering guarantee

Confluent CloudPer-partition

SolacePer-partition

Durability

Durable replayable log

Confluent Cloud✓

Solace✗

Message replay / rewind

Confluent Cloud✓

Solace-

Interop

Wire protocol

Confluent CloudKafka protocol, REST API

SolaceMQTT, REST, JMS, Direct

Kafka-protocol compatible

Confluent Cloud✓

Solace-

Scale

Partitioned horizontal scaling

Confluent Cloud✓

Solace✓

Geo / cross-region replication

Confluent Cloud✓

Solace-

Consumption

Consumer groups / competing consumers

Confluent Cloud✓

Solace✓

Dead-letter queue

Confluent Cloud-

Solace-

Deployment

Managed cloud offering exists

Confluent Cloud✓

Solace✓

Hosting

Confluent CloudCloud only

SolaceCloud + self-hosted

Processing

Built-in stream processing

Confluent Cloud✓

Solace-

What each one is

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

Confluent Cloud

Leader

Confluent Cloud is a managed Kafka service that automates infrastructure management and scaling across multiple cloud providers. It combines Kafka for streaming data with integrated Apache Flink for stream processing, providing enterprise-grade security, hundreds of pre-built connectors, and usage-based pricing with no upfront capacity provisioning required.

Independently observed

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

Pricing

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

Confluent Cloud

Leader

from $0.02/GBUsage-basedFree tier120-day trial

Free tier available. Pay-as-you-go usage pricing ($0.14-2.25/eCKU-hour depending on tier, $0.035-0.050/GB networking, $0.03-0.08/GB-month storage). Annual commitments available with tiered discounts. $400 free credits for new users over 4 months.

FreeFree
- Autoscaling
- Kafka ACLs
- Data encryption
- Audit logs
- RBAC
- +1 more
Standard~$385/month typical. $0.75/eCKU-hour, $0.035-0.050/GB networking, $0.03/GB/month storage
- Autoscaling at scale
- Advanced governance
- Audit logs
- SAML/SSO
- RBAC
- +1 more
Enterprise~$895/month typical. $1.75-2.25/eCKU-hour (min 2), $0.020-0.050/GB networking, tiered storage
- GBps+ autoscaling
- Private networking
- Client-side field-level encryption
- Advanced monitoring
- All security features

as of 2026-09-18verify ↗

Solace

Pricing not documented yet.

Platform & deployment

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

Platform and deployment support comparison
Supports	Confluent Cloud	Solace
WebPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✗	✓

Platforms

Web

Confluent Cloud✓

Solace✗

CLI

Confluent Cloud✓

Solace✓

Deployment

Cloud / SaaS

Confluent Cloud✓

Solace✓

Self-hosted

Confluent Cloud✗

Solace✓

Integrations

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

Confluent Cloud

Leader

16 total

Salesforce
Google Ads
Google Analytics
Hotjar
Quickbooks
MySQL
Apache Flink
Schema Registry
Apache Iceberg
Delta Lake
Slack
Amazon S3
Elasticsearch
AWS S3
Google Cloud Storage
Azure Blob Storage

Independently observed

Solace

4 total

AWS
Kafka
Spark
IBM WebSphere

Independently observed

Still deciding?

Confluent Cloud or Solace: 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.