Comparison

Apache Pulsar vs Inngest

No clear leader: Inngest (60.6) and Apache Pulsar (58.9) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Apache Pulsar59
Inngest61
Score
Vioscale score
Apache Pulsar59 / 100low · 29%
Inngest61 / 100medium · 74%
Pricing
Free tier
Apache Pulsar
Inngest
Model
Apache Pulsarcommercial
Inngestcommercial
Price level
Apache Pulsarfree
Inngestlow
Transparent
Apache Pulsar
Inngest
Integrations
Count
Apache Pulsar35
Inngest5
Reliability
Status page
Apache Pulsar
Inngest
Adoption
Dependent repos
Apache Pulsar316
Inngest2
Github stars
Apache Pulsar15,315
Inngest5,765
Package downloads weekly
Apache Pulsar
Inngest1,746,391
Activity
Commits last 30d
Apache Pulsar69
Inngest88
Release
Cadence days
Apache Pulsar
Inngest1
History
Apache Pulsar20 items
Inngest20 items
License
Spdx
Apache PulsarApache-2.0
InngestApache-2.0
Language
Primary
Apache PulsarJava
InngestGo

Capabilities

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

Core
Messaging paradigm
Apache PulsarPub/sub
InngestDurable execution
Correctness
Delivery guarantee
Apache PulsarExactly-once
InngestAt-least-once
Ordering guarantee
Apache PulsarPer-partition
Inngest-
Durability
Durable replayable log
Apache Pulsar
Inngest
Message replay / rewind
Apache Pulsar
Inngest
Interop
Wire protocol
Apache Pulsarpulsar://
InngestHTTPS
Kafka-protocol compatible
Apache Pulsar
Inngest
Scale
Partitioned horizontal scaling
Apache Pulsar
Inngest
Geo / cross-region replication
Apache Pulsar
Inngest-
Consumption
Consumer groups / competing consumers
Apache Pulsar
Inngest
Dead-letter queue
Apache Pulsar-
Inngest-
Deployment
Managed cloud offering exists
Apache Pulsar-
Inngest
Hosting
Apache PulsarCloud + self-hosted
InngestCloud + self-hosted
Processing
Built-in stream processing
Apache Pulsar
Inngest

What each one is

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

Apache Pulsar

A distributed messaging system built for cloud deployments that enables applications to reliably publish and consume messages—either individually or as continuous streams—with sub-10-millisecond latency, supporting millions of independent topics and large-scale streaming workloads.

Independently observed

Inngest

Provides an execution layer that automatically handles durability, retries, and state management for background jobs, scheduled tasks, and AI workflows through code-based function definitions.

Independently observed

Pricing

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

Apache Pulsar

Open source
as of verify ↗

Inngest

from $0.50/moSubscriptionFree tier

Free tier available. Pro from $99/mo + metered usage.

  • HobbyFree
    • 50k executions
    • 5 concurrent executions
    • 500 MB span data ingested
    • 10K scores
    • 500k events ingested
    • +6 more
  • ProStarting at $99/mo + metered usage
    • 1M executions included
    • Pay as you go up to 20M
    • 100+ concurrent executions
    • 5 GB span data ingested
    • 50K scores
    • +8 more
  • EnterpriseContact sales
    • Custom executions
    • Custom concurrent executions
    • Custom span data ingested
    • Custom scores
    • Custom events ingested
    • +5 more
as of verify ↗

Platform & deployment

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

Platforms
Web
Apache Pulsar
Inngest
CLI
Apache Pulsar
Inngest
Deployment
Cloud / SaaS
Apache Pulsar
Inngest
Self-hosted
Apache Pulsar
Inngest

Integrations

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

Apache Pulsar

29 total
  • Kafka
  • RabbitMQ
  • MongoDB
  • Cassandra
  • Elasticsearch
  • HBase
  • HDFS
  • InfluxDB
  • Redis
  • Solr
  • DynamoDB
  • Kinesis
  • Azure Data Explorer
  • ClickHouse
  • PostgreSQL
  • MariaDB
  • SQLite
  • Debezium MySQL
  • Debezium PostgreSQL
  • Debezium MongoDB
  • Debezium Oracle
  • Debezium Microsoft SQL Server
  • Canal
  • Aerospike
  • +5 more
Independently observed

Inngest

5 total
  • Datadog
  • Vercel
  • OpenAI
  • Discord
  • Deno
Independently observed

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