# Inngest vs NATS

**Leader by Vioscale score:** NATS

| Attribute | Inngest | NATS |
|---|---|---|
| **Vioscale score** | 60.6 (74% (medium)) | 75.4 (48% (low)) |
| activity.commits_last_30d | 88 | 100 |
| adoption.dependent_repos | 2 | 24,884 |
| adoption.github_stars | 5,765 | 20,599 |
| adoption.package_downloads_weekly | 1,746,391 | 1,291,214 |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"on_prem":true,"self_hosted":true}` |
| description.long | 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. | NATS enables components of a distributed software system to send messages to each other. It is an open-source project maintained by the Cloud Native Computing Foundation and can be deployed across cloud environments, on-site servers, edge computing devices, and embedded systems. |
| features.capabilities | `{"hosting":"both","paradigm":"durable_exec","protocol":"HTTPS","message_replay":true,"persistent_log":true,"consumer_groups":false,"kafka_compatible":false,"managed_offering":true,"stream_processing":false,"delivery_guarantee":"at_least_once","horizontal_scaling":true}` | `{"hosting":"self","paradigm":"pubsub","message_replay":true,"persistent_log":true,"consumer_groups":true,"horizontal_scaling":true}` |
| integrations.count | 5 | - |
| integrations.list | `[{"name":"Datadog"},{"name":"Vercel"},{"name":"OpenAI"},{"name":"Discord"},{"name":"Deno"}]` | - |
| language.primary | Go | Go |
| license.spdx | Apache-2.0 | Apache-2.0 |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Hobby","summary":"Free","features":["50k executions","5 concurrent executions","500 MB span data ingested","10K scores","500k events ingested","100k queue depth","50 realtime connections","Basic tracing, metrics, and alerts","3 users","3 workers","Unlimited serverless workers"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"For individual developers and small projects getting started with durable execution.","contactSales":false,"includedLimits":{"users":"3","events":"500k/mo","scores":"10K","workers":"3","span_data":"500 MB","executions":"50k/mo","queue_depth":"100k","realtime_connections":"50","concurrent_executions":"5"}},{"free":false,"name":"Pro","summary":"Starting at $99/mo + metered usage","features":["1M executions included","Pay as you go up to 20M","100+ concurrent executions","5 GB span data ingested","50K scores","5M+ events ingested","1M+ queue depth","1000 realtime connections","Granular tracing, metrics, alerts + 7 day trace retention","Increased throughput","15 users","20 workers","Unlimited serverless workers"],"components":[{"kind":"fixed","amount":99,"period":"month","currency":"USD"},{"per":{"qty":25,"unit":"concurrent_execution"},"kind":"metered","amount":25,"currency":"USD"},{"per":{"qty":1,"unit":"gb"},"kind":"metered","amount":3,"currency":"USD"},{"per":{"qty":1000000,"unit":"event"},"kind":"metered","amount":0.5,"currency":"USD"},{"per":{"qty":1000,"unit":"score"},"kind":"metered","amount":1.5,"currency":"USD"},{"kind":"per_unit","unit":"user","amount":10,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"worker","amount":10,"period":"month","currency":"USD"}],"description":"For growing teams building production-ready workflows with increased scale and reliability.","contactSales":false,"includedLimits":{"users":"15","events":"5M+/mo","scores":"50K","workers":"20","span_data":"5 GB","executions":"1M + pay as you go up to 20M","queue_depth":"1M+","realtime_connections":"1000","concurrent_executions":"100+"}},{"free":false,"name":"Enterprise","summary":"Custom pricing. Contact sales.","features":["Custom executions","Custom concurrent executions","Custom span data ingested","Custom scores","Custom events ingested","Custom queue depth","Custom realtime connections","Advanced tracing, metrics, alerts + 90 day trace retention","Dedicated Slack channel","SAML, RBAC, audit trails"],"description":"For organizations running critical workflows at scale with advanced security, support, and customization.","contactSales":true}],"addOns":[{"name":"HIPAA BAAs"},{"name":"Advanced observability","components":[{"kind":"one_time","amount":300,"currency":"USD"}]}],"summary":"Free tier available. Pro from $99/mo + metered usage.","currency":"USD","freeTier":true,"sourceUrl":"https://www.inngest.com/","retrievedAt":"2026-08-03T22:31:13.499Z","startingPrice":{"amount":0.5,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"open_source","sourceUrl":"https://nats.io","retrievedAt":"2026-08-14T12:15:06.032Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | low | free |
| pricing.transparent | yes | - |
| release.cadence_days | 1 | 1 |
| release.history | `[{"url":"https://github.com/inngest/inngest/releases/tag/v1.43.0","date":"2026-08-20T15:03:27Z","type":"stable","version":"v1.43.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.42.0","date":"2026-08-19T16:58:03Z","type":"stable","version":"v1.42.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.41.1","date":"2026-08-05T18:45:29Z","type":"stable","version":"v1.41.1"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.41.0","date":"2026-08-03T22:45:39Z","type":"stable","version":"v1.41.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.40.0","date":"2026-07-30T21:12:16Z","type":"stable","version":"v1.40.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.39.0","date":"2026-07-28T16:50:15Z","type":"stable","version":"v1.39.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.38.1","date":"2026-07-21T21:45:02Z","type":"stable","version":"v1.38.1"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.38.0","date":"2026-07-21T20:00:17Z","type":"stable","version":"v1.38.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.37.0","date":"2026-07-14T21:06:57Z","type":"stable","version":"v1.37.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.36.0","date":"2026-07-08T21:24:05Z","type":"stable","version":"v1.36.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.35.0","date":"2026-07-07T23:33:52Z","type":"stable","version":"v1.35.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.34.0","date":"2026-06-29T17:37:09Z","type":"stable","version":"v1.34.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.33.1-test.3","date":"2026-06-25T16:32:45Z","type":"prerelease","version":"v1.33.1-test.3"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.33.1-test.2","date":"2026-06-24T00:54:39Z","type":"prerelease","version":"v1.33.1-test.2"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.33.0","date":"2026-06-23T17:42:25Z","type":"stable","version":"v1.33.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.32.0","date":"2026-06-22T23:34:39Z","type":"stable","version":"v1.32.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.31.0","date":"2026-06-18T20:14:25Z","type":"stable","version":"v1.31.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.30.0","date":"2026-06-17T21:46:20Z","type":"stable","version":"v1.30.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.29.0","date":"2026-06-17T20:17:10Z","type":"stable","version":"v1.29.0"},{"url":"https://github.com/inngest/inngest/releases/tag/v1.28.0","date":"2026-06-16T14:09:15Z","type":"stable","version":"v1.28.0"}]` | `[{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.14.6-RC.2","date":"2026-08-26T17:01:24Z","type":"prerelease","version":"v2.14.6-RC.2"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.14.6-RC.1","date":"2026-08-25T16:47:43Z","type":"prerelease","version":"v2.14.6-RC.1"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.15.0-preview.1","date":"2026-08-24T13:33:40Z","type":"prerelease","version":"v2.15.0-preview.1"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.14.5","date":"2026-08-12T15:31:27Z","type":"stable","version":"v2.14.5"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.12.15","date":"2026-08-12T15:30:42Z","type":"stable","version":"v2.12.15"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.14.4","date":"2026-07-30T13:57:21Z","type":"stable","version":"v2.14.4"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.12.14","date":"2026-07-30T13:56:36Z","type":"stable","version":"v2.12.14"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.14.3","date":"2026-06-29T15:36:28Z","type":"stable","version":"v2.14.3"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.12.12","date":"2026-06-29T15:36:04Z","type":"stable","version":"v2.12.12"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.12.11","date":"2026-06-09T14:57:16Z","type":"stable","version":"v2.12.11"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.14.2","date":"2026-06-02T16:02:48Z","type":"stable","version":"v2.14.2"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.12.10","date":"2026-06-02T16:02:24Z","type":"stable","version":"v2.12.10"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.14.2-RC.1","date":"2026-05-29T15:17:59Z","type":"prerelease","version":"v2.14.2-RC.1"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.12.10-RC.1","date":"2026-05-29T15:16:47Z","type":"prerelease","version":"v2.12.10-RC.1"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.14.1","date":"2026-05-20T15:42:27Z","type":"stable","version":"v2.14.1"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.12.9","date":"2026-05-20T15:41:50Z","type":"stable","version":"v2.12.9"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.14.1-RC.2","date":"2026-05-19T16:39:13Z","type":"prerelease","version":"v2.14.1-RC.2"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.12.9-RC.2","date":"2026-05-19T16:38:34Z","type":"prerelease","version":"v2.12.9-RC.2"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.14.1-RC.1","date":"2026-05-14T15:12:59Z","type":"prerelease","version":"v2.14.1-RC.1"},{"url":"https://github.com/nats-io/nats-server/releases/tag/v2.12.9-RC.1","date":"2026-05-14T15:12:19Z","type":"prerelease","version":"v2.12.9-RC.1"}]` |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.gdpr | - | yes |
| security.hipaa | yes | - |
| security.scorecard | - | 7.2 |
| security.soc2 | yes | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=inngest-cli&per_page=100","last_12m":0,"max_severity":null}` | `{"count":29,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fnats-io%2Fnats-server%2Fv2&per_page=100","last_12m":14,"max_severity":"CRITICAL"}` |

## Capabilities (Message Queues)

| Capability | Inngest | NATS |
|---|:--:|:--:|
| **Core** |  |  |
| Messaging paradigm | Durable execution | Pub/sub |
| **Correctness** |  |  |
| Delivery guarantee | At-least-once | - |
| Ordering guarantee | - | - |
| **Durability** |  |  |
| Durable replayable log | ✓ | ✓ |
| Message replay / rewind | ✓ | ✓ |
| **Interop** |  |  |
| Wire protocol | HTTPS | - |
| 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 + self-hosted | Self-hosted only |
| **Processing** |  |  |
| Built-in stream processing | ✗ | - |

*Source: Vioscale. Generated 2026-09-01T17:32:48.698Z. "-" = undocumented, not absent.*