# Fluentd vs Vector

**Leader by vioscaleAI score:** Fluentd

| Attribute | Fluentd | Vector |
|---|---|---|
| **vioscaleAI score** | 57 (54% (medium)) | 52 (54% (medium)) |
| activity.commits_last_30d | 29 | 100 |
| adoption.dependent_repos | 3,044 | 0 |
| adoption.github_stars | 13,607 | 22,694 |
| content.faq | `[{"answer":"Fluentd is an open source data collector that consolidates logs and events from multiple applications and systems into a unified pipeline, enabling better data routing, processing, and consumption across your infrastructure. It is indexed under Log Management Software.","source":"https://www.fluentd.org/","question":"What is Fluentd?","confidence":0.6},{"answer":"Fluentd is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://www.fluentd.org/","question":"Is Fluentd free to use?","confidence":0.6},{"answer":"Fluentd supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.fluentd.org/","question":"What platforms does Fluentd support?","confidence":0.6},{"answer":"Yes. Fluentd can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.fluentd.org/","question":"Can Fluentd be self-hosted?","confidence":0.6},{"answer":"Yes. Fluentd is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/fluent/fluentd","question":"Is Fluentd open source?","confidence":0.95}]` | `[{"answer":"An open-source tool for building end-to-end observability pipelines that collect and transform data from multiple sources, then route it to various downstream systems without vendor lock-in. It is indexed under Log Management Software.","source":"https://vector.dev/","question":"What is Vector?","confidence":0.6},{"answer":"Vector is open source, so it can be self-hosted and used at no licence cost. It is released under the MPL-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://vector.dev/","question":"Is Vector free to use?","confidence":0.6},{"answer":"Vector supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://vector.dev/","question":"What platforms does Vector support?","confidence":0.6},{"answer":"Yes. Vector can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://vector.dev/","question":"Can Vector be self-hosted?","confidence":0.6},{"answer":"We have confirmed 22 integrations for Vector, including Datadog, Prometheus, New Relic, Influx, Elasticsearch, AWS S3, GCP Cloud Storage and Azure Blob, plus 14 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://vector.dev/","question":"What does Vector integrate with?","confidence":0.6},{"answer":"Yes. Vector is published under the MPL-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/vectordotdev/vector","question":"Is Vector open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Collects event data from various sources and forwards it to multiple destinations including databases, cloud services, and data platforms. Designed to centralize log infrastructure across applications and systems. | An end-to-end data pipeline for collecting, transforming, and routing logs and metrics from any source to any destination, with full programmability and vendor independence. |
| features.capabilities | `{"hosting":"self","log_role":"shipper","structured_parsing":true}` | `{"hosting":"self","log_role":"platform","live_tail":true,"otel_support":"native","pii_redaction":true,"query_language":"Vector Remap Language (VRL)","structured_parsing":true,"object_store_backed":true}` |
| integrations.count | 500 | 20 |
| integrations.list | - | `[{"name":"Datadog"},{"name":"Prometheus"},{"name":"New Relic"},{"name":"Influx"},{"name":"Elasticsearch"},{"name":"AWS S3"},{"name":"GCP Cloud Storage"},{"name":"Azure Blob"},{"name":"Kafka"},{"name":"Syslog"},{"name":"StatsD"},{"name":"M3"},{"name":"VictoriaMetrics"},{"name":"Timescale"},{"name":"Databricks"},{"name":"GreptimeDB"},{"name":"OpenTelemetry"},{"name":"HTTP"},{"name":"File"},{"name":"Socket"},{"name":"Stdin"},{"name":"Windows Event Log"},{"name":"AppSignal"},{"name":"Axiom"},{"name":"AWS CloudWatch"},{"name":"AWS Kinesis"},{"name":"Azure Blob Storage"},{"name":"Azure Logs Ingestion"},{"name":"Azure Monitor Logs"},{"name":"ClickHouse"},{"name":"Docker"},{"name":"dnstap"},{"name":"EventStoreDB"},{"name":"GCP Chronicle"},{"name":"GCP Cloud Monitoring"},{"name":"Heroku Logplex"},{"name":"Humio"},{"name":"InfluxDB"},{"name":"Kubernetes"},{"name":"Logstash"},{"name":"Mezmo"},{"name":"Sematext"},{"name":"Splunk"},{"name":"Apache Doris"},{"name":"Azure","native":true,"category":"cloud","direction":"bidirectional"},{"name":"Apache Kafka","native":true,"category":"messaging","direction":"bidirectional"}]` |
| language.primary | Ruby | Rust |
| license.spdx | Apache-2.0 | MPL-2.0 |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://www.fluentd.org/","retrievedAt":"2026-08-14T11:05:37.414Z"}` | `{"type":"open_source","summary":"Free and open source (MPL 2.0 license)","freeTier":true,"sourceUrl":"https://vector.dev/","retrievedAt":"2026-08-14T12:14:35.503Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | 70 | 41 |
| release.history | `[{"url":"https://github.com/fluent/fluentd/releases/tag/v1.19.4","date":"2026-09-28T05:54:15Z","type":"stable","version":"v1.19.4"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.19.3","date":"2026-06-25T09:16:05Z","type":"stable","version":"v1.19.3"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.19.2","date":"2026-02-19T04:41:23Z","type":"stable","version":"v1.19.2"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.16.11","date":"2025-12-10T04:43:59Z","type":"stable","version":"v1.16.11"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.19.1","date":"2025-11-10T02:13:37Z","type":"stable","version":"v1.19.1"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.16.10","date":"2025-09-12T01:52:17Z","type":"stable","version":"v1.16.10"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.19.0","date":"2025-07-30T07:31:21Z","type":"stable","version":"v1.19.0"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.16.9","date":"2025-05-14T08:02:54Z","type":"stable","version":"v1.16.9"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.16.8","date":"2025-05-01T05:44:23Z","type":"stable","version":"v1.16.8"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.16.7","date":"2025-01-30T01:44:35Z","type":"stable","version":"v1.16.7"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.18.0","date":"2024-11-29T05:30:48Z","type":"stable","version":"v1.18.0"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.16.6","date":"2024-08-20T08:09:25Z","type":"stable","version":"v1.16.6"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.17.1","date":"2024-08-20T01:34:50Z","type":"stable","version":"v1.17.1"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.17.0","date":"2024-04-30T09:14:06Z","type":"stable","version":"v1.17.0"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.16.5","date":"2024-03-27T09:07:47Z","type":"stable","version":"v1.16.5"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.16.4","date":"2024-03-14T08:12:40Z","type":"stable","version":"v1.16.4"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.16.3","date":"2023-11-14T05:23:28Z","type":"stable","version":"v1.16.3"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.16.2","date":"2023-07-14T08:27:02Z","type":"stable","version":"v1.16.2"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.16.1","date":"2023-04-17T07:51:15Z","type":"stable","version":"v1.16.1"},{"url":"https://github.com/fluent/fluentd/releases/tag/v1.16.0","date":"2023-03-29T04:04:47Z","type":"stable","version":"v1.16.0"}]` | `[{"url":"https://github.com/vectordotdev/vector/releases/tag/vdev-v0.3.30","date":"2026-10-09T22:30:38Z","type":"stable","version":"vdev-v0.3.30"},{"url":"https://github.com/vectordotdev/vector/releases/tag/vdev-v0.3.29","date":"2026-10-09T17:49:49Z","type":"stable","version":"vdev-v0.3.29"},{"url":"https://github.com/vectordotdev/vector/releases/tag/vdev-v0.3.28","date":"2026-10-08T18:55:03Z","type":"stable","version":"vdev-v0.3.28"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.59.0","date":"2026-10-06T14:39:26Z","type":"stable","version":"v0.59.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.58.0","date":"2026-08-26T14:39:15Z","type":"stable","version":"v0.58.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.57.0","date":"2026-07-14T21:58:16Z","type":"stable","version":"v0.57.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.56.0","date":"2026-06-03T15:26:05Z","type":"stable","version":"v0.56.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.55.0","date":"2026-04-22T16:21:18Z","type":"stable","version":"v0.55.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.54.0","date":"2026-03-10T17:50:46Z","type":"stable","version":"v0.54.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.53.0","date":"2026-01-27T22:48:18Z","type":"stable","version":"v0.53.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.52.0","date":"2025-12-16T15:56:44Z","type":"stable","version":"v0.52.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.51.1","date":"2025-11-13T16:14:37Z","type":"stable","version":"v0.51.1"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.51.0","date":"2025-11-04T16:51:45Z","type":"stable","version":"v0.51.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.50.0","date":"2025-09-23T15:22:47Z","type":"stable","version":"v0.50.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.49.0","date":"2025-08-12T16:08:33Z","type":"stable","version":"v0.49.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.48.0","date":"2025-06-30T19:32:30Z","type":"stable","version":"v0.48.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.47.0","date":"2025-05-20T14:57:18Z","type":"stable","version":"v0.47.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.46.1","date":"2025-04-14T19:36:52Z","type":"stable","version":"v0.46.1"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.46.0","date":"2025-04-08T17:04:54Z","type":"stable","version":"v0.46.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.45.0","date":"2025-02-24T15:58:27Z","type":"stable","version":"v0.45.0"}]` |
| security.certifications | `[{"name":"Third-party security audit","status":"active","auditor":"Cure53"}]` | - |
| security.disclosure_policy | - | yes |
| security.scorecard | 8.6 | 6.2 |
| security.vulnerabilities | `{"count":7,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=rubygems&package_name=fluentd&per_page=100","last_12m":4,"max_severity":"CRITICAL"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nixpkgs&package_name=vector&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Log Management Software)

| Capability | Fluentd | Vector |
|---|:--:|:--:|
| **Core** |  |  |
| Pipeline role | Shipper | End-to-end platform |
| **Search** |  |  |
| Full-text log search | - | - |
| Live tail / stream | - | ✓ |
| **Processing** |  |  |
| Structured parsing | ✓ | ✓ |
| PII redaction at ingest | - | ✓ |
| **Ops** |  |  |
| Log-based alerting | - | - |
| Dashboards / visualisation | - | - |
| **Storage** |  |  |
| Retention tiering | - | - |
| Object-store columnar backend | - | ✓ |
| **Interop** |  |  |
| OpenTelemetry logs | - | Native |
| Query language | - | Vector Remap Language (VRL) |
| **Deployment** |  |  |
| Hosting | Self-hosted only | Self-hosted only |

*Source: vioscaleAI. Generated 2026-10-16T18:30:51.661Z. "-" = undocumented, not absent.*
