# Fluent Bit vs Vector

| Attribute | Fluent Bit | Vector |
|---|---|---|
| **Vioscale score** | 51.8 (42% (low)) | 55.8 (42% (low)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 0 | 0 |
| adoption.github_stars | 8,062 | 22,458 |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | Collects and routes telemetry data from distributed systems with high efficiency and built-in support for the OpenTelemetry standard. | 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. |
| features.capabilities | `{"hosting":"both","log_role":"shipper","otel_support":"native","structured_parsing":true}` | `{"hosting":"self","log_role":"platform","otel_support":"native","pii_redaction":true,"query_language":"Vector Remap Language (VRL)","structured_parsing":true,"object_store_backed":true}` |
| integrations.count | 100 | 25 |
| integrations.list | `[{"name":"AWS S3"},{"name":"Google Cloud Storage"},{"name":"Kubernetes"},{"name":"OpenTelemetry"},{"name":"Syslog"},{"name":"Prometheus"},{"name":"Windows Event Log"},{"name":"Podman"},{"name":"NVIDIA GPU"},{"name":"HTTP"},{"name":"Google Chronicle"},{"name":"Fluent Forward"}]` | `[{"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"}]` |
| language.primary | C | Rust |
| license.spdx | Apache-2.0 | MPL-2.0 |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://fluentbit.io/","retrievedAt":"2026-08-14T11:06:42.544Z"}` | `{"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 | commercial | commercial |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | 8 | 41 |
| release.history | `[{"url":"https://github.com/fluent/fluent-bit/releases/tag/v5.1.1","date":"2026-08-16T04:40:56Z","type":"stable","version":"v5.1.1"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v5.1.0","date":"2026-08-06T02:29:07Z","type":"stable","version":"v5.1.0"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v4.2.8","date":"2026-08-04T05:56:56Z","type":"stable","version":"v4.2.8"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v4.2.7","date":"2026-07-09T08:29:44Z","type":"stable","version":"v4.2.7"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v5.0.9","date":"2026-07-04T16:00:11Z","type":"stable","version":"v5.0.9"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v4.2.6","date":"2026-06-26T05:43:32Z","type":"stable","version":"v4.2.6"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v5.0.8","date":"2026-06-24T15:05:57Z","type":"stable","version":"v5.0.8"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v5.0.7","date":"2026-06-06T04:22:23Z","type":"stable","version":"v5.0.7"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v4.2.5","date":"2026-06-03T06:04:25Z","type":"stable","version":"v4.2.5"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v5.0.6","date":"2026-05-21T23:19:01Z","type":"stable","version":"v5.0.6"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v5.0.5","date":"2026-05-07T19:53:24Z","type":"stable","version":"v5.0.5"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v5.0.4","date":"2026-05-01T18:06:29Z","type":"stable","version":"v5.0.4"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v5.0.3","date":"2026-04-14T21:13:53Z","type":"stable","version":"v5.0.3"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v4.2.4","date":"2026-04-10T07:57:40Z","type":"stable","version":"v4.2.4"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v5.0.2","date":"2026-04-01T18:54:40Z","type":"stable","version":"v5.0.2"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v5.0.1","date":"2026-03-31T03:52:57Z","type":"stable","version":"v5.0.1"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v4.2.3.1","date":"2026-02-20T04:22:33Z","type":"stable","version":"v4.2.3.1"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v4.2.3","date":"2026-02-18T17:39:51Z","type":"stable","version":"v4.2.3"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v4.2.2","date":"2025-12-24T03:23:11Z","type":"stable","version":"v4.2.2"},{"url":"https://github.com/fluent/fluent-bit/releases/tag/v4.2.1","date":"2025-12-18T04:57:38Z","type":"stable","version":"v4.2.1"}]` | `[{"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/vdev-v0.3.15","date":"2026-08-18T20:43:28Z","type":"stable","version":"vdev-v0.3.15"},{"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"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.44.0","date":"2025-01-13T22:27:37Z","type":"stable","version":"v0.44.0"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.43.1","date":"2024-12-10T17:15:08Z","type":"stable","version":"v0.43.1"},{"url":"https://github.com/vectordotdev/vector/releases/tag/v0.43.0","date":"2024-12-03T23:46:38Z","type":"stable","version":"v0.43.0"}]` |
| security.disclosure_policy | - | yes |
| security.scorecard | 6.2 | 6.4 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=stevehipwell-helm-charts-fluent-bit-collector%2Ffluent-bit-collector&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=wener%2Fvector&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Log Management Software)

| Capability | Fluent Bit | 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 | Native |
| Query language | - | Vector Remap Language (VRL) |
| **Deployment** |  |  |
| Hosting | Cloud + self-hosted | Self-hosted only |

*Source: Vioscale. Generated 2026-09-01T20:18:53.660Z. "-" = undocumented, not absent.*