compare
Fluent Bit vs Vector
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Fluent Bit | Vector |
|---|---|---|
| Language | C | Rust |
| Licence | Apache-2.0 | MPL-2.0 |
| Stars | 8.1k | 23k |
| Latest | v5.1.3 | vdev-v0.3.27 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 15 days between releases | about 3 days between releases |
| Active contributors | 30+ commit authors on the default branch in the last 90 days | 56 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Fluentd. Alternatives to Fluentd →
Full replacementFluent BitFrom the same project, written in C with a much smaller footprint.
Full replacementVectorCollects and ships the same sources, with its own transform language.
Both replace Logstash. Alternatives to Logstash →
Full replacementFluent BitLightweight agent in C, built for nodes and edge devices.
Full replacementVectorSources, transforms and sinks in one binary, with VRL for parsing.
Fluent Bit
Vector
- vdev-v0.3.272026-10-06
- v0.59.02026-10-06The COSE team is excited to announce version 0.59.0! 🚀
- vdev-v0.3.262026-10-02
- vdev-v0.3.252026-09-29
- vdev-v0.3.242026-09-24
Fluent Bit
unsigned The latest release, v5.1.3, carries no signature GitHub could verify.
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Vector
✓ signed The latest release, vdev-v0.3.27, carries a signature GitHub verified.
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