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fastembed

v5.13.0 Stable

Library for generating vector embeddings, reranking locally.

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 11d ago)
  • โœ“Stable API (5.x for 2+ years)
  • โœ“Massive adoption (1.1K crates depend on it)
  • โœ“Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
681.5K
Dependents
1.1K
Releases
90
Size
437KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

239.6K downloads in the last 30 days (8.0K/day), up 83% from the previous period.

๐Ÿ”—
Widely adopted

1.1K crates depend on fastembed. Strong ecosystem adoption means battle-tested code and long-term stability.

โš ๏ธ
Single maintainer risk

fastembed has only 1 owner despite 1.1K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

โœ…
Stable for 2+ years

The API has been stable (1.x) for over 2 years with 90 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐ŸŒŸ
Used by top crates

Notable dependents include langchain-rust, swiftide-integrations, trueno-rag, rig-fastembed, dragon_db. When high-quality crates choose fastembed, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 20/25

Yanked ratio, deps, size, maturity, features

Community 9/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
5K/day avg+212%
05K10K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v4.9.1
40%
v5.7.0
33%
v5.8.1
12%
v5.11.0
8%
v3.14.1
7%

Release Timeline

90 releases2 yankedsince 2023
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2023
22
2024
40
2025
18
2026
10
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Yanked

Feature Flags

default =["ort-download-binaries-native-tls", "hf-hub-native-tls", "image-models"]

mklcudacudnnmetalqwen3hf-hubonlineaccelerateoptimum-cliimage-models*nomic-v2-moeort-load-dynamichf-hub-native-tls*hf-hub-rustls-tlsort-download-binariesort-download-binaries-native-tls*ort-download-binaries-rustls-tls

README

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Maintainers

Dependencies
13
direct dependencies
Dependents
1.1K
crates depend on fastembed