Home/Compare/fastembed-rs vs fastembed

Comparison

fastembed-rs vs fastembed

Verdict

Pick fastembed-rs if fastembed-rs is a Rust-based library that specializes in generating vector embeddings and performing local reranking to improve retrieval-augmented generation processes; pick fastembed if fastembed is a lightweight and efficient Python library for creating state-of-the-art embeddings.

Markdown twin · fastembed-rs alternatives · fastembed alternatives

GraphCanon updated 3d

fastembed-rs logo

fastembed-rs

Anush008/fastembed-rs

992pushed Aug 16, 2026
vs
fastembed logo

fastembed

qdrant/fastembed

3.2kpushed Aug 19, 2026

Trust & integrity

Signalfastembed-rsfastembed
Maintenance
Very active (6d since push)
As of 3d · github_public_v1
Very active (2d since push)
As of 4d · github_public_v1
Provenance
Not a fork · Personal account
As of 3d · github_public_v1
Not a fork · Organization account
As of 4d · github_public_v1
OSV dependency advisories
No lockfile (source not queried)
As of 1mo · osv@v1
No lockfile (source not queried)
As of 1mo · osv@v1
deps.dev advisories
Not queried
deps.dev@v1
Not queried
deps.dev@v1
OpenSSF Scorecard
Not queried
openssf-scorecard@v1
Not queried
openssf-scorecard@v1

Tagline

fastembed-rs
Rust library for generating vector embeddings and reranking locally.
fastembed
Fast, Accurate, Lightweight Python library for creating state-of-the-art embeddings

Stars

fastembed-rs
992
fastembed
3.2k

Forks

fastembed-rs
136
fastembed
231

Open issues

fastembed-rs
1
fastembed
111

Language

fastembed-rs
Rust
fastembed
Python

Adopt for

fastembed-rs
fastembed-rs is a Rust-based library that specializes in generating vector embeddings and performing local reranking to improve retrieval-augmented generation processes.
fastembed
Fastembed is a lightweight and efficient Python library for creating state-of-the-art embeddings.

Persona

fastembed-rs
-
fastembed
-

Runtime

fastembed-rs
-
fastembed
-

License

fastembed-rs
Apache-2.0
fastembed
Apache-2.0 License

Last pushed

fastembed-rs
Aug 16, 2026
fastembed
Aug 19, 2026

Categories

fastembed-rs
Data & Retrieval, Vector Databases
fastembed
Data & Retrieval, Vector Databases

Trust and health

Days since push

fastembed-rs
6d
fastembed
2d

Open issues (now)

fastembed-rs
1
fastembed
111

Stars delta

fastembed-rs
+20 (30d)
fastembed
+55 (30d)

Open issues delta

fastembed-rs
-2 (30d)
fastembed
-26 (30d)

Owner type

fastembed-rs
User
fastembed
Organization

Full report

fastembed-rs
Trust report
fastembed
Trust report

Choose fastembed-rs if…

  • fastembed-rs is primarily Rust; fastembed is Python.
  • Tags unique to fastembed-rs: fastembed, reranker, reranking, retrieval.
  • When you seek high-performance embedding generation within an application written in Rust.

When NOT to use fastembed-rs

  • Avoid if your project demands integration with languages other than Rust, as the tool does not offer bindings for other programming languages.
  • Not recommended when the primary focus is on distributed or cloud-based embedding services, as fastembed-rs focuses specifically on local processing.

Choose fastembed if…

  • fastembed is primarily Python; fastembed-rs is Rust.
  • Requirements: Does not require Docker, making the setup straightforward for Python environments..
  • Tags unique to fastembed: openai, retrieval-augmented-generation.
  • When you need to generate high-quality embeddings quickly in Python.

When NOT to use fastembed

  • If your project is not using Python, as Fastembed does not offer support for other programming languages directly.
  • In scenarios demanding heavy customization or fine-tuning at a lower level than what Fastembed provides out-of-the-box. Consider alternatives that may offer more flexibility.

Explore

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: fastembed-rs 992 · fastembed 3.2k (synced Aug 22, 2026).

Common questions

What is the difference between fastembed-rs and fastembed?
fastembed-rs: Rust library for generating vector embeddings and reranking locally.. fastembed: Fast, Accurate, Lightweight Python library for creating state-of-the-art embeddings. See the comparison table for live GitHub stats and shared categories.
When should I choose fastembed-rs over fastembed?
Choose fastembed-rs over fastembed when fastembed-rs is primarily Rust; fastembed is Python; Tags unique to fastembed-rs: fastembed, reranker, reranking, retrieval; When you seek high-performance embedding generation within an application written in Rust.
When should I choose fastembed over fastembed-rs?
Choose fastembed over fastembed-rs when fastembed is primarily Python; fastembed-rs is Rust; Requirements: Does not require Docker, making the setup straightforward for Python environments.; Tags unique to fastembed: openai, retrieval-augmented-generation; When you need to generate high-quality embeddings quickly in Python.
When should I avoid fastembed-rs?
Avoid if your project demands integration with languages other than Rust, as the tool does not offer bindings for other programming languages. Not recommended when the primary focus is on distributed or cloud-based embedding services, as fastembed-rs focuses specifically on local processing.
When should I avoid fastembed?
If your project is not using Python, as Fastembed does not offer support for other programming languages directly. In scenarios demanding heavy customization or fine-tuning at a lower level than what Fastembed provides out-of-the-box. Consider alternatives that may offer more flexibility.
Is fastembed-rs or fastembed more popular on GitHub?
fastembed has more GitHub stars (3,158 vs 992). Stars measure visibility, not whether either tool fits your constraints.
Are fastembed-rs and fastembed open source?
Yes - both are open-source projects on GitHub (fastembed-rs: Apache-2.0, fastembed: Apache-2.0).
Where can I find alternatives to fastembed-rs or fastembed?
GraphCanon lists graph-backed alternatives at fastembed-rs alternatives and fastembed alternatives (fastembed-rs markdown twin, fastembed markdown twin), ranked by typed relationship edges rather than popularity votes.
Is there a machine-readable version of this comparison?
Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
Which is better maintained, fastembed-rs or fastembed?
fastembed-rs: Very active. fastembed: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
Where are the full trust reports for fastembed-rs and fastembed?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: fastembed-rs trust report; fastembed trust report.

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