Comparison
chroma vs magnitude
Verdict
Pick chroma if chroma is an open-source data infrastructure for AI, offering vector, hybrid, and full-text search capabilities. It supports multiple programming languages and provides a simple API for managing collections and querying; pick magnitude if magnitude is a Python library for handling vector embeddings efficiently and quickly. It integrates with several popular embedding methods.
Markdown twin · chroma alternatives · magnitude alternatives
GraphCanon updated Sep 20, 2026
11views this month
vs
Trust & integrity
| Signal | chroma | magnitude |
|---|---|---|
| Maintenance | Very active (0d since push) As of Sep 18, 2026 · github_public_v1 | Dormant (1144d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 18, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 |
| OSV dependency advisories | Published findings As of Sep 18, 2026 · osv@v1 | No lockfile (source not queried) As of Jul 11, 2026 · 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
- chroma
- Search infrastructure for AI
- magnitude
- A fast, efficient universal vector embedding utility package.
Stars
- chroma
- 29k
- magnitude
- 1.7k
Forks
- chroma
- 2.5k
- magnitude
- 123
Open issues
- chroma
- 864
- magnitude
- 41
Language
- chroma
- Rust
- magnitude
- Python
Adopt for
- chroma
- Chroma is an open-source data infrastructure for AI, offering vector, hybrid, and full-text search capabilities. It supports multiple programming languages and provides a simple API for managing collections and querying.
- magnitude
- Magnitude is a Python library for handling vector embeddings efficiently and quickly. It integrates with several popular embedding methods.
Persona
- chroma
- -
- magnitude
- -
Runtime
- chroma
- -
- magnitude
- -
License
- chroma
- Chroma is licensed under the Apache-2.0 license, which is a permissive free software license.
- magnitude
- MIT
Last pushed
- chroma
- Sep 17, 2026
- magnitude
- Aug 3, 2023
Categories
- chroma
- Data & Retrieval, Vector Databases
- magnitude
- Data & Retrieval, Vector Databases
Trust and health
Maintenance
- chroma
- Very active (96%)
- magnitude
- Dormant (18%)
Days since push
- chroma
- 0d
- magnitude
- 1144d
Open issues (now)
- chroma
- 864
- magnitude
- 41
Stars delta
- chroma
- +422 (30d)
- magnitude
- +7 (30d)
Open issues delta
- chroma
- +118 (30d)
- magnitude
- 0 (30d)
OSV dependency advisories
- chroma
- Published findings
- magnitude
- No lockfile (source not queried)
Full report
- chroma
- Trust report
- magnitude
- Trust report
Shared compatibility
- Python · chroma: Python runtime · magnitude: Python runtime
Choose chroma if…
- chroma is primarily Rust; magnitude is Python.
- License: chroma is Apache-2.0, magnitude is MIT.
- Pricing: Chroma is open-source and free to use, but it also offers a hosted service called Chroma Cloud, which is cost-effective and scalable, with $5 of free credits available..
- Requirements: Min 1 GB RAM; Chroma can be installed via pip for Python and npm for JavaScript.; For client-server mode, you can run Chroma with a specified path for the database..
- Tags unique to chroma: agents, ai, ai-agents, database.
- chroma ships Docker support for self-hosted deployment.
- When you need a simple and efficient API for creating collections, adding documents, and querying data with vector, hybrid, and full-text search capabilities.
When NOT to use chroma
- If you need a solution that is tightly integrated with a specific database system that Chroma does not support or integrate with.
- When you require a more complex or specialized search infrastructure that offers features beyond vector, hybrid, and full-text search.
- If you are working in an environment where Rust is not a preferred language, and you need a tool that is more aligned with your existing tech stack.
- When you need a solution that is not open-source and prefer proprietary software with dedicated support and features.
Choose magnitude if…
- magnitude is primarily Python; chroma is Rust.
- License: magnitude is MIT, chroma is Apache-2.0.
- Tags unique to magnitude: embeddings, fasttext, gensim, glove.
- - When you need to perform memory-efficient operations on vector embeddings, including those from FastText or Word2Vec.
When NOT to use magnitude
- - If your project involves non-Python ecosystems, as Magnitude is strictly a Python library and thus not compatible with other programming environments.
- - When the primary focus of your work does not include handling large vector embeddings or specific operations that benefit from memory efficiency provided by Magnitude.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (chroma-core/chroma) · observed Sep 20, 2026
- GitHub forks (chroma-core/chroma) · observed Sep 20, 2026
- Last push (chroma-core/chroma) · observed Sep 17, 2026
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 18, 2026
- Trust scan (lockfile / OSV) · observed Sep 18, 2026
- GitHub stars (plasticityai/magnitude) · observed Sep 20, 2026
- GitHub forks (plasticityai/magnitude) · observed Sep 20, 2026
- Last push (plasticityai/magnitude) · observed Aug 3, 2023
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: chroma 29k · magnitude 1.7k (synced Sep 20, 2026).
Common questions
- What is the difference between chroma and magnitude?
- chroma: Search infrastructure for AI. magnitude: A fast, efficient universal vector embedding utility package.. See the comparison table for live GitHub stats and shared categories.
- When should I choose chroma over magnitude?
- Choose chroma over magnitude when chroma is primarily Rust; magnitude is Python; License: chroma is Apache-2.0, magnitude is MIT; Pricing: Chroma is open-source and free to use, but it also offers a hosted service called Chroma Cloud, which is cost-effective and scalable, with $5 of free credits available.; Requirements: Min 1 GB RAM; Chroma can be installed via pip for Python and npm for JavaScript.; For client-server mode, you can run Chroma with a specified path for the database.; Tags unique to chroma: agents, ai, ai-agents, database; chroma ships Docker support for self-hosted deployment; When you need a simple and efficient API for creating collections, adding documents, and querying data with vector, hybrid, and full-text search capabilities.
- When should I choose magnitude over chroma?
- Choose magnitude over chroma when magnitude is primarily Python; chroma is Rust; License: magnitude is MIT, chroma is Apache-2.0; Tags unique to magnitude: embeddings, fasttext, gensim, glove; - When you need to perform memory-efficient operations on vector embeddings, including those from FastText or Word2Vec.
- When should I avoid chroma?
- If you need a solution that is tightly integrated with a specific database system that Chroma does not support or integrate with. When you require a more complex or specialized search infrastructure that offers features beyond vector, hybrid, and full-text search. If you are working in an environment where Rust is not a preferred language, and you need a tool that is more aligned with your existing tech stack. When you need a solution that is not open-source and prefer proprietary software with dedicated support and features.
- When should I avoid magnitude?
- - If your project involves non-Python ecosystems, as Magnitude is strictly a Python library and thus not compatible with other programming environments. - When the primary focus of your work does not include handling large vector embeddings or specific operations that benefit from memory efficiency provided by Magnitude.
- Is chroma or magnitude more popular on GitHub?
- chroma has more GitHub stars (29,320 vs 1,673). Stars measure visibility, not whether either tool fits your constraints.
- Are chroma and magnitude open source?
- Yes - both are open-source projects on GitHub (chroma: Apache-2.0, magnitude: MIT).
- Where can I find alternatives to chroma or magnitude?
- GraphCanon lists graph-backed alternatives at chroma alternatives and magnitude alternatives (chroma markdown twin, magnitude 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, chroma or magnitude?
- chroma: Very active. magnitude: Dormant. 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 chroma and magnitude?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: chroma trust report; magnitude trust report.