--- title: "pymilvus vs attu" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/milvus-io-pymilvus-vs-zilliztech-attu" tools: ["milvus-io-pymilvus", "zilliztech-attu"] --- # pymilvus vs attu *GraphCanon updated Aug 21, 2026* ## Verdict Pick pymilvus if pymilvus is a Python library that facilitates interaction with Milvus vector database through its SDK, allowing for efficient handling of vector data operations; pick attu if simplify Milvus interactions with this specialized GUI. [pymilvus](https://github.com/milvus-io/pymilvus) reports 1.4k GitHub stars, 453 forks, and 342 open issues, last pushed Aug 19, 2026. [attu](https://github.com/zilliztech/attu) has 3.1k stars, 222 forks, and 95 open issues, last pushed Jun 11, 2026. Figures are from public GitHub metadata via [pymilvus's repository](https://github.com/milvus-io/pymilvus) and [attu's repository](https://github.com/zilliztech/attu). | | [pymilvus](/tools/milvus-io-pymilvus.md) | [attu](/tools/zilliztech-attu.md) | | --- | --- | --- | | Tagline | Python SDK for Milvus Vector Database | The Best GUI for Milvus | | Stars | 1,406 | 3,111 | | Forks | 453 | 222 | | Open issues | 342 | 95 | | Language | Python | Shell | | Adopt for | pymilvus is a Python library that facilitates interaction with Milvus vector database through its SDK, allowing for efficient handling of vector data operations. | Simplify Milvus interactions with this specialized GUI. | | Persona | - | - | | Runtime | - | - | | License | pymilvus uses the Apache-2.0 license, which provides users with a clear and simple permission model that enables free distribution. | Other | | Categories | Vector Databases | Vector Databases | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [pymilvus](/tools/milvus-io-pymilvus.md) | [attu](/tools/zilliztech-attu.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Steady (60%) | | Days since push | 2d | 70d | | Open issues (now) | 342 | 95 | | Stars delta | +6 (30d) | +64 (30d) | | Open issues delta | -39 (30d) | +4 (30d) | | Full report | [trust report](/tools/milvus-io-pymilvus/trust.md) | [trust report](/tools/zilliztech-attu/trust.md) | ## Decision facts: pymilvus - **Pricing:** freemium - The pymilvus Python SDK is available for free under an open-source license, but advanced enterprise support can involve costs. - **Requirements:** Min 2 GB RAM; Requires Docker - **Adopt for:** pymilvus is a Python library that facilitates interaction with Milvus vector database through its SDK, allowing for efficient handling of vector data operations. - **License detail:** pymilvus uses the Apache-2.0 license, which provides users with a clear and simple permission model that enables free distribution. ## Decision facts: attu - **Adopt for:** Simplify Milvus interactions with this specialized GUI. ## Choose when ### Choose pymilvus if… - pymilvus is primarily Python; attu is Shell. - License: pymilvus is Apache-2.0, attu is Other. - Pricing: The pymilvus Python SDK is available for free under an open-source license, but advanced enterprise support can involve costs.. - Requirements: Min 2 GB RAM; Requires Docker. - Tags unique to pymilvus: anns, faiss, python sdk. - pymilvus ships Docker support for self-hosted deployment. - - pymilvus should be used when working within a Python environment where integration with the Milvus vector database is required for tasks like similarity search and large-scale vector indexing. ### Choose attu if… - attu is primarily Shell; pymilvus is Python. - License: attu is Other, pymilvus is Apache-2.0. - Tags unique to attu: attu. - Need a dedicated interface for Milvus vector database operations ## When NOT to use pymilvus - - Avoid pymilvus if you need a more comprehensive SDK that supports additional functionalities unrelated to the Milvus database or if you prefer working with another programming language. - - Do not use pymilvus when your project demands compatibility with real-time vector similarity search implementations outside of Milvus, as it is specifically tailored for Milvus operations. ## When NOT to use attu - Requiring multi-database support beyond Milvus - Looking for command-line tools instead of GUI solutions ## Common questions ### What is the difference between pymilvus and attu? pymilvus: Python SDK for Milvus Vector Database. attu: The Best GUI for Milvus. See the comparison table for live GitHub stats and shared categories. ### When should I choose pymilvus over attu? Choose pymilvus over attu when pymilvus is primarily Python; attu is Shell; License: pymilvus is Apache-2.0, attu is Other; Pricing: The pymilvus Python SDK is available for free under an open-source license, but advanced enterprise support can involve costs.; Requirements: Min 2 GB RAM; Requires Docker; Tags unique to pymilvus: anns, faiss, python sdk; pymilvus ships Docker support for self-hosted deployment; - pymilvus should be used when working within a Python environment where integration with the Milvus vector database is required for tasks like similarity search and large-scale vector indexing. ### When should I choose attu over pymilvus? Choose attu over pymilvus when attu is primarily Shell; pymilvus is Python; License: attu is Other, pymilvus is Apache-2.0; Tags unique to attu: attu; Need a dedicated interface for Milvus vector database operations. ### When should I avoid pymilvus? - Avoid pymilvus if you need a more comprehensive SDK that supports additional functionalities unrelated to the Milvus database or if you prefer working with another programming language. - Do not use pymilvus when your project demands compatibility with real-time vector similarity search implementations outside of Milvus, as it is specifically tailored for Milvus operations. ### When should I avoid attu? Requiring multi-database support beyond Milvus Looking for command-line tools instead of GUI solutions ### Is pymilvus or attu more popular on GitHub? attu has more GitHub stars (3,111 vs 1,406). Stars measure visibility, not whether either tool fits your constraints. ### Are pymilvus and attu open source? Yes - both are open-source projects on GitHub (pymilvus: Apache-2.0, attu: Other). ### Where can I find alternatives to pymilvus or attu? GraphCanon lists graph-backed alternatives at [pymilvus alternatives](/tools/milvus-io-pymilvus/alternatives) and [attu alternatives](/tools/zilliztech-attu/alternatives) ([pymilvus markdown twin](/tools/milvus-io-pymilvus/alternatives.md), [attu markdown twin](/tools/zilliztech-attu/alternatives.md)), 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](/compare/milvus-io-pymilvus-vs-zilliztech-attu.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, pymilvus or attu? pymilvus: Very active. attu: Steady. 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 pymilvus and attu? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [pymilvus trust report](/tools/milvus-io-pymilvus/trust); [attu trust report](/tools/zilliztech-attu/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=milvus-io-pymilvus`](/api/graphcanon/graph?tool=milvus-io-pymilvus) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_