--- title: "jax vs zepiris" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/jax-ml-jax-vs-zepto-labs-zepiris" tools: ["jax-ml-jax", "zepto-labs-zepiris"] --- # jax vs zepiris *GraphCanon updated Jul 11, 2026* ## Verdict Pick jax when license: jax is Apache-2.0, zepiris is Other; pick zepiris when license: zepiris is Other, jax is Apache-2.0. [jax](https://docs.jax.dev) reports 36k GitHub stars, 3.7k forks, and 2.5k open issues, last pushed Jul 11, 2026. [zepiris](https://blog.zeptonow.com/zepiris-reimagining-scalable-face-authentication-for-attendance-at-zepto-040da77d8231) has 346 stars, 88 forks, and 4 open issues, last pushed May 29, 2026. Figures are from public GitHub metadata via [jax's repository](https://github.com/jax-ml/jax) and [zepiris's repository](https://github.com/zepto-labs/zepiris). | | [jax](/tools/jax-ml-jax.md) | [zepiris](/tools/zepto-labs-zepiris.md) | | --- | --- | --- | | Tagline | Composable transformations of Python+NumPy programs: differentiate, vectorize, JIT to GPU/TPU, and more | No OTPs. No registers. No buddy punching. Just a selfie. ZepIris is Zepto's purpose-built face authentication platform - engineered for scale, tuned for budget phones. | | Stars | 35,999 | 346 | | Forks | 3,676 | 88 | | Open issues | 2,495 | 4 | | Language | Python | Python | | Adopt for | - | - | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | Other | | Categories | Vector Databases, Evaluation & Observability, Computer Vision | Vector Databases, Computer Vision | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [jax](/tools/jax-ml-jax.md) | [zepiris](/tools/zepto-labs-zepiris.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Steady (60%) | | Days since push | 0d | 42d | | Open issues (now) | 2.5k | 4 | | Full report | [trust report](/tools/jax-ml-jax/trust.md) | [trust report](/tools/zepto-labs-zepiris/trust.md) | ## Choose when ### Choose jax if… - License: jax is Apache-2.0, zepiris is Other. - Tags unique to jax: jax. - Also covers Evaluation & Observability. ### Choose zepiris if… - License: zepiris is Other, jax is Apache-2.0. - Tags unique to zepiris: data-science, vector-search, open-source, computer-vision. - Leaner open-issue backlog (4). ## When NOT to use jax - Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate. - Evaluation & Observability: Defer heavyweight eval infra only until you have real traffic - never skip it once users depend on answers. ## When NOT to use zepiris - Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate. ## Common questions ### What is the difference between jax and zepiris? jax: Composable transformations of Python+NumPy programs: differentiate, vectorize, JIT to GPU/TPU, and more. zepiris: No OTPs. No registers. No buddy punching. Just a selfie. ZepIris is Zepto's purpose-built face authentication platform - engineered for scale, tuned for budget phones.. See the comparison table for live GitHub stats and shared categories. ### When should I choose jax over zepiris? Choose jax over zepiris when License: jax is Apache-2.0, zepiris is Other; Tags unique to jax: jax; Also covers Evaluation & Observability. ### When should I choose zepiris over jax? Choose zepiris over jax when License: zepiris is Other, jax is Apache-2.0; Tags unique to zepiris: data-science, vector-search, open-source, computer-vision; Leaner open-issue backlog (4). ### When should I avoid jax? Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate. Evaluation & Observability: Defer heavyweight eval infra only until you have real traffic - never skip it once users depend on answers. ### When should I avoid zepiris? Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate. ### Is jax or zepiris more popular on GitHub? jax has more GitHub stars (35,999 vs 346). Stars measure visibility, not whether either tool fits your constraints. ### Are jax and zepiris open source? Yes - both are open-source projects on GitHub (jax: Apache-2.0, zepiris: Other). ### Where can I find alternatives to jax or zepiris? GraphCanon lists graph-backed alternatives at [jax alternatives](/tools/jax-ml-jax/alternatives) and [zepiris alternatives](/tools/zepto-labs-zepiris/alternatives) ([jax markdown twin](/tools/jax-ml-jax/alternatives.md), [zepiris markdown twin](/tools/zepto-labs-zepiris/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/jax-ml-jax-vs-zepto-labs-zepiris.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, jax or zepiris? jax: Very active. zepiris: 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 jax and zepiris? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [jax trust report](/tools/jax-ml-jax/trust); [zepiris trust report](/tools/zepto-labs-zepiris/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=jax-ml-jax`](/api/graphcanon/graph?tool=jax-ml-jax) - 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/_