--- title: "moby vs langkit" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/moby-moby-vs-whylabs-langkit" tools: ["moby-moby", "whylabs-langkit"] --- # moby vs langkit *GraphCanon updated Jul 12, 2026* ## Verdict Pick moby when moby is primarily Go; langkit is Jupyter Notebook; pick langkit when langkit is primarily Jupyter Notebook; moby is Go. [moby](https://mobyproject.org/) reports 72k GitHub stars, 19k forks, and 3.8k open issues, last pushed Jul 10, 2026. [langkit](https://whylabs.ai) has 991 stars, 72 forks, and 37 open issues, last pushed Nov 22, 2024. Figures are from public GitHub metadata via [moby's repository](https://github.com/moby/moby) and [langkit's repository](https://github.com/whylabs/langkit). | | [moby](/tools/moby-moby.md) | [langkit](/tools/whylabs-langkit.md) | | --- | --- | --- | | Tagline | The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems | 🔍 LangKit: An open-source toolkit for monitoring Large Language Models (LLMs). 📚 Extracts signals from prompts & responses, ensuring safety & security. 🛡️ Features include text quality, relevance m | | Stars | 71,899 | 991 | | Forks | 19,126 | 72 | | Open issues | 3,821 | 37 | | Language | Go | Jupyter Notebook | | Adopt for | - | - | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | Apache-2.0 | | Categories | LLM Frameworks, Inference & Serving, Developer Tools | LLM Frameworks, Evaluation & Observability, Developer Tools | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [moby](/tools/moby-moby.md) | [langkit](/tools/whylabs-langkit.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Dormant (18%) | | Days since push | 1d | 596d | | Open issues (now) | 3.8k | 37 | | Security scan | No criticals | No lockfile | | Full report | [trust report](/tools/moby-moby/trust.md) | [trust report](/tools/whylabs-langkit/trust.md) | ## Choose when ### Choose moby if… - moby is primarily Go; langkit is Jupyter Notebook. - Tags unique to moby: go, docker, golang, containers. - Also covers Inference & Serving. - moby ships Docker support for self-hosted deployment. ### Choose langkit if… - langkit is primarily Jupyter Notebook; moby is Go. - Tags unique to langkit: prompt-injection, nlp, machine-learning, observability. - Also covers Evaluation & Observability. ## When NOT to use moby - LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. - Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. - Developer Tools: A gateway is overkill when you're pinned to a single provider and model. ## When NOT to use langkit - Last GitHub push was 596 days ago (dormant maintenance, Nov 22, 2024). Validate activity before betting a new project on langkit. - LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. - Evaluation & Observability: Defer heavyweight eval infra only until you have real traffic - never skip it once users depend on answers. - Developer Tools: A gateway is overkill when you're pinned to a single provider and model. ## Common questions ### What is the difference between moby and langkit? moby: The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems. langkit: 🔍 LangKit: An open-source toolkit for monitoring Large Language Models (LLMs). 📚 Extracts signals from prompts & responses, ensuring safety & security. 🛡️ Features include text quality, relevance m. See the comparison table for live GitHub stats and shared categories. ### When should I choose moby over langkit? Choose moby over langkit when moby is primarily Go; langkit is Jupyter Notebook; Tags unique to moby: go, docker, golang, containers; Also covers Inference & Serving; moby ships Docker support for self-hosted deployment. ### When should I choose langkit over moby? Choose langkit over moby when langkit is primarily Jupyter Notebook; moby is Go; Tags unique to langkit: prompt-injection, nlp, machine-learning, observability; Also covers Evaluation & Observability. ### When should I avoid moby? LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. Developer Tools: A gateway is overkill when you're pinned to a single provider and model. ### When should I avoid langkit? Last GitHub push was 596 days ago (dormant maintenance, Nov 22, 2024). Validate activity before betting a new project on langkit. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. Evaluation & Observability: Defer heavyweight eval infra only until you have real traffic - never skip it once users depend on answers. Developer Tools: A gateway is overkill when you're pinned to a single provider and model. ### Is moby or langkit more popular on GitHub? moby has more GitHub stars (71,899 vs 991). Stars measure visibility, not whether either tool fits your constraints. ### Are moby and langkit open source? Yes - both are open-source projects on GitHub (moby: Apache-2.0, langkit: Apache-2.0). ### Where can I find alternatives to moby or langkit? GraphCanon lists graph-backed alternatives at [moby alternatives](/tools/moby-moby/alternatives) and [langkit alternatives](/tools/whylabs-langkit/alternatives) ([moby markdown twin](/tools/moby-moby/alternatives.md), [langkit markdown twin](/tools/whylabs-langkit/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/moby-moby-vs-whylabs-langkit.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, moby or langkit? moby: Very active. langkit: 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 moby and langkit? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [moby trust report](/tools/moby-moby/trust); [langkit trust report](/tools/whylabs-langkit/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=moby-moby`](/api/graphcanon/graph?tool=moby-moby) - 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/_