--- title: "prompty vs moby" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/microsoft-prompty-vs-moby-moby" tools: ["microsoft-prompty", "moby-moby"] --- # prompty vs moby *GraphCanon updated Jul 11, 2026* ## Verdict Pick prompty when prompty is primarily TypeScript; moby is Go; pick moby when moby is primarily Go; prompty is TypeScript. [prompty](https://prompty.ai) reports 1.2k GitHub stars, 118 forks, and 13 open issues, last pushed Jul 1, 2026. [moby](https://mobyproject.org/) has 72k stars, 19k forks, and 3.8k open issues, last pushed Jul 10, 2026. Figures are from public GitHub metadata via [prompty's repository](https://github.com/microsoft/prompty) and [moby's repository](https://github.com/moby/moby). | | [prompty](/tools/microsoft-prompty.md) | [moby](/tools/moby-moby.md) | | --- | --- | --- | | Tagline | Prompty makes it easy to create, manage, debug, and evaluate LLM prompts for your AI applications. Prompty is an asset class and format for LLM prompts designed to enhance observability, understandabi | The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems | | Stars | 1,228 | 71,899 | | Forks | 118 | 19,126 | | Open issues | 13 | 3,821 | | Language | TypeScript | Go | | Adopt for | - | - | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 | | Categories | LLM Frameworks, Evaluation & Observability, Developer Tools | LLM Frameworks, Inference & Serving, Developer Tools | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [prompty](/tools/microsoft-prompty.md) | [moby](/tools/moby-moby.md) | | --- | --- | --- | | Maintenance | Active (82%) | Very active (96%) | | Days since push | 10d | 1d | | Open issues (now) | 13 | 3.8k | | Security scan | No lockfile | No criticals | | Full report | [trust report](/tools/microsoft-prompty/trust.md) | [trust report](/tools/moby-moby/trust.md) | ## Choose when ### Choose prompty if… - prompty is primarily TypeScript; moby is Go. - License: prompty is MIT, moby is Apache-2.0. - Tags unique to prompty: llms, promptengineering, generative-ai, prompty. - Also covers Evaluation & Observability. ### Choose moby if… - moby is primarily Go; prompty is TypeScript. - License: moby is Apache-2.0, prompty is MIT. - Tags unique to moby: go, docker, golang, containers. - Also covers Inference & Serving. - moby ships Docker support for self-hosted deployment. ## When NOT to use prompty - 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. ## 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. ## Common questions ### What is the difference between prompty and moby? prompty: Prompty makes it easy to create, manage, debug, and evaluate LLM prompts for your AI applications. Prompty is an asset class and format for LLM prompts designed to enhance observability, understandabi. moby: The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems. See the comparison table for live GitHub stats and shared categories. ### When should I choose prompty over moby? Choose prompty over moby when prompty is primarily TypeScript; moby is Go; License: prompty is MIT, moby is Apache-2.0; Tags unique to prompty: llms, promptengineering, generative-ai, prompty; Also covers Evaluation & Observability. ### When should I choose moby over prompty? Choose moby over prompty when moby is primarily Go; prompty is TypeScript; License: moby is Apache-2.0, prompty is MIT; Tags unique to moby: go, docker, golang, containers; Also covers Inference & Serving; moby ships Docker support for self-hosted deployment. ### When should I avoid prompty? 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. ### 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. ### Is prompty or moby more popular on GitHub? moby has more GitHub stars (71,899 vs 1,228). Stars measure visibility, not whether either tool fits your constraints. ### Are prompty and moby open source? Yes - both are open-source projects on GitHub (prompty: MIT, moby: Apache-2.0). ### Where can I find alternatives to prompty or moby? GraphCanon lists graph-backed alternatives at [prompty alternatives](/tools/microsoft-prompty/alternatives) and [moby alternatives](/tools/moby-moby/alternatives) ([prompty markdown twin](/tools/microsoft-prompty/alternatives.md), [moby markdown twin](/tools/moby-moby/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/microsoft-prompty-vs-moby-moby.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, prompty or moby? prompty: Active. moby: 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 prompty and moby? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [prompty trust report](/tools/microsoft-prompty/trust); [moby trust report](/tools/moby-moby/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=microsoft-prompty`](/api/graphcanon/graph?tool=microsoft-prompty) - 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/_