---
title: "moby vs cupel"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/moby-moby-vs-tolitius-cupel"
tools: ["moby-moby", "tolitius-cupel"]
---

# moby vs cupel

*GraphCanon updated Jul 15, 2026*

## Verdict

Pick moby when moby is primarily Go; cupel is JavaScript; pick cupel when cupel is primarily JavaScript; moby is Go.

[moby](https://mobyproject.org/) reports 72k GitHub stars, 19k forks, and 3.8k open issues, last pushed Jul 10, 2026. [cupel](https://cupel.run) has 51 stars, 0 forks, and 2 open issues, last pushed May 31, 2026. Figures are from public GitHub metadata via [moby's repository](https://github.com/moby/moby) and [cupel's repository](https://github.com/tolitius/cupel).

| | [moby](/tools/moby-moby.md) | [cupel](/tools/tolitius-cupel.md) |
| --- | --- | --- |
| Tagline | The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems | discover LLMs punching above their weight |
| Stars | 71,899 | 51 |
| Forks | 19,126 | 0 |
| Open issues | 3,821 | 2 |
| Language | Go | JavaScript |
| Adopt for | - | - |
| Persona | - | - |
| Runtime | - | - |
| License | Apache-2.0 | Apache-2.0 |
| Categories | Developer Tools, Inference & Serving, LLM Frameworks | Evaluation & Observability, Inference & Serving, LLM Frameworks |

## Trust and health

_Sourced signals - not a safety guarantee. No winner column._

| | [moby](/tools/moby-moby.md) | [cupel](/tools/tolitius-cupel.md) |
| --- | --- | --- |
| Maintenance | Very active (96%) | Steady (60%) |
| Days since push | 1d | 45d |
| Open issues (now) | 3.8k | 2 |
| Owner type | Organization | User |
| Full report | [trust report](/tools/moby-moby/trust.md) | [trust report](/tools/tolitius-cupel/trust.md) |

## Choose when

### Choose moby if…

- moby is primarily Go; cupel is JavaScript.
- Tags unique to moby: containers, docker, go, golang.
- Also covers Developer Tools.
- moby ships Docker support for self-hosted deployment.

### Choose cupel if…

- cupel is primarily JavaScript; moby is Go.
- Tags unique to cupel: javascript, llm, llm-evaluation, local-llm.
- Also covers Evaluation & Observability.

## When NOT to use moby

- Developer Tools: A gateway is overkill when you're pinned to a single provider and model.
- Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic.
- LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.

## When NOT to use cupel

- Evaluation & Observability: Defer heavyweight eval infra only until you have real traffic - never skip it once users depend on answers.
- Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic.
- LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.

## Common questions

### What is the difference between moby and cupel?

moby: The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems. cupel: discover LLMs punching above their weight. See the comparison table for live GitHub stats and shared categories.

### When should I choose moby over cupel?

Choose moby over cupel when moby is primarily Go; cupel is JavaScript; Tags unique to moby: containers, docker, go, golang; Also covers Developer Tools; moby ships Docker support for self-hosted deployment.

### When should I choose cupel over moby?

Choose cupel over moby when cupel is primarily JavaScript; moby is Go; Tags unique to cupel: javascript, llm, llm-evaluation, local-llm; Also covers Evaluation & Observability.

### When should I avoid moby?

Developer Tools: A gateway is overkill when you're pinned to a single provider and model. Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.

### When should I avoid cupel?

Evaluation & Observability: Defer heavyweight eval infra only until you have real traffic - never skip it once users depend on answers. Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.

### Is moby or cupel more popular on GitHub?

moby has more GitHub stars (71,899 vs 51). Stars measure visibility, not whether either tool fits your constraints.

### Are moby and cupel open source?

Yes - both are open-source projects on GitHub (moby: Apache-2.0, cupel: Apache-2.0).

### Where can I find alternatives to moby or cupel?

GraphCanon lists graph-backed alternatives at [moby alternatives](/tools/moby-moby/alternatives) and [cupel alternatives](/tools/tolitius-cupel/alternatives) ([moby markdown twin](/tools/moby-moby/alternatives.md), [cupel markdown twin](/tools/tolitius-cupel/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-tolitius-cupel.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, moby or cupel?

moby: Very active. cupel: 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 moby and cupel?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [moby trust report](/tools/moby-moby/trust); [cupel trust report](/tools/tolitius-cupel/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/_
