Comparison
open-webui vs cupel
Verdict
Pick open-webui when open-webui is primarily Python; cupel is JavaScript; pick cupel when cupel is primarily JavaScript; open-webui is Python.
Markdown twin · open-webui alternatives · cupel alternatives
GraphCanon updated today
vs
Trust & integrity
| Signal | open-webui | cupel |
|---|---|---|
| Maintenance | Very active (0d since push) As of 4d · github_public_v1 | Steady (45d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Organization account As of 4d · github_public_v1 | Not a fork · Personal account As of today · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 4d · osv@v1 | No lockfile (source not queried) As of today · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- open-webui
- User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
- cupel
- discover LLMs punching above their weight
Stars
- open-webui
- 145k
- cupel
- 51
Forks
- open-webui
- 21k
- cupel
- 0
Open issues
- open-webui
- 391
- cupel
- 2
Language
- open-webui
- Python
- cupel
- JavaScript
Adopt for
- open-webui
- Suitable for developers working with large language models who require a user-friendly interface and support for multiple APIs including Ollama and OpenAI.
- cupel
- -
Persona
- open-webui
- -
- cupel
- -
Runtime
- open-webui
- -
- cupel
- -
License
- open-webui
- Other
- cupel
- Apache-2.0
Last pushed
- open-webui
- Jul 10, 2026
- cupel
- May 31, 2026
Categories
- open-webui
- Inference & Serving, LLM Frameworks
- cupel
- Evaluation & Observability, Inference & Serving, LLM Frameworks
Trust and health
Maintenance
- open-webui
- Very active (96%)
- cupel
- Steady (60%)
Days since push
- open-webui
- 0d
- cupel
- 45d
Open issues (now)
- open-webui
- 391
- cupel
- 2
Owner type
- open-webui
- Organization
- cupel
- User
Full report
- open-webui
- Trust report
- cupel
- Trust report
Choose open-webui if…
- open-webui is primarily Python; cupel is JavaScript.
- License: open-webui is Other, cupel is Apache-2.0.
- Tags unique to open-webui: ai, openai, self-hosted.
- When you need to integrate multiple AI services, such as Ollama and OpenAI, into a unified user interface.
When NOT to use open-webui
- When looking for tooling that exclusively supports APIs other than Ollama and OpenAI, as these are specific areas of focus for open-webui.
- If the requirement is a highly specialized interface tailored to specific tasks rather than a general AI interaction platform.
Choose cupel if…
- cupel is primarily JavaScript; open-webui is Python.
- License: cupel is Apache-2.0, open-webui is Other.
- Tags unique to cupel: javascript, llm-evaluation, local-llm.
- Also covers Evaluation & Observability.
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.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (open-webui/open-webui) · observed Jul 11, 2026
- GitHub forks (open-webui/open-webui) · observed Jul 11, 2026
- Last push (open-webui/open-webui) · observed Jul 10, 2026
- License file (Other) · observed Jul 11, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (tolitius/cupel) · observed Jul 15, 2026
- GitHub forks (tolitius/cupel) · observed Jul 15, 2026
- Last push (tolitius/cupel) · observed May 31, 2026
- License file (Apache-2.0) · observed Jul 15, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: open-webui 145k · cupel 51 (synced Jul 11, 2026).
Common questions
- What is the difference between open-webui and cupel?
- open-webui: User-friendly AI Interface (Supports Ollama, OpenAI API, ...). cupel: discover LLMs punching above their weight. See the comparison table for live GitHub stats and shared categories.
- When should I choose open-webui over cupel?
- Choose open-webui over cupel when open-webui is primarily Python; cupel is JavaScript; License: open-webui is Other, cupel is Apache-2.0; Tags unique to open-webui: ai, openai, self-hosted; When you need to integrate multiple AI services, such as Ollama and OpenAI, into a unified user interface.
- When should I choose cupel over open-webui?
- Choose cupel over open-webui when cupel is primarily JavaScript; open-webui is Python; License: cupel is Apache-2.0, open-webui is Other; Tags unique to cupel: javascript, llm-evaluation, local-llm; Also covers Evaluation & Observability.
- When should I avoid open-webui?
- When looking for tooling that exclusively supports APIs other than Ollama and OpenAI, as these are specific areas of focus for open-webui. If the requirement is a highly specialized interface tailored to specific tasks rather than a general AI interaction platform.
- 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 open-webui or cupel more popular on GitHub?
- open-webui has more GitHub stars (145,029 vs 51). Stars measure visibility, not whether either tool fits your constraints.
- Are open-webui and cupel open source?
- Yes - both are open-source projects on GitHub (open-webui: Other, cupel: Apache-2.0).
- Where can I find alternatives to open-webui or cupel?
- GraphCanon lists graph-backed alternatives at open-webui alternatives and cupel alternatives (open-webui markdown twin, cupel markdown twin), 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 mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, open-webui or cupel?
- open-webui: 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 open-webui and cupel?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: open-webui trust report; cupel trust report.