--- title: "onWatch vs open-webui" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/onllm-dev-onwatch-vs-open-webui-open-webui" tools: ["onllm-dev-onwatch", "open-webui-open-webui"] --- # onWatch vs open-webui *GraphCanon updated Jul 11, 2026* ## Verdict Pick onWatch when onWatch is primarily Go; open-webui is Python; pick open-webui when open-webui is primarily Python; onWatch is Go. [onWatch](https://onwatch.onllm.dev) reports 673 GitHub stars, 51 forks, and 11 open issues, last pushed Jun 19, 2026. [open-webui](https://openwebui.com) has 145k stars, 21k forks, and 391 open issues, last pushed Jul 10, 2026. Figures are from public GitHub metadata via [onWatch's repository](https://github.com/onllm-dev/onWatch) and [open-webui's repository](https://github.com/open-webui/open-webui). | | [onWatch](/tools/onllm-dev-onwatch.md) | [open-webui](/tools/open-webui-open-webui.md) | | --- | --- | --- | | Tagline | Track AI API quotas across Synthetic, Z.ai, Anthropic (Claude Code), Codex, GitHub Copilot & Antigravity in real time. Lightweight background daemon (<50MB RAM), SQLite storage, Material Design 3 dash | User-friendly AI Interface (Supports Ollama, OpenAI API, ...) | | Stars | 673 | 145,029 | | Forks | 51 | 21,005 | | Open issues | 11 | 391 | | Language | Go | Python | | Adopt for | - | Suitable for developers working with large language models who require a user-friendly interface and support for multiple APIs including Ollama and OpenAI. | | Persona | - | - | | Runtime | - | - | | License | GPL-3.0 | Other | | Categories | LLM Frameworks, Computer Vision, Inference & Serving | LLM Frameworks, Inference & Serving | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [onWatch](/tools/onllm-dev-onwatch.md) | [open-webui](/tools/open-webui-open-webui.md) | | --- | --- | --- | | Maintenance | Active (82%) | Very active (96%) | | Days since push | 22d | 0d | | Open issues (now) | 11 | 391 | | Security scan | 27 low (27 low) | No MCP manifest | | Full report | [trust report](/tools/onllm-dev-onwatch/trust.md) | [trust report](/tools/open-webui-open-webui/trust.md) | ## Decision facts: open-webui - **Adopt for:** Suitable for developers working with large language models who require a user-friendly interface and support for multiple APIs including Ollama and OpenAI. ## Choose when ### Choose onWatch if… - onWatch is primarily Go; open-webui is Python. - License: onWatch is GPL-3.0, open-webui is Other. - Tags unique to onWatch: ai-api-monitoring, api-monitoring, codex, antigravity. - Also covers Computer Vision. - onWatch ships Docker support for self-hosted deployment. ### Choose open-webui if… - open-webui is primarily Python; onWatch is Go. - License: open-webui is Other, onWatch is GPL-3.0. - Tags unique to open-webui: self-hosted, llm, ai. - When you need to integrate multiple AI services, such as Ollama and OpenAI, into a unified user interface. ## When NOT to use onWatch - 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. ## 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. ## Common questions ### What is the difference between onWatch and open-webui? onWatch: Track AI API quotas across Synthetic, Z.ai, Anthropic (Claude Code), Codex, GitHub Copilot & Antigravity in real time. Lightweight background daemon (<50MB RAM), SQLite storage, Material Design 3 dash. open-webui: User-friendly AI Interface (Supports Ollama, OpenAI API, ...). See the comparison table for live GitHub stats and shared categories. ### When should I choose onWatch over open-webui? Choose onWatch over open-webui when onWatch is primarily Go; open-webui is Python; License: onWatch is GPL-3.0, open-webui is Other; Tags unique to onWatch: ai-api-monitoring, api-monitoring, codex, antigravity; Also covers Computer Vision; onWatch ships Docker support for self-hosted deployment. ### When should I choose open-webui over onWatch? Choose open-webui over onWatch when open-webui is primarily Python; onWatch is Go; License: open-webui is Other, onWatch is GPL-3.0; Tags unique to open-webui: self-hosted, llm, ai; When you need to integrate multiple AI services, such as Ollama and OpenAI, into a unified user interface. ### When should I avoid onWatch? 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. ### 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. ### Is onWatch or open-webui more popular on GitHub? open-webui has more GitHub stars (145,029 vs 673). Stars measure visibility, not whether either tool fits your constraints. ### Are onWatch and open-webui open source? Yes - both are open-source projects on GitHub (onWatch: GPL-3.0, open-webui: Other). ### Where can I find alternatives to onWatch or open-webui? GraphCanon lists graph-backed alternatives at [onWatch alternatives](/tools/onllm-dev-onwatch/alternatives) and [open-webui alternatives](/tools/open-webui-open-webui/alternatives) ([onWatch markdown twin](/tools/onllm-dev-onwatch/alternatives.md), [open-webui markdown twin](/tools/open-webui-open-webui/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/onllm-dev-onwatch-vs-open-webui-open-webui.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, onWatch or open-webui? onWatch: Active. open-webui: 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 onWatch and open-webui? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [onWatch trust report](/tools/onllm-dev-onwatch/trust); [open-webui trust report](/tools/open-webui-open-webui/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=onllm-dev-onwatch`](/api/graphcanon/graph?tool=onllm-dev-onwatch) - 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/_