# CustomGPT.ai vs Open WebUI

CustomGPT.ai records 96,030 monthly visits with -16.5% month-over-month growth and Freemium, Free Trial, Paid, Contact for Pricing pricing. Open WebUI records 804,534 monthly visits with -2.8% growth and Freemium pricing.

| Metric | [CustomGPT.ai](https://openaitools.app/tool/customgpt) | [Open WebUI](https://openaitools.app/tool/open-webui) |
| :--- | :--- | :--- |
| Website URL | https://customgpt.ai | https://openwebui.com |
| Categories | AI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs) | Large Language Models (LLMs), AI Chatbot, Open Source AI Models, AI Developer Tools |
| Pricing Model | Freemium, Free Trial, Paid, Contact for Pricing | Freemium |
| Monthly Visits | 96,030 | 804,534 |
| MoM Growth Rate | -16.5% | -2.8% |
| Primary Market | United States | United States |
| Direct Visits | 42,215 | 299,835 |
| Review Score | 4.3 | 4.4 |
| Saved Count | 5 | 0 |
| Supported Platforms | Website | Website |

## CustomGPT.ai

CustomGPT.ai is a business-focused platform for turning your existing documents, websites, help desks, YouTube videos and knowledge bases into AI agents that answer customer and employee questions. The pitch is accuracy over improvisation: instead of a general-purpose chatbot that invents details, CustomGPT.ai grounds every response in content you supplied and attaches a citation link so readers can verify the claim. The company positions its anti-hallucination retrieval pipeline as its core differentiator, and backs it with SOC 2 and GDPR compliance messaging for regulated buyers.

Setup is deliberately hands-off. You connect data sources — the platform advertises support for 1,400+ document formats plus connectors such as Google Drive, HubSpot and Notion — then deploy the resulting agent through ready-made website widgets, a help center embed, or an internal portal. A RAG API, SDK and API reference are available for teams that want to call the agents programmatically, and multi-language support covers a very wide set of languages. There is also auto-sync, so website content can be refreshed without manual re-uploading.

Pricing is published and tiered rather than hidden behind a quote for smaller teams: a 7-day free trial, then a Standard plan at $99 per month, a Premium plan at $499 per month, and a custom Enterprise tier with forward-deployed engineers. The higher plans raise agent counts, query volumes, document capacity and seat limits. Its main buyers are customer support teams, membership associations, professional services firms and internal knowledge-search projects.

**Pricing & Plans:** 7-day free trial on every plan. Standard is $99/month ($89/month billed annually) and Premium is $499/month ($449/month billed annually), with custom-priced Enterprise plans for larger deployments. Credit card payment on self-serve tiers; wire transfer and ACH available at the Enterprise level.

- **Anti-hallucination grounding:** Responses are generated from your supplied content only, with a citation link attached to each answer so readers can check the source.
- **No-code agent builder:** Create and configure custom GPT agents from a browser interface without writing any code or maintaining your own retrieval stack.
- **Broad data connectors:** Ingest websites, help centers, PDFs, Office files, YouTube videos, podcasts and audio, across 1,400+ document formats and integrations like Google Drive and Notion.
- **RAG API and SDK:** Programmatic access to your agents through a documented REST API and SDK for embedding answers into your own applications.
- **Deployment widgets and auto-sync:** Drop-in website widgets and help-center embeds, with scheduled auto-sync to keep website and connected sources up to date.

**Strengths:** Published, transparent pricing with a low-commitment 7-day trial instead of a mandatory sales call.; Strong emphasis on grounded, cited answers, which suits regulated or accuracy-sensitive industries.; Wide ingestion coverage including audio, video and podcast sources alongside conventional documents.; Multiple deployment paths — widget, embed, portal and API — so the same agent can serve customers and staff.

**Limitations:** Entry pricing is aimed at businesses; individuals and hobby projects will find it expensive.; Query and document limits on the Standard tier are modest, so heavy users will need to move up quickly.; White-labelling of the chatbot branding is not available on the cheapest plan.

[Profile (Markdown)](https://openaitools.app/tool/customgpt.md)

## Open WebUI

Open WebUI is an open-source, self-hosted interface for working with AI models. Instead of renting access to a single vendor's chatbot, you run the interface on your own hardware or cloud tenancy, then connect whatever models you want: local runtimes such as Ollama, OpenAI-compatible endpoints, Anthropic, or a mix of local and remote. Everything a team produces — conversations, prompts, models, skills and tools — stays in an environment you administer.

The platform has grown well beyond a chat window. Retrieval-augmented generation, web search, document understanding, voice input and output, and vision are built in, and Python tools, functions and pipelines let developers script custom behaviour and share it. On the operations side it offers enterprise features such as SSO, role-based access control, audit logs, data residency options, and on-premises, hybrid or fully air-gapped deployment for regulated environments. White-labeling and custom branding are also available for organizations that want their own look.

Open WebUI is distributed free of charge under an open-source license and can be installed with a single pip or Docker command, with no account required to get running. A separate enterprise offering is available for organizations that want commercial support, compliance guarantees and managed rollout help, which is quoted on contact. A large community maintains a public hub of prompts, models, tools and functions, so much of what teams need is already shared and ready to install.

**Pricing & Plans:** The core platform is free and open source, installable via pip or Docker with no account required. An enterprise tier with support, compliance and deployment assistance is quoted on contact.

- **Any Model, Any Endpoint:** Connect local runtimes like Ollama alongside OpenAI-compatible and Anthropic APIs, and switch between them inside one interface.
- **Retrieval and Search Built In:** RAG over your own documents, web search and citation-aware answers come standard, so responses are grounded in real sources.
- **Python Tools, Functions and Pipelines:** Extend the platform with Python code to add custom tooling, preprocessing, and multi-step pipelines, then share them with others.
- **Enterprise Controls:** SSO, RBAC, audit logs, data residency, and on-premises, hybrid or air-gapped deployment for organisations with strict requirements.
- **Community Hub:** Browse and install prompts, models, skills and tools contributed by hundreds of thousands of community members.

**Strengths:** Free and open source with no account needed to install; Works with local and cloud models through a single interface; Strong privacy posture: your data and models stay on your infrastructure; Extensive enterprise features including SSO, RBAC and audit logs

**Limitations:** Self-hosting requires you to handle servers, updates and backups; Some enterprise capabilities and support sit behind a paid, quote-based tier; Feature depth means a learning curve for non-technical administrators; Local model performance depends heavily on your own hardware

[Profile (Markdown)](https://openaitools.app/tool/open-webui.md)

## Frequently Asked Questions

### How do CustomGPT.ai and Open WebUI compare in monthly traffic?

CustomGPT.ai has 96,030 monthly visits, while Open WebUI has 804,534. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

CustomGPT.ai has a month-over-month growth rate of -16.5%; Open WebUI has -2.8%.

### How does pricing compare?

CustomGPT.ai: Freemium, Free Trial, Paid, Contact for Pricing. 7-day free trial on every plan. Standard is $99/month ($89/month billed annually) and Premium is $499/month ($449/month billed annually), with custom-priced Enterprise plans for larger deployments. Credit card payment on self-serve tiers; wire transfer and ACH available at the Enterprise level. Open WebUI: Freemium. The core platform is free and open source, installable via pip or Docker with no account required. An enterprise tier with support, compliance and deployment assistance is quoted on contact.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Ollama](https://openaitools.app/tool/ollama) | 9,421,973 | +4.3% | Free, Freemium, Paid | Functions primarily as a lightweight CLI runtime for local models rather than a full-featured chat interface. | [.md](https://openaitools.app/tool/ollama.md) |
| 2 | [n8n](https://openaitools.app/tool/n8n) | 4,522,449 | -7.4% | Freemium | Open-source workflow automation built for AI agents and technical teams | [.md](https://openaitools.app/tool/n8n.md) |
| 3 | [Hermes-Agent](https://openaitools.app/tool/hermes-agent-1) | 3,638,741 | -5.4% | Freemium | A free, open-source personal AI agent that learns your projects and works across every messaging app. | [.md](https://openaitools.app/tool/hermes-agent-1.md) |
| 4 | [Clawdbot (OpenClaw)](https://openaitools.app/tool/clawdbot) | 1,903,068 | -25.4% | Paid, Free | Open-source personal AI assistant that runs on your own machine and works from chat apps | [.md](https://openaitools.app/tool/clawdbot.md) |
| 5 | [Crisp](https://openaitools.app/tool/crisp-chat) | 1,408,646 | +1.5% | Free Trial, Paid, Contact for Pricing, Free | AI-first customer support platform with a shared inbox built in | [.md](https://openaitools.app/tool/crisp-chat.md) |
| 6 | [Dify](https://openaitools.app/tool/dify-ai) | 819,691 | -15% | Freemium | Specializes in visual workflow building and RAG pipelines rather than serving purely as a chat interface. | [.md](https://openaitools.app/tool/dify-ai.md) |
| 7 | [LobeHub](https://openaitools.app/tool/lobehub) | 654,548 | -25% | Freemium | Focuses on collaborative team AI workspaces and plugins, but shares similar open-source architectural goals. | [.md](https://openaitools.app/tool/lobehub.md) |
| 8 | [AnythingLLM](https://openaitools.app/tool/anythingllm) | 512,269 | +12.9% | Freemium | Focuses heavily on privacy-first document chat and local RAG pipelines, but offers fewer general-purpose chat UI features. | [.md](https://openaitools.app/tool/anythingllm.md) |
| 9 | [DocsBot AI](https://openaitools.app/tool/docsbot-ai) | 495,278 | -3.8% | Freemium | Custom AI agents trained on your documentation and knowledge base | [.md](https://openaitools.app/tool/docsbot-ai.md) |
| 10 | [LibreChat](https://openaitools.app/tool/librechat) | 346,879 | -3.5% | Free | Offers robust multi-provider support and advanced user permission management, but has a slightly different configuration setup. | [.md](https://openaitools.app/tool/librechat.md) |

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Source: https://openaitools.app/compare/customgpt-vs-open-webui

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