Free / Open-sourceFunctions primarily as a lightweight CLI runtime for local models rather than a full-featured chat interface.
#1Open WebUI records 804,534 monthly visits with -2.8% month-over-month growth and Freemium pricing. Received AI records 0 monthly visits with -100% growth and Paid, Contact for Pricing pricing.

B2B billing and revenue management for complex contracts
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | openwebui.com | received.ai |
| Pricing Model | Freemium | Paid, Contact for Pricing |
| Monthly Visits | 804.53K (804,534) | 0 (0) |
| MoM Traffic Delta |
| -23.01K (-2.8%) |
| -1.48K (-100%) |
| Primary Market & Share | 🇺🇸 United States (24.5%) | 🌐 Global (—) |
|---|
| Direct Visits / mo | 299.84K | 0 |
|---|
| User Rating | 4.4 | 4.1 |
|---|
| Supported Platforms | Website | Website |
|---|

Self-hosted AI workspace for local and cloud models
Connect local runtimes like Ollama alongside OpenAI-compatible and Anthropic APIs, and switch between them inside one interface.
RAG over your own documents, web search and citation-aware answers come standard, so responses are grounded in real sources.
Extend the platform with Python code to add custom tooling, preprocessing, and multi-step pipelines, then share them with others.
SSO, RBAC, audit logs, data residency, and on-premises, hybrid or air-gapped deployment for organisations with strict requirements.

B2B billing and revenue management for complex contracts
Automate invoicing for bespoke multi-year enterprise contracts with varied products and pricing models, replacing manual spreadsheet processing.
Embed Received into your own website to manage self-led customers and auto-charge self-serve contracts without engineering work.
Handle referral and reseller billing, automate partner fees and sales commissions, and monitor partner activity and top-line contributions.
Go beyond subscription RevRec with support for usage, milestones, and price allocation across complex contracts.
Free / Open-sourceFunctions primarily as a lightweight CLI runtime for local models rather than a full-featured chat interface.
#1SpecialistOpen-source workflow automation built for AI agents and technical teams
SpecialistA free, open-source personal AI agent that learns your projects and works across every messaging app.
#3
SpecialistOpen-source personal AI assistant that runs on your own machine and works from chat apps

SpecialistSpecializes in visual workflow building and RAG pipelines rather than serving purely as a chat interface.

Free / Open-sourceFocuses on collaborative team AI workspaces and plugins, but shares similar open-source architectural goals.
SpecialistFocuses heavily on privacy-first document chat and local RAG pipelines, but offers fewer general-purpose chat UI features.

Free / Open-sourceOffers robust multi-provider support and advanced user permission management, but has a slightly different configuration setup.
Free / Open-sourceDelivers a desktop-native application for running local models offline easily, but lacks Open WebUI's server-centric multi-user features.
SpecialistOpen-source AI automation that unifies agents, flows and 770+ app integrations
Applied AI and deal software for professional and financial services firms
Free / Open-sourceActs as a local server supporting multiple modalities, but requires separate frontend configuration for chat interactions.
Free / Open-sourceFunctions primarily as a lightweight CLI runtime for local models rather than a full-featured chat interface.
SpecialistOpen-source workflow automation built for AI agents and technical teams
SpecialistA free, open-source personal AI agent that learns your projects and works across every messaging app.
SpecialistOpen-source personal AI assistant that runs on your own machine and works from chat apps
SpecialistSpecializes in visual workflow building and RAG pipelines rather than serving purely as a chat interface.
SpecialistFocuses heavily on privacy-first document chat and local RAG pipelines, but offers fewer general-purpose chat UI features.
Free / Open-sourceOffers robust multi-provider support and advanced user permission management, but has a slightly different configuration setup.
Free / Open-sourceDelivers a desktop-native application for running local models offline easily, but lacks Open WebUI's server-centric multi-user features.
SpecialistOpen-source AI automation that unifies agents, flows and 770+ app integrations
Applied AI and deal software for professional and financial services firms
Free / Open-sourceActs as a local server supporting multiple modalities, but requires separate frontend configuration for chat interactions.