Free / Open-sourceFunctions primarily as a lightweight CLI runtime for local models rather than a full-featured chat interface.
#1GPUPerHour records 28,718 monthly visits with +25.3% month-over-month growth and Free pricing. Open WebUI records 804,534 monthly visits with -2.8% growth and Freemium pricing.

Live cloud GPU price comparison across 31 providers
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | gpuperhour.com | openwebui.com |
| Pricing Model | Free | Freemium |
| Monthly Visits | 28.72K (28,718) | 804.53K (804,534) |
| MoM Traffic Delta |
| +5.8K (+25.3%) |
| -23.01K (-2.8%) |
| Primary Market & Share | 🇺🇸 United States (24.9%) | 🇺🇸 United States (24.5%) |
|---|
| Direct Visits / mo | 11.4K | 299.84K |
|---|
| User Rating | 4.4 | 4.4 |
|---|
| Supported Platforms | Website | Website |
|---|

Live cloud GPU price comparison across 31 providers
Every tracked offer is normalised to a price per GPU-hour and shown with its provider, pricing type and security tier.
A market snapshot highlights the lowest current secure on-demand price for each popular GPU model, from H100 and H200 to RTX 4090.
Historical catalog averages and downloadable daily data let you see how pricing for a given GPU has moved over the last 30 days.
Practical articles cover comparing like-for-like GPUs, choosing by VRAM, estimating the full bill with storage and egress, and renting by the hour.

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.
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.

Free / Open-sourceDiscover and share Model Context Protocol servers for AI agents and coding tools
SpecialistOpen-source AI automation that unifies agents, flows and 770+ app integrations
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.
Free / Open-sourceDiscover and share Model Context Protocol servers for AI agents and coding tools
SpecialistOpen-source AI automation that unifies agents, flows and 770+ app integrations
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