Open WebUIvsGoogle Antigravity

Full side-by-side comparison — features, pricing, platforms, and which one wins in 2026.

Open WebUI

Chat Interfaces

Beautiful self-hosted ChatGPT-like interface for any LLM

Full review →Website ↗

Google Antigravity

Coding Assistants

Featured

Google agent-first coding platform with Antigravity 2.0 and Antigravity CLI

Full review →Website ↗
FeatureOpen WebUIGoogle Antigravity
CategoryChat InterfacesCoding Assistants
PricingFree (open-source)Free access; higher capacity via Google AI Pro, Google AI Ultra, and enterprise access
GitHub Stars
✓ More stars
65k
—
PlatformsmacOS, Linux, Windows, DockermacOS, Windows, Linux, Web
Key Features
  • ✓ Ollama integration
  • ✓ Multi-model
  • ✓ RAG
  • ✓ Web search
  • ✓ Voice input/output
  • ✓ Plugins
  • ✓ User management
  • ✓ Antigravity 2.0 desktop app
  • ✓ Antigravity CLI
  • ✓ Subagents
  • ✓ Asynchronous background tasks
  • ✓ Skills and plugins
  • ✓ Hooks
  • ✓ MCP server support
  • ✓ Chrome and web-search interaction
  • ✓ Gemini CLI migration
Pros
  • + Feature-rich ChatGPT alternative
  • + Supports Ollama + OpenAI APIs
  • + Document upload and RAG
  • + Multi-user with auth
  • + Very active development
  • + Official Google agent-first development platform
  • + Desktop and terminal surfaces share the same agent harness
  • + Supports parallel subagents and asynchronous workflows
  • + Supports skills, plugins, hooks, and MCP servers
  • + Direct migration path for Gemini CLI users
Cons
  • − Requires Docker for easy setup
  • − Can be slow with large documents
  • − Plugin ecosystem still growing
  • − Resource intensive
  • − Gemini CLI consumer and free access migrates to Antigravity on June 18, 2026
  • − Not all Gemini CLI features have exact one-to-one parity at launch
  • − Pricing and capacity depend on Google account or enterprise access
  • − Autonomous agent changes still require review and permission controls
Tags
open-sourcechatuiollamaself-hosted
googleantigravitycodingagenticclidesktopsubagentsmcpskills

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