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Gemini CLI vs Vellum

A side-by-side comparison of pricing, ratings, features, pros and cons.

Gemini CLI
Gemini CLIGeminicliOpen Source
Vellum
VellumVellumOpen Source
DescriptionAn open-source AI agent that brings the power of Gemini directly into your terminal.A personal AI assistant with persistent memory that takes real actions across the tools you already use.
Category
DeveloperGeminicliVellum
Verified StatusNoNo
Last UpdatedAug 2026Aug 2026
Pricing ModelOpen SourceOpen Source
Free PlanYesNo
Free TrialNo
Open SourceYesYes
API AccessNo
Features
Terminal-native AI assistant built on Gemini 3 for querying and editing large codebases
Generates application code from non-text inputs such as images or PDFs
Automates multi-step development workflows from the command line
Installs via a single npm global install command
Extensible through a browsable catalog of official extensions
Persistent memory across conversations and over time
Takes real actions: web browsing, file management, code execution, calendar management
Independent identity with its own email, GitHub, and Slack presence
Learns and automates repeatable workflows over time
Available on web, macOS, iOS, CLI, email, Telegram, and Slack
MIT-licensed runtime, self-hostable or Vellum Cloud
Tags
geminiopensourceagentbringspower
vellumpromptengineeringtestingdeploymentteams
Review Count00
Saves00
Views6312
Quality Score70/10041/100
Website StatusOnlineOnline
Websitegeminicli.comvellum.ai
Social Links1 linked4 linked
ScreenshotsYesNo
Pros
Free to use
Free to use

Who Should Choose Each Tool?

Choose Gemini CLI if:

  • Free to use

Choose Vellum if:

  • Free to use

Screenshots

Gemini CLIGemini CLI

Frequently Asked Questions

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