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Fuxi

Fuxi is a terminal-based AI coding agent that reads and edits code, runs commands and operates developer tools. It offers cost-aware routing across LLM providers and automatic failover, with access to Fuxi-managed models after sign-in or the option to configure a provider API key. The project says it is built in Go and distributed as a static binary without runtime dependencies; its product source is proprietary.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Fuxi — OpenViST project profile in Coding Agents.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Fuxi when a coding task involves inspecting or changing a project and running commands from a terminal, and you can sign in with a Fuxi account.

Who it is for

  • Developers who want an AI agent to work with code and run commands from a terminal.
  • Users who want to choose between Fuxi-managed models and a provider configured with their own API key.

Documented uses

  • Ask an agent to inspect code and edit project files.
  • Use a coding prompt to request a task such as fixing failing tests.
  • Run commands and operate developer tools within a terminal session.
Before you choose

Requirements & limits

A Fuxi account is required. The README lists installers for macOS, Linux and Windows. The product source is proprietary.

  • Choose whether to use Fuxi-managed models after sign-in or configure your own provider API key.
  • Sensitive tool calls require approval by default; bypass-permission modes are documented for use only in a container or virtual machine.
  • The README says sessions and related local data are stored on the device. Code and conversations go to the selected provider when using your own key; conversation content is sent to Fuxi only if send_conversations is e

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install Fuxi and start an authenticated session

Install the terminal agent, check the environment and begin a session.

Before you start

  • A supported terminal on macOS, Linux or Windows.
  • A Fuxi account; registration and sign-in are required.

Steps

  1. Use the documented installer for your platform: the bootstrap script on macOS or Linux, or the PowerShell or CMD installer on Windows.

  2. Run fuxi --version and fuxi doctor to check the installation and environment.

  3. Start Fuxi with fuxi, then register and sign in using fuxi login.

Expected outcome

An authenticated Fuxi terminal session is ready for a coding prompt.

Guide limitations

  • The guide documents installation and session startup, not a tested result for any particular project or command.
  • Use of a model requires either access to Fuxi-managed models through sign-in or a separately configured provider API key.
Documentation 1 ↗
COMPARE OPTIONS

Compare options for AI coding assistance

These projects document a common task and share a project role. This is a source-based comparison, not an execution benchmark or a guarantee of interchangeability.

ProjectDocumented purposePlatformAccess and requirements
FuxiAsk an agent to inspect code and edit project files.CLIA Fuxi account is required. The README lists installers for macOS, Linux and Windows. The product source is proprietary.
LlmcodeInspect a project's directory structure with `/tree`.CLIThe documented setup requires an API key and supports an API base URL and model setting. The project is open source under Apache-2.0.
Klaat CodeOpen a project directory for terminal-based coding assistance.CLI, ServerThe README provides a global npm installation command and documents browser sign-in with a KlaatAI account. It also identifies the repository as open source under Apache 2.0.
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
15 October 2026
Original website title
fuxicodex/Fuxi · Official homepage title · retained in its source language
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