Best Gemini CLI Alternatives

Claude Code is a terminal-native agentic coding tool that plans, executes, and iterates on software development tasks. It operates by understanding entire codebases, managing file edits, running shell commands, and executing tests autonomously to solve complex development problems.

Codex CLI is an open-source, terminal-native coding agent powered by the codex-1 model that reads, edits, and manages codebases directly from your shell. It supports secure, sandboxed execution of long-running tasks, making it ideal for autonomous workflows like refactoring, bug fixes, and generating pull requests.

Amp is a multi-model coding agent from Sourcegraph that works in the terminal and VS Code. It supports shareable threads, MCP servers, custom skills, and an SDK for extending agent workflows.

Aider is a terminal-based AI pair programmer that integrates directly into your Git workflow to edit code, run tests, and commit changes. It uses a specialized repository map to provide context across large codebases while allowing users to choose their preferred LLM, including frontier and local models.

Goose is a general-purpose, open-source AI agent designed for complex automation, software engineering, and research tasks. It functions as a desktop app, CLI, and API, allowing users to chain tool calls, execute parallel subagents, and run workflows using portable YAML recipes.

Amazon Q Developer CLI is an AI-powered terminal assistant designed to help developers with AWS service configurations, CLI commands, and infrastructure management. It provides context-aware suggestions and natural language-to-bash translation, though it has been effectively succeeded by Kiro CLI.

Letta Code is a memory-first coding agent harness that provides persistent, stateful agents capable of learning from experience over long time horizons. Unlike session-based coding tools, it maintains an editable memory layer that persists across model swaps and multi-day coding sessions.

Qwen Code is a powerful, terminal-first AI coding agent forked from Google's Gemini CLI and optimized for the Qwen-Coder model series. It acts as a versatile developer companion capable of managing complex coding tasks, executing shell commands, and integrating with multiple model providers via a flexible API architecture.

Codebuff is an open-source, terminal-based AI coding agent that orchestrates specialized sub-agents to perform multi-file edits, codebase refactors, and test verification. It prioritizes deep project understanding by analyzing the entire codebase structure and dependencies to execute complex tasks in a single natural-language request.

OpenClaw is an open-source, self-hosted AI agent framework designed to function as a personal or team-based digital assistant. It acts as a trusted gateway that integrates with various AI models, messaging channels, and local tools to execute tasks, automate workflows, and manage files directly on a user's devices.

Command Code is a terminal-based AI coding agent that distinguishes itself through a continuous learning system called Taste, which observes your development patterns to personalize future code suggestions. It is designed to act as a robust coding harness that provides tool-call repair, session management, and flexible model routing.

Crush is a terminal-native AI coding agent designed to handle repository-wide tasks by executing shell commands, managing Git workflows, and refactoring code. It features a highly polished TUI and supports multiple LLM providers, allowing users to switch models mid-session while maintaining full context.

iFlow CLI is a terminal-based AI assistant designed to boost productivity by automating coding tasks, file operations, and complex workflows. It features a modular architecture supporting SubAgents, the Model Context Protocol (MCP), and multiple execution modes to balance autonomy and safety.

Kiro CLI is an agentic, terminal-native AI development tool that extends Kiro's spec-driven development and steering configurations to the command line. It integrates with the Model Context Protocol (MCP) to automate infrastructure tasks, debugging, and code analysis directly from the shell.

Lucinate is a terminal-native AI chat client designed for interacting with LLM backends such as OpenClaw, Hermes, or any OpenAI-compatible endpoint. It provides a TUI-based environment for streaming chat, managing multi-agent conversations, and executing shell commands without a web browser.

MCPJam is a comprehensive testing, debugging, and evaluation platform specifically built for the Model Context Protocol (MCP) ecosystem. It provides developers with an IDE-like interface to inspect server communication, conduct cross-client compatibility testing, and automate reliability gates in CI/CD pipelines.

Mistral Vibe is a unified AI agent platform that combines conversational chat and advanced coding automation. It features dedicated modes for autonomous multi-step work tasks and cloud-based coding sessions that run in isolated, persistent sandboxes.

Mux (also referred to as Xum) is a desktop and browser-based application designed for parallel, agentic development. It allows developers to run multiple AI coding agents simultaneously in isolated workspaces, supporting both local and remote execution.

Zencoder is an agentic coding platform that provides a suite of autonomous agents and the Zenflow orchestration engine to handle complex development tasks across entire repositories. It integrates directly into VS Code and JetBrains to perform multi-file edits, automated test generation, and spec-driven development with multi-model verification.

Neovate Code is an open-source, terminal-based AI coding agent designed to streamline development workflows by generating code, fixing bugs, and performing complex tasks. It features a highly extensible, Vite-inspired plugin architecture that allows developers to customize agents, slash commands, and tools without forking the core codebase.

AdaL is an agentic coding assistant for terminal, desktop, and browser that orchestrates specialized sub-agents to handle research, coding, and review. It distinguishes itself by tuning the harness around various frontier models to improve task recovery, autonomy, and cross-model orchestration.

Cline Kanban is a terminal-native, browser-based orchestration dashboard designed to manage multiple AI coding agents in parallel. It automates workflows by assigning each task to an isolated git worktree, enabling autonomous dependency chains and real-time diff reviews.

Parallel Code is a desktop workspace orchestrator that dispatches multiple AI coding agents in parallel by isolating each task in its own git worktree. It acts as a coordination layer for CLI-based agents, allowing you to run, review, and merge multiple AI-generated features simultaneously while keeping your preferred IDE and workflow intact.

Pi is a minimal, open-source terminal-based coding agent harness designed for deep extensibility rather than out-of-the-box feature density. It provides a lightweight core with four built-in tools (read, write, edit, bash) and a unified multi-provider API, allowing developers to customize workflows through TypeScript extensions, skills, and prompt templates.

Autohand ACP is a specialized adapter that allows the Autohand Code CLI to function as an Agent Communication Protocol (ACP) agent within compatible editors like Zed. It bridges the CLI's terminal-based capabilities with modern IDE interfaces to provide persistent, context-aware AI coding assistance.

Crow CLI is a stateful, ACP-native coding agent designed to run in your terminal or inside ACP-compatible editors like Zed. It integrates directly with a persistent memory service, allowing agents to recall past conversations, delegate tasks, and perform complex coding workflows.

Fast Agent is an MCP-native Python framework designed for rapidly building, testing, and deploying multimodal AI agents and workflows. It leverages the Model Context Protocol (MCP) as its core interface, enabling seamless integration with external tools, data sources, and diverse LLM providers.

Minion Code is an enhanced AI code assistant built on the Minion framework, designed specifically for software development tasks. It functions as a pre-configured agent that streamlines coding workflows by automating file operations, command execution, and code-based reasoning.

Nova is an AI-powered, terminal-first development assistant designed for planning, editing, verifying, and shipping software. It features deep codebase understanding, guarded execution for safe operations, and multi-model support, allowing developers to manage entire workflows directly from their command line.

pi-acp is an adapter that bridges the Agent Client Protocol (ACP) with the pi coding agent. It allows users to run the pi coding agent within ACP-compatible editors like Zed by communicating via JSON-RPC 2.0 over stdio.

Stakpak is an open-source, security-hardened DevOps agent designed to run autonomously on your infrastructure 24/7. It handles tasks like infrastructure deployment, incident investigation, and routine maintenance while using secret substitution and network-level guardrails to prevent unauthorized or destructive operations.

OpenCode is a model-agnostic, open-source AI coding agent that runs in the terminal, desktop, and IDE. It enables developers to swap between 75+ LLM providers to maintain control over costs, privacy, and performance.

Antigravity CLI is a lightweight, terminal-based interface for interacting with Google's agentic AI models. It enables developers to perform multi-step reasoning, multi-file editing, and parallel agent orchestration directly from the command line.

Nanocoder is a terminal-based, local-first coding agent built by a community collective that prioritizes privacy and transparency. It allows developers to integrate local models via Ollama or connect to various cloud-based APIs while maintaining full control over their codebase and development environment.

Prompt Architects is a web-based platform and browser extension that transforms vague user inputs into structured, AI-optimized instructions for models like ChatGPT, Claude, and Gemini. By utilizing a specialized prompt engineering system, it enables users to generate reliable, deterministic outputs for text, image, and video generation.

AI Badger is a local-first codebase context extraction tool designed to provide precise, token-efficient snippets to any LLM chat interface. It eliminates token waste by allowing users to map their local repository and extract only the relevant code needed for specific tasks, reviews, or debugging sessions.

AgentBox is a development platform that teleports local projects into isolated, ephemeral Linux environments to safely run multiple coding agents in parallel. It provides a full computer experience—including persistent shells, browsers, and VS Code/Cursor IDE integration—while keeping sensitive host credentials secure.

Oh My Pi (omp) is a powerful, terminal-native AI coding agent built as a fork of Pi. It features a high-performance Rust core and an advanced tool harness that integrates Language Server Protocol (LSP) and Debug Adapter Protocol (DAP) capabilities directly into the agent's workflow.

Grok Build is a terminal-based AI coding agent designed for professional software engineering, featuring a unique parallel-processing architecture. It utilizes an inspectable, open-source harness to manage tasks by spawning multiple subagents that operate in isolated Git worktrees.

BitFun is a high-performance, open-source desktop AI agent workspace built on a Rust runtime. It distinguishes itself by generating interactive Mini Apps for tasks and providing a deep, self-improving foundation for coding, office productivity, and desktop automation.

DeepSeek Harness (dsh) is an open-source, plugin-based agent runtime that provides the infrastructure—including tools, sessions, sandboxes, and loops—required to transform raw language models into functional coding agents. Built on the Cordis meta-framework, it treats every component as a swappable plugin, allowing developers to customize or replace any part of the agent's environment without forking the source code.

Atomic Agent is a local-first, open-source operator agent runtime that runs locally on your machine to automate desktop tasks. It uses llama.cpp for local inference, supports GBNF-constrained tool calling, and manages state through a SQLite-backed memory system.

Kane CLI is an AI-driven browser automation tool that allows developers and AI coding agents to perform end-to-end testing using natural language objectives. It drives a real Chrome browser to navigate, interact with elements, and validate outcomes without requiring brittle selectors or manual framework boilerplate.

Caveman Code is a terminal coding agent designed for token efficiency through a multi-layer compression engine. It functions as a provider-agnostic coding harness that integrates with over 20 LLM providers via OAuth or API keys.

Sillage is a gradient-free memory tool for frozen language models that provides persistent learning in a fixed-size memory footprint. It utilizes Hebbian matrices, a semantic tier, and rank-16 adapters to allow models to learn from new text without fine-tuning or growing index stores.

MathCode is a terminal-based AI coding assistant designed to formalize plain-language mathematical problems into Lean 4 theorems and attempt machine-verified proofs. It features a persistent Lean REPL for rapid verification and accumulates successful proofs into a reusable library, functioning as an evolving knowledge base for formal mathematics.

fx is a tiny, native coding agent harness written in Zig that focuses on minimalism, performance, and embeddability. Designed to function like a Unix component rather than a heavy IDE, it operates via an approval-gated agent loop and supports custom skills, MCP tools, and subagents.

Zero is an AI coding agent for the local terminal that gives users complete ownership of their environment, configuration, and session data. It supports a wide array of LLM providers and operates with a focus on local file control and robust security, including a read-only planning mode.

Headlong is an open-source agent microharness designed for persistent agency, where AI agents maintain a continuous, self-guided inner monologue loop instead of reacting only to external prompts. Built using under 10,000 lines of Bash, it enables agents to autonomously manage projects, set priorities, and execute shell commands to perform tasks around the clock.

OB-1 is an open-source, terminal-based coding agent that automates software development by editing code, running test suites, and self-correcting until all checks pass. It features persistent project memory and a multi-agent routing system that works with both free, keyless models and premium frontier models.

Xirp is a macOS desktop app by Spotify that manages multiple AI coding agent sessions (Claude Code, Gemini CLI, Codex) in parallel using git worktrees, with optional integration to Spotify Portal for organizational context and institutional memory.

Kolkrabbi is a Go single-binary terminal coding agent that runs any OpenRouter model, local models via Ollama/vLLM, or OpenAI-compatible endpoints, and can drive Claude and ChatGPT CLIs as subprocesses without holding credentials.

YYLO is an open-source command-line orchestrator for AI coding agents, enabling structured development workflows, bounded agent loops, validation evidence, and guarded Git delivery across multiple model providers.