ide-completion tools positioned as replacements for GitHub Copilot. Open a matrix to compare side by side.
Visit GitHub CopilotOpen-source autonomous coding agent (formerly Claude Dev) shipped as a VS Code extension, CLI, and SDK; BYOK for any LLM, with file editing, command execution, error fixing, and MCP support.
AI-native code editor from the former Codeium team, built around the agentic 'Cascade' that understands whole-project context, edits across files, and runs terminal commands.
An AI-powered code completion tool and copilot featuring a 1-million-token context window and editor integration.
AFIT verdict
Supermaven is suitable for developers seeking a fast AI code completion tool with support for extremely large codebases due to its 1-million-token context window. It integrates directly into VS Code, JetBrains IDEs, and Neovim, and features a free tier. The catch is that advanced features like style adaptation, the largest models, and the full 1-million-token context window are restricted to paid tiers.
An AI coding assistant extension for VS Code that offers features such as autocomplete, chat, inline editing, and code generation using models like GPT-4o and Claude 3.5 Sonnet.
AFIT verdict
Double is an AI coding copilot that integrates with VS Code to provide autocomplete, inline editing, and chat features using state-of-the-art models. Developers looking for a performance-focused VS Code assistant may want to try it; however, the primary limitation is that it currently only supports VS Code.