Best AI IDE Copilots of 2026

Code Arena

arena.ai

#1

Side-by-side arena to compare AI coding models and build multi-file apps, with a public leaderboard and battle mode.

BlackBox AI

blackbox.ai

#2

AI coding platform routing many agents and models through one encrypted, usage-based endpoint with CLI, IDE and multi-agent execution.

Windsurf Editor

windsurf.com

#3

AI-powered code editor with agentic workflows for developers.

Trae

trae.ai

#4

Trae AI-powered IDE for developer collaboration; notable ByteDance-backed dev product.

Continue

continue.dev

#5

Open-source AI coding assistant offering autocomplete and chat in IDEs; the company was acquired by Cursor.

Gemini Code Assist

codeassist.google

#6

Google's AI coding assistant for code completion, generation, chat and review across IDEs and GitHub.

Aider

aider.chat

#7

Open-source terminal AI pair programmer that edits code in your local git repo and auto-commits, working with most LLMs.

CodeGPT

codegpt.co

#8

IDE coding assistant for VS Code and JetBrains that uses your own API keys across 15+ model providers, with agentic mode and autocomplete.

Cody

sourcegraph.com

#9

Enterprise AI coding assistant that pulls context from an entire codebase to power chat, code edits and debugging.

Workik

workik.com

#10

AI coding assistant that gathers project context to plan, generate, test and ship code across the SDLC via IDE and chat integrations.

Pieces for Developers

pieces.app

#11

An on-device developer memory tool that auto-captures code, docs and context across apps so engineers can search and reuse it later.

Refact AI

refact.ai

#12

Open-source, self-hostable AI coding agent with autocomplete, in-IDE chat and autonomous task execution for teams needing data control.

Supernova.io

supernova.io

#13

Design-system platform that packages tokens, code components, and rules into scoped context for AI coding agents.

MarsCode

marscode.com

#14

AI-powered IDE with code completion, generation, explanation and debugging, plus a cloud dev environment, for developers.

PseudoEditor

pseudoeditor.com

#15

Free browser-based pseudocode editor and compiler with exam-board syntax modes, aimed at computer science students and teachers.

PearAI

trypear.ai

#16

Open-source AI code editor that routes coding tasks to top-performing models and includes an agent for building and fixing projects.

ExcelMaster.ai

excelmaster.ai

#17

AI agent inside Excel that writes and runs VBA or Python to automate multi-step spreadsheet tasks, with backups and audit logs.

Firebender

firebender.com

#18

AI assistant for Android Studio and sales lead qualification.

Sweep AI

sweep.dev

#19

AI coding assistant plugin for JetBrains IDEs offering an autonomous coding agent plus fast tab-based autocomplete.

RightNow AI

rightnowai.co

#20

AI-powered CUDA code editor with GPU profiling, kernel optimization and emulation for Nvidia hardware developers.

CodeMate AI

codemate.ai

#21

On-device-capable AI SDLC agent that builds apps from prompts/Figma, reviews PRs and codes in your IDE for developers and non-developers.

Leetcode Wizard

leetcodewizard.io

#22

Invisible desktop app that feeds AI answers to LeetCode-style questions during coding interviews; raises clear ethics concerns.

CodeBanana

codebanana.com

#23

Real-time collaborative coding platform with AI, VMs, and team sync.

WPTurbo

wpturbo.dev

#24

AI-assisted code snippet generator and library for WordPress developers who want to avoid installing extra plugins for common features.