Best for Beginners

Amazon Q Developer

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Agentic AWS-aware coding assistant with IDE, CLI, and console coverage

Amazon Q Developer (formerly CodeWhisperer) is AWS’s generative AI assistant for coding, application upgrades, and cloud operations. It provides agentic chat in IDEs, the AWS Console, chat apps, and the CLI (upgradeable to the Kiro CLI) to accelerate coding, run secure code scans and tests, and transform Java/.NET applications with guided upgrade workflows. The perpetual Free tier includes 50 agentic requests and 1,000 lines of code transformations per month; Pro is $19/user/month with higher limits, pooled upgrade quotas, admin controls, and IP indemnity.

• ●Agentic chat and coding in IDEs with inline suggestions and repository-aware context
• ●CLI command completions and agentic workflows (Q Developer CLI users can upgrade to Kiro CLI)
• ●AWS Console assistant for troubleshooting, cost optimization, and architecture guidance

Bito AI

AI code completions, reviews, and chat for VS Code and JetBrains

Bito is an AI-powered coding assistant that provides code completions, agentic code reviews, and chat for developers. It offers intelligent autocompletions with multiple suggestions, codebase-aware reviews in pull requests and IDEs, and a versatile chat interface. Bito supports over 35 languages including Python, JavaScript, C++, Go, and SQL. It includes comment-driven coding where you describe functionality in comments and Bito generates code options. Bito is available as an extension for VS Code and JetBrains IDEs, with end-to-end encryption, no code storage or model training, and SOC 2 Type II certification.

• ●AI code completions with multiple suggestions
• ●Agentic code reviews in PRs and IDEs
• ●Codebase-aware review with custom rules

Blackbox AI

AI code completion and autonomous coding agent for developers

Blackbox AI is an AI coding assistant that provides code completion, generation, and autonomous agent capabilities. It integrates with VS Code and offers code autocomplete across many languages, code generation, explanation, and commit message suggestions. Blackbox can run as a coding agent that builds, tests, and deploys code, with support for browser, VS Code, CLI, IDE, and desktop interfaces. It provides access to many AI models for chat, code, and related tasks.

• ●Code completion and autocomplete across many languages
• ●Code generation, explanation, and improvement suggestions
• ●Commit message generation

Bolt.new

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AI web and app builder with tokens-based plans, hosting, and databases

Bolt.new is an AI-powered builder from StackBlitz that generates and edits production-grade web/apps in the browser. It provides hosted previews, databases, auth, custom domains, and team controls. Pricing is token-based: Free (300K/day, 1M/month), Pro (starts at 10M/month), Teams ($30/member/month), and Enterprise with SSO/audit/security. Built on WebContainers with live previews and deploys via Bolt Cloud.

• ●Generate and iteratively edit apps/sites with AI in the browser
• ●WebContainers-based workspace with live preview and package management
• ●Hosting, databases, auth, SEO, and custom domains via Bolt Cloud

Cline

Open-source autonomous AI coding agent for VS Code with plan-and-act workflows

Cline is an open-source AI coding agent that runs as a VS Code extension. Originally released as Claude Dev, it reads codebases, creates and edits files, runs terminal commands, and can automate browser interactions with user approval at each step. Cline supports plan mode for analysis without changes and act mode for executing edits. It works with any LLM provider including Anthropic Claude, OpenAI, Google Gemini, AWS Bedrock, Azure OpenAI, and local models via Ollama or LM Studio, with deep MCP support for custom tools.

• ●Plan mode: analyze requests and propose approaches without modifying files
• ●Act mode: execute changes with approval to prevent unintended rewrites
• ●Reads codebase, edits files, runs terminal commands, automates browser

Amp (formerly Cody)

Sourcegraph enterprise coding assistant (Amp/Cody)

Sourcegraph Cody/Amp is now positioned for enterprise customers. Public Free and Pro self-serve plans were discontinued in 2025; current access is enterprise-oriented with contact-sales onboarding.

• ●Agentic coding with multi-step edits
• ●Uses frontier models with auto tool use
• ●Sourcegraph code graph context for repos

Continue

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Open-source, model-agnostic AI coding assistant for VS Code and JetBrains

Continue is an open-source coding assistant that lets developers use their own models (OpenAI, Anthropic, local via Ollama/LM Studio) with custom prompts and workflows. It runs as a VS Code and JetBrains extension, supports chat and completions, and can be self-hosted or run fully local for privacy.

• ●Model-agnostic with BYO keys
• ●Open-source and customizable prompts/commands
• ●Local/offline support via Ollama or LM Studio

Cursor

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The AI-native code editor with $1B+ ARR, 25+ models, and background agents on dedicated VMs

Cursor is an AI-powered code editor built on a fork of VS Code by Anysphere, valued at $29.3B with over $1B in annual recurring revenue and 1M+ daily active users. It integrates AI directly into editing workflows with Supermaven-powered Tab autocomplete (sub-100ms latency), Composer for multi-file editing, and Agent mode for autonomous tasks. Cursor supports 25+ AI models including Claude Opus 4.5, Sonnet 4.6, GPT-5.2, and Gemini 2.5 Pro, and runs up to 20 concurrent background agents on dedicated AWS VMs for parallel development workflows.

• ●Supermaven-powered Tab autocomplete with sub-100ms latency and multi-line predictions
• ●Agent Mode (Cmd+L): conversational AI that reads, writes, and modifies files across your project
• ●Composer (Cmd+I): multi-file generation and editing from natural language

GitHub Copilot

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AI pair programmer built into GitHub and popular IDEs

GitHub Copilot delivers inline completions, chat, and pull request assistance with GitHub-native context across VS Code, Visual Studio, JetBrains IDEs, Neovim, GitHub.com, and Copilot CLI. Current plans include a free tier plus premium-request allowances on paid plans, with access to newer model families based on subscription level.

• ●Inline code completion in supported IDEs
• ●Copilot Chat with codebase and repository context
• ●Pull request summaries and code review assistance

Google Antigravity

Agentic development platform powered by Gemini for autonomous coding

Google Antigravity is an agentic development platform powered by Gemini 3, designed for an agent-first era where AI agents handle complex development tasks. It offers an Editor View for hands-on coding and a Manager Surface for orchestrating multiple agents asynchronously. Agents can plan and execute tasks across editor, terminal, and browser, with an artifacts system for deliverables like task lists, screenshots, and browser recordings. Antigravity connects to Google Cloud via MCP for data sources like BigQuery, Spanner, Cloud SQL, and AlloyDB.

• ●Autonomous agents that plan and execute across editor, terminal, browser
• ●Editor View for hands-on coding
• ●Manager Surface for orchestrating multiple agents asynchronously

Gemini Code Assist

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Google's AI coding assistant with Agent Mode, 1M token context, MCP support, and free individual tier

Gemini Code Assist is Google's AI coding assistant for VS Code and JetBrains IDEs. It features Agent Mode (launched July 2025) for autonomous multi-step coding within the IDE, 1M token context for understanding entire codebases, and MCP support for connecting to external tools. The free individual tier offers 6,000 code requests and 240 chat requests per day. Individual Pro pricing is $19.99/month, with Enterprise plans at $19/user/month through Google Cloud for governance, customization, and IP indemnification.

• ●Agent Mode (July 2025): autonomous multi-step coding within the IDE
• ●1M token context window for understanding entire codebases
• ●MCP support for connecting to external tools and data sources

JetBrains AI Assistant

Integrated AI coding assistance for JetBrains IDEs and VS Code

JetBrains AI Assistant brings AI-powered code completion, chat, and editing to JetBrains IDEs and, in preview, to VS Code. It supports cloud models like GPT-4.1, Claude 3.7 Sonnet, and Gemini 2.5 Pro, with improved RAG-based context and multi-file editing from chat. A free tier includes unlimited completion and local model support with limited cloud quotas. JetBrains AI Assistant also supports the Agent Client Protocol for bringing your own AI agents, and offers image attachments in chat for supported models.

• ●Code completion with multiline support for Java and C++
• ●AI chat with codebase context and image attachments
• ●Multi-file editing directly from chat

Mintlify

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Docs platform with AI assist, portals, and SSO for teams

Mintlify is a hosted documentation platform with AI-assisted writing, search, analytics, and developer portal features. It supports custom domains, SSO on higher tiers, and integrations with GitHub/GitLab. Pricing details are not fully public; plans are listed as Free/Pro/Enterprise with AI assistant and writing agent on paid tiers.

• ●Hosted docs with AI-assisted writing
• ●Search and analytics for docs
• ●Custom domains and branding

OpenAI Codex

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Cloud coding agent with 1M+ developers, Desktop App, and parallel sandboxed environments

OpenAI Codex is a cloud-based software engineering agent platform used by over 1M developers. Launched in May 2025 with a Desktop App added in February 2026, Codex spins up parallel sandboxed environments, reads your codebase, writes code, runs tests, and submits PRs autonomously. Powered by dedicated models including GPT-5.2-Codex and GPT-5.3-Codex optimized for code generation, it supports multi-file editing, automated testing, PR generation, and parallel task execution. The platform includes a macOS Desktop App with Xcode integration for Apple developers.

• ●1M+ developers using Codex for software engineering
• ●Parallel sandboxed environments: reads codebase, writes code, runs tests, submits PRs
• ●Desktop App for macOS with Xcode integration (February 2026)

Perplexity

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AI answer engine with real-time citations, Deep Research, and the Sonar API

Perplexity is an AI-powered answer engine that delivers real-time web search results with source citations on every response. Processing 780M monthly queries for 30M active users, it offers Quick and Pro search modes, Focus modes (Academic, Writing, Math, Video), and Deep Research for multi-step autonomous synthesis across dozens of sources. The Sonar API provides developer access to search-augmented AI at up to 1,200 tokens/second via a Cerebras partnership. Perplexity also ships Comet, a free AI-native Chromium browser, and Perplexity Computer, a full autonomous computer agent launched February 26, 2026.

• ●Real-time web search with source citations on every answer
• ●Deep Research for autonomous multi-step synthesis across dozens of sources
• ●Focus modes: Academic, Writing, Math, and Video

Firebase Studio (formerly Project IDX)

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Firebase Studio cloud IDE with Gemini-assisted development

Project IDX has been folded into Firebase Studio, an agentic browser IDE with Gemini in Firebase for coding, debugging, testing, and refactoring. The preview is no-cost with 3 workspaces per user; Google Developer Program members get 10 (Standard) or 30 (Premium). App Prototyping and Code Assist agents, built-in previews/emulators, Git imports, and App Hosting deployments are included; some Firebase services bill separately once linked to Cloud Billing.

• ●Agentic browser workspace with Gemini in Firebase chat and code actions
• ●App Prototyping agent to scaffold apps from text, sketches, or templates
• ●Import from GitHub/GitLab/Bitbucket or local; customize via Nix

Replit

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AI-first cloud IDE with Replit Agent, Core/Teams credits, and one-click app hosting

Replit is a browser-based IDE with Replit Agent for autonomous edits, chat, and code generation. Core and Teams plans bundle monthly credits for compute, databases, and AI. Build and deploy full-stack apps with connectors, auth, storage, and security scanning straight from the workspace—no setup required.

• ●Browser-based workspace with app hosting, DB, auth, storage, and security scanner
• ●Replit Agent for autonomous edits, chat, tests, and deploys
• ●One-click publish with bundled credits for compute and bandwidth

Roo Code

Open-source AI-powered autonomous coding agent for VS Code

Roo Code, formerly Roo Cline, is an open-source AI-powered autonomous coding agent that integrates into VS Code. It acts like a virtual dev team in your editor, with natural language communication, multi-file editing via diff-based changes, terminal command execution, and automated browser actions. Roo Code offers specialized modes for coding, debugging, and architecture, and is model-agnostic with support for any OpenAI-compatible or custom API. It requires user approval before executing automation. The extension includes a marketplace for community MCPs and Modes.

• ●Natural language communication with AI agent
• ●Multi-file editing with diff-based changes
• ●Terminal command execution and browser automation

Stenography

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AI code explanation via VS Code and Chrome extensions

Stenography explains code snippets in plain English from VS Code and Chrome. A passthrough API option minimizes code storage. Pricing on the public site is not listed as of this update; users sign in to access current limits and plans.

• ●Plain English explanations of code snippets
• ●VS Code extension
• ●Chrome extension

Supermaven

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Fast AI code completions with 1M-token context on Pro/Team

Supermaven delivers fast code completions and chat across VS Code, JetBrains, and Neovim. The Pro and Team tiers unlock a 1 million token context window, larger models, and monthly chat credits; Free includes core completions. Teams get centralized billing and user management.

• ●Ultra-fast code completions across large codebases
• ●1 million token context on Pro/Team
• ●Chat with GPT-4o, Claude 3.5 Sonnet, and other leading models

Tabnine

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Private AI coding assistant with free, pro, enterprise, and agentic tiers

Tabnine is an AI coding platform focused on privacy-first enterprise adoption with IDE completions, chat agents, and private deployment options (SaaS, VPC, on-prem, and air-gapped). Current public plans include Basic (free), Pro, Enterprise, and Agentic Platform, with support for organization-level controls, secure model routing, and customer-selected model providers.

• ●AI code completions and chat across major IDEs
• ●Workflow agents for tests, Jira tasks, and code review
• ●Org-aware context from Git, docs, Jira, and Confluence

Trae IDE

AI-powered code editor with real-time assistance and SOLO agent

Trae IDE is an AI-powered code editor from ByteDance that combines full IDE functionality with real-time AI assistance. It provides code editing, project management, extensions, and version control, plus AI chat for code explanations, documentation, error fixes, and suggestions. Trae IDE supports intelligent code generation from natural language and offers zero-to-production development. It integrates with GitHub and supports seamless migration from VS Code and Cursor. Built-in models include Claude 3.5 Sonnet, Claude 3.7 Sonnet, DeepSeek R1, and DeepSeek V3. The SOLO agent feature orchestrates browser, terminal, and editor for end-to-end development.

• ●Full IDE: editing, project management, extensions, version control
• ●Real-time AI chat for explanations, fixes, documentation
• ●Code generation from natural language

v0

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Generative UI builder with credits-based plans, Vercel deploys, and v0 Agent API

v0 by Vercel generates and edits React UIs from prompts with Tailwind/shadcn patterns, design mode, Figma import, GitHub sync, and one-click deploys to Vercel. Pricing is credits-based: Free ($5 monthly credits, 7 messages/day), Premium $20 with more credits and larger attachments, Team $30/user, Business $80/user with training opt-out, and Enterprise with SAML/SLAs. The v0 Agent API offers v0 Agent and v0-1.5 models with per-token pricing.

• ●Generate and refine React UIs from prompts
• ●Tailwind + shadcn patterns with responsive defaults
• ●Design Mode visual editing and GitHub sync

Windsurf

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AI-native IDE with Cascade agents and SWE model family

Windsurf is an AI-native IDE with Cascade agent workflows, Fast Context retrieval, and multi-file codebase operations. Following Cognition's 2025 acquisition of Windsurf/Codeium, the product remains focused on SWE-1.5/SWE-1 model-assisted development plus BYOK provider support (OpenAI, Anthropic, Google, xAI) for enterprise and individual teams.

• ●Cascade agentic chat for conversational coding
• ●Codebase indexing for personalized suggestions
• ●AI Codemaps for visual codebase exploration

Zed

High-performance Rust code editor with agentic AI and open-source edit prediction

Zed is a high-performance code editor built in Rust with integrated AI capabilities. It runs at 120fps with minimal latency and uses multiple CPU cores and GPU efficiently. Zed offers agentic editing where AI agents can search codebases, make changes, and write code with real-time review. It includes Zeta, an open-source language model for edit prediction, inline assistant for sending code to LLMs, and text-based chat. Zed supports Claude, OpenAI, Anthropic, Ollama, and other providers. It features native Git support, multiplayer collaboration, and is open-source under GPL v3.

• ●Agentic editing: AI agents search, edit, and write with real-time review
• ●Zeta: open-source edit prediction model
• ●Inline assistant: send code to LLMs for transformation