The Best AI IDEs & App Builders in 2026.
Compare modern AI code editors, generative UI tools, agentic CLI coding assistants, and full-stack app builders. Filter by supported models (Claude 3.5/3.7, GPT-4o, DeepSeek), free tiers, and capabilities.
Price:
Tool / Editor | Type & Platform | Supported Models | Free Tier | Pricing | Best For | Action |
|---|---|---|---|---|---|---|
CursorTop Pick AI IDE | Desktop (macOS, Windows, Linux) | Claude 3.5/3.7 Sonnet, GPT-4o, o1, DeepSeek V3/R1 | 14-day Pro trial + 50 slow requests/mo | $20/mo | Gold standard AI-first VS Code fork with deep multi-file Composer agent & instant codebase indexing | Visit |
Windsurf (by Codeium) AI IDE | Desktop (macOS, Windows, Linux) | Cascade Flows (Claude 3.5 Sonnet, GPT-4o, proprietary SWE models) | Generous Free Tier with daily credits | $15/mo | Agentic Cascade flows with real-time codebase indexing, automated file sync & super-fast completions | Visit |
Trae AI IDE | Desktop (macOS, Windows) | Claude 3.5 Sonnet & GPT-4o | 100% Free during preview preview period | Free (Preview) | Feature-packed free AI IDE with Claude 3.5 Sonnet & GPT-4o built in, offering dedicated Builder agent mode | Visit |
Zed AI IDE | Desktop (macOS, Linux, Windows in Preview) | Anthropic Claude, OpenAI, Ollama (BYOK) | Open Source / Free with BYOK | Free / Optional Anthropic/OpenAI keys | Lightning-fast Rust-based GPU editor with integrated AI assistance, multi-buffer editing and zero input latency | Visit |
Google AntigravityTop Pick AI IDE | Desktop IDE (macOS, Windows, Linux) + CLI | Gemini 2.5 Pro/Flash, Claude 3.7 Sonnet, GPT-4o | Free tier with Google Gemini credits | Free / Usage-based | Next-gen agent-first IDE with multi-agent orchestration, sandboxed terminal execution, browser testing & MCP tool support | Visit |
Kiro AI AI IDE | Desktop (macOS, Windows, Linux) + Web & CLI | Claude 3.7 Sonnet, AWS Bedrock Models, GPT-4o | Free preview with daily AI credits | Free (Preview) | Spec-driven development (SDD) converting prompts into executable architectures, specs, and property-tested code | Visit |
Claude CodeTop Pick Terminal Agent | Terminal / CLI (macOS, Linux, WSL) | Claude 3.7 Sonnet (Hybrid Reasoning) & 3.5 Sonnet | Anthropic API pay-as-you-go | Usage-based (Anthropic API tokens) | Command-line terminal pair programmer for developers who love CLI workflows, fast multi-file refactoring & git automation | Visit |
GitHub Copilot Extension | VS Code, JetBrains, Visual Studio, Neovim | Claude 3.5 Sonnet, GPT-4o, o1, Gemini 1.5 Pro | Free tier with 2,000 completions/mo + 50 chat requests | $10/mo | Seamless IDE & GitHub ecosystem integration with multi-model Copilot Edits and multi-repo knowledge bases | Visit |
Void AI IDE | Desktop (macOS, Windows, Linux) | Any LLM via BYOK (Claude 3.7, GPT-4o, Ollama, DeepSeek) | 100% Free & Open Source | Free / BYOK | Open-source, privacy-first VS Code fork that sends prompts directly to model providers with zero data retention | Visit |
Augment Code AI IDE | VS Code, JetBrains & Neovim | Augment Context Engine (Claude 3.7 Sonnet & proprietary SWE models) | Free trial for developers & engineering teams | Usage / Enterprise tiers | Deep multi-repository context understanding and large enterprise codebases where standard AI assistants lose track of types and APIs | Visit |
Sourcegraph Cody Extension | VS Code, JetBrains & Web | Claude 3.5/3.7 Sonnet, GPT-4o, Gemini 1.5 Pro | Free tier with monthly AI completions | $9/mo (Pro) / Enterprise | Codebase-scale semantic search and context navigation powered by Sourcegraph’s code intelligence graph | Visit |
Aider Terminal Agent | Terminal / CLI (Python package) | BYOK (Claude 3.7 Sonnet, DeepSeek R1, GPT-4o, Local Ollama) | Open Source (Free tool, pay only model tokens) | Free / Open Source | Terminal pair programming directly inside your local git repository with automatic structured git commits | Visit |
Continue.dev Extension | VS Code & JetBrains Extension | Any LLM (Ollama, LM Studio, Anthropic, OpenAI, Mistral) | 100% Free & Open Source (Apache 2.0) | Free / BYOK | Open-source privacy-first assistant for VS Code/JetBrains with complete flexibility to connect local or cloud LLMs | Visit |
Kimi Code Terminal Agent | Terminal / CLI + VS Code, Cursor & JetBrains | Kimi K3 (1M Context Window) | Free tier with daily token quota | Free / Token usage | Long-horizon software engineering and enterprise-scale multi-file refactoring powered by a 1-million-token context window | Visit |
Firebase Studio (Project IDX) AI IDE | Web Browser (Cloud Workspaces) | Gemini Code Assist | 100% Free during preview | Free (Preview) | Cloud-based full-stack & multiplatform app development with integrated web and Android/iOS emulators powered by Gemini | Visit |
v0 by Vercel Generative UI | Web Browser | Claude 3.5 Sonnet, GPT-4o & Vercel Design LLMs | 200 free credits/month | $20/mo | Rapid generative UI prototyping with React, Tailwind CSS, shadcn/ui and instant 1-click Vercel deploy | Visit |
Lovable Full-Stack App Builder | Web Browser | Claude 3.5/3.7 Sonnet | Free trial credits on signup | $20/mo | Building & deploying full-stack web applications with Supabase database, auth, and backend from conversational prompts | Visit |
Bolt.new Full-Stack App Builder | Web Browser (WebContainers) | Claude 3.5 Sonnet, DeepSeek, GPT-4o | Free tier with daily prompt tokens | $20/mo | Zero-setup in-browser full-stack development running live Node.js, Vite, and npm servers in WebContainers | Visit |
Replit Agent Full-Stack App Builder | Web Browser + Mobile App | Claude 3.5 Sonnet & OpenAI models | Free basic Replit cloud workspace | $25/mo (Replit Core) | End-to-end autonomous idea-to-cloud deployment with zero local software installation or server config required | Visit |
Google AI Studio Full-Stack App Builder | Web Browser (Cloud Playground & API) | Gemini 2.5 Pro, 2.5 Flash, Gemini Flash-Lite | Generous Free Tier (up to 15 RPM / 1M TPM free) | Free (Pay-as-you-go above limits) | Rapid multimodal AI prototyping, system prompt testing, 2M+ token context testing, and 1-click code export | Visit |
Vercel AI SDK Generative UI | TypeScript / Node.js & React Frameworks | Universal provider: OpenAI, Anthropic, Gemini, Mistral, Groq, Ollama | 100% Free & Open Source | Free / Open Source | Production TypeScript toolkit for streaming AI responses, Generative UI widgets, tool calling, and multi-provider switching | Visit |
OpenAI Codex Terminal Agent | Terminal CLI, Desktop App, IDE Extension & Cloud | OpenAI o1, o3-mini, GPT-4o & ChatGPT models | Included in ChatGPT Free for light tasks | $8/mo (Go) / $20/mo (Plus) | ChatGPT subscribers who want one agent spanning local terminal CLI, editor extensions, and cloud sandbox tasks | Visit |
Devin Full-Stack App Builder | Cloud Sandbox, Desktop (Devin Desktop) & CLI | Cognition SWE models, Claude 3.7 Sonnet, GPT-4o | Light agent quota with limited models | $20/mo (Pro) | Delegating well-scoped tickets and feature requests that come back as verified GitHub pull requests | Visit |
Gemini CLI Terminal Agent | Terminal / CLI (macOS, Linux, Windows) | Gemini 2.5 Pro & Flash | 60 requests/min, 1,000 requests/day with Google login | Free / Pay-as-you-go | The most generous free tier terminal pair programmer with Google’s massive 1-million-token context window | Visit |
Cline Extension | VS Code, Cursor & CLI | BYOK: Claude 3.7 Sonnet, GPT-4o, DeepSeek R1, Bedrock, Ollama | 100% Free & Open Source (pay only model tokens) | Free / BYOK | Autonomous pair programming with Plan & Act modes, human-in-the-loop control, and Model Context Protocol (MCP) | Visit |
OpenCode Terminal Agent | Terminal, Desktop App & IDE Extension | 75+ providers, local models, or link Copilot / ChatGPT Plus | 100% Free & Open Source tool (includes select free models) | Free / BYOK | Reusing your existing model subscriptions (GitHub Copilot, ChatGPT Plus) or API keys in an open-source terminal TUI | Visit |
Warp Terminal Agent | Desktop Terminal App (macOS, Linux, Windows in preview) | Claude 3.7 Sonnet, GPT-4o, Gemini 2.5, xAI & BYOK | Free terminal & agent with your own AI keys | $20/mo (Build) | A modern GPU-accelerated agentic terminal with built-in AI debugging, Oz cloud agents, and team-shared workflows | Visit |
Kilo Code Extension | VS Code, JetBrains & CLI | 500+ models across 60+ providers + local models | Free with Auto Free routing to free models or BYOK | Free / $19/mo (Kilo Pass) | One agent across VS Code and JetBrains with free model auto-routing and zero-markup access to 500+ LLMs | Visit |
Amp Terminal Agent | Terminal CLI + Cloud Orbs (Sandboxed VMs) | Claude 3.7 Sonnet, GPT-4o & BYOK / ChatGPT/Claude login | Hobby tier with all features (BYOK or link ChatGPT/Claude) | $20/mo (Individual, 45,000 orb minutes) | Coding agents that run unattended in sandboxed cloud VMs (orbs), easily reviewed from any device | Visit |