AI for Coding and Development: A Complete Comparison

Just a few years ago, "AI in programming" meant smarter autocomplete: the editor guessed the end of a line, and that was it. Today, AI writes entire functions, explains unfamiliar code, runs tests on its own, opens pull requests and even builds a working app from a few sentences of description. The developer's role has changed too: less time goes into typing code and more into framing the task, reviewing the result and making architectural decisions.

There are now so many tools that it is easy to get lost. To make sense of them, it helps to know the four main types:

• Autocomplete and IDE assistants suggest code as you type and answer questions in a chat right inside the editor you already use.
• AI editors (AI IDEs) are standalone code editors built around AI: they understand the whole project, edit several files at once and offer an agent mode.
• AI agents take a task and independently plan changes, write code, run tests and prepare the result for review.
• App generators create a website or app from a text description, often together with a database and hosting, with no programming required.

AI code review sits in its own category: services that automatically check every pull request. Below we compare 28 tools from the AI LAB HUB catalog: what they do, where they shine, who they suit and how much they cost. All prices are monthly plans in US dollars according to catalog data.

AI code editors

These editors replace VS Code or another editor you use and give AI access to your entire project. They suit anyone willing to switch environments for the deepest AI integration.

Cursor

One of the most popular AI code editors of 2026, with $2 billion in annual revenue and more than a million paying users. It is built on VS Code, so familiar extensions and keyboard shortcuts work right away. Cursor offers real-time AI autocomplete, edits multiple files at once, runs tasks in the background (Agent mode) and lets you choose between several leading AI models.

Best for: developers of any level who want AI deeply integrated into their everyday coding.

Pricing: Hobby — free; Pro — $20/mo; Business — $40/mo; Ultra — $200/mo.

Windsurf

An AI editor that understands the structure of the whole project and can carry out development tasks on its own in the background. It supports several AI models and, of course, code autocomplete.

Best for: developers who want to hand off part of their routine work to an AI agent.

Pricing: Free — free; Pro — $20/mo; Teams — $40/mo; Max — $200/mo.

Trae

A free AI editor from ByteDance with access to Claude, GPT-4o, Gemini, DeepSeek and its own Doubao models. TRAE SOLO mode generates a complete project from a description, Design Mode creates designs that export to code, and Global Memory keeps context between sessions.

Best for: developers who want free access to leading AI models inside their editor.

Pricing: Free — free; Lite — $3/mo; Pro — $10/mo; Pro+ — $30/mo; Ultra — $100/mo.

Zed AI

A fast native code editor with built-in agentic AI. It can run parallel AI threads on different files, predicts your next code change (Edit Prediction), connects external agents through the Agent Client Protocol and supports your own API keys (BYOK).

Best for: anyone looking for a fast native editor with built-in AI.

Pricing: Personal — free forever; Pro — $10/mo; Business — $30/mo.

IDE assistants and autocomplete

Don't want to change editors? These tools plug into VS Code, JetBrains and the other IDEs you already know.

GitHub Copilot

An AI assistant right inside your code editor: it suggests code as you type, explains the logic of existing code, finds and fixes bugs, and in agent mode completes tasks from a text description. It integrates with VS Code, JetBrains and other editors.

Best for: developers of any level, from beginners to professionals, who work in familiar editors.

Pricing: Free — free; Pro — $10/mo; Business — $19/mo; Pro+ — $39/mo.

JetBrains AI Assistant

AI built into all the major JetBrains IDEs. The headline benefit is unlimited local autocomplete for free. For more complex tasks there is the Junie AI agent, and you can switch between several AI models.

Best for: developers who already work in JetBrains IDEs.

Pricing: AI Free — free; AI Pro — $10/mo; AI Ultimate — $30/mo.

Tabnine

A code assistant focused on privacy and IP protection: autocomplete on IP-safe models, zero code retention and flexible deployment — SaaS, VPC, on-premise or even fully air-gapped. There is also an agentic platform with autonomous agents for refactoring and tests.

Best for: developers and teams for whom code privacy is critical.

Pricing: Tabnine Dev — $12/mo; Code Assistant — $39/mo; Agentic Platform — $59/mo.

Amazon Q Developer

An AI assistant from AWS: it writes and explains code, automates upgrades of outdated libraries, answers questions about cloud infrastructure and integrates with code editors.

Best for: developers and teams working with AWS infrastructure.

Pricing: Free — free; Pro — $19/mo.

Cody (Sourcegraph)

An enterprise assistant with context from the company's entire code repository: chat, inline editing and autocomplete, a choice of LLM to match the team's needs, SSO/SCIM and on-premise deployment.

Best for: large engineering teams and enterprises with monorepos.

Pricing: Enterprise only — $59 per user per month.

Blackbox AI

Code autocomplete and generation with several AI models running in parallel (Chairman LLM), including Claude Code and Codex. Premium models use a credit system, and large customers get an Enterprise plan with custom terms.

Best for: developers who want access to several leading AI models in one tool.

Pricing: Free — free; Pro — $10/mo; Pro Plus — $20/mo.

CodeGeeX

A completely free open-source assistant built on its own 13B model: autocomplete, inline chat, code review, test generation and repository-aware code search. It works in VS Code, JetBrains and HBuilderX.

Best for: anyone looking for a completely free AI assistant with no limits.

Pricing: free.

Tabby

An open-source self-hosted assistant: autocomplete and chat run entirely on your own infrastructure, and your code never goes to the cloud. It includes the built-in Pochi agent, supports VS Code, Vim/Neovim and JetBrains, and offers enterprise SSO and auditing for teams.

Best for: teams that care about code privacy.

Pricing: Community — free; Team/Enterprise — free for teams of up to 50 people.

Open-source assistants with your choice of model

Open tools where you choose the AI model yourself and pay only for that model (or connect a local one). Maximum control and transparency.

Cline

An open-source AI agent for VS Code with more than a million installs. It handles multi-step tasks, but every file change and every terminal command runs only with your explicit approval. It supports MCP for custom tools.

Best for: anyone who wants a controlled AI agent in VS Code.

Pricing: extension (with your own API key) — free; cloud credits — $5/mo.

Continue.dev

A fully open (Apache 2.0) assistant: real-time autocomplete, a chat for questions and debugging in the IDE, your own choice of LLM and custom context. The plugin itself is free — you pay only for the tokens of the model you choose.

Best for: developers who want full control over which AI model they use.

Pricing: extension — free; Starter (cloud) — $3, one-time payment.

Kilo Code

An open-source AI agent that works in VS Code, JetBrains, the terminal and the cloud. It gives you access to hundreds of models with no markup, supports your own keys and local models, runs several agents in parallel, and offers analytics and management for teams.

Best for: developers and teams who want flexibility in choosing models.

Pricing: Free & Open Source — free; Teams — $15/mo; Enterprise — price on request.

Aider

A free AI pair programmer in your terminal. It builds a map of your repository, edits code and automatically commits to Git with descriptive messages, supports more than 100 programming languages, voice coding and images. The model is your choice (Claude, GPT-4o, Gemini).

Best for: developers who prefer a terminal workflow without a heavy IDE.

Pricing: free.

AI coding agents

Here AI no longer suggests — it executes: it takes a task, plans and writes the code itself, runs tests and prepares changes for review. The developer becomes the one who sets tasks and reviews the work.

Claude Code

An AI agent from Anthropic that works in the terminal, IDEs (VS Code, JetBrains), the browser and apps. It plans changes, writes code, runs tests and opens pull requests, and also integrates with Slack and GitHub Actions.

Best for: developers and engineering teams.

Pricing: included in Claude Pro — $20/mo; included in Claude Max — $100/mo.

Devin

An "AI software engineer" from Cognition: agents independently write, test and fix code in the cloud while the developer assigns tasks and reviews the results. Several cloud agents can work in parallel, and the team plan includes an admin panel.

Best for: developers and teams who want to delegate routine coding tasks to AI.

Pricing: Free — free; Pro — $20/mo; Team — $80/mo; Max — $200/mo.

OpenHands

An open platform of cloud agents for real engineering tasks, from writing code to reviewing pull requests, running security checks and producing reports. It works with any model or your own key, through a web interface, terminal and CLI, integrates with Git, Jira and Slack, and runs locally, in the cloud or on your own servers.

Best for: developers and engineering teams who value openness and a choice of infrastructure.

Pricing: Open Source — free; Individual (Cloud) — free; Enterprise — price on request.

Replit Agent

An autonomous agent that builds, debugs and deploys full applications from a natural-language description, right in the browser, in a cloud development environment. It also offers real-time autocomplete and code generation, plus team collaboration with a shared credit pool.

Best for: developers and non-technical creators who want to build an app quickly.

Pricing: Starter — free; Core — $20/mo; Pro — $100/mo.

Warp

An AI terminal with an agent mode: a plain-language request turns into shell commands. You can work with several AI agents in one terminal, and it supports the Model Context Protocol, Warp Drive for workflows and your own API key instead of a subscription.

Best for: developers who want AI right in their terminal.

Pricing: Free — free; Build — $20/mo; Business — $50/mo.

Apps from a description: no-code generators

Describe your idea in words and get a working website or app. Ideal for MVPs, prototypes and internal tools.

Lovable

An AI web app builder: describe your idea in a chat and Lovable creates a website or app with a database, hosting (Lovable Cloud) and a custom domain. It includes a planning mode for changes and team collaboration.

Best for: entrepreneurs, product managers and designers who want to build an MVP or internal tool quickly without developers.

Pricing: Free — free; Pro — $25/mo; Business — $50/mo.

Bolt.new

An AI builder from StackBlitz: it turns a text description into a full app with hosting and a database, right in the browser. You can edit in the chat or directly in the code, and the Pro plan supports custom domains.

Best for: entrepreneurs, small businesses and developers who need a working prototype in a few hours.

Pricing: Free — free; Pro — $25/mo; Teams — $30/mo.

v0

A tool from Vercel that generates UI code from a description. Design Mode lets you edit the result visually, it syncs with GitHub and deploys straight to Vercel, and access to several AI models depends on the plan.

Best for: developers and designers who move quickly from idea to working interface.

Pricing: Free — free; Plus — $30/mo; Business — $100/mo.

Base44

A no-code builder for apps, websites and AI agents. It comes with a built-in database, user sign-in, payments and hosting, plus a custom domain, analytics, AI redesign, an SEO panel for Google and AI services, GitHub integration and code editing.

Best for: entrepreneurs, freelancers and teams without programmers who want to launch an app, website or internal tool quickly.

Pricing: Free — free; Builder — $40/mo; Pro — $80/mo; Elite — $160/mo.

AI code review and testing

These services review every pull request before a colleague even looks at it, and help with tests.

CodeRabbit

An agentic code review platform for every pull request and in the CLI, with one-click automatic fixes, continuous security monitoring and Jira and Linear integrations. Free for open source.

Best for: teams that want to automate code review.

Pricing: Essentials — $24/mo per developer; Team — $48/mo; Advanced — $72/mo.

Qodo

A platform for code review, test generation and autocomplete: multi-agent pull request review (Qodo Merge), automatic unit test generation for your business logic and the Qodo Gen plugin for VS Code and JetBrains. There is a 14-day free trial with unlimited reviews.

Best for: teams that want to automate both review and testing.

Pricing: Developer — free; Teams — $30/mo per user.

Greptile

A code review bot that automatically checks pull requests across an unlimited number of repositories. On Pro you can set your own review rules, and startups and OSS projects get discounts.

Best for: developers and teams, including startups and OSS projects.

Pricing: Starter — free; Pro — $30/mo per seat.

Comparison table

How to choose: recommendations by scenario

You are a beginner

Start with free plans and a familiar environment. The free tier of GitHub Copilot suggests code and explains what it does — a great way to learn as you go. If you want to try an AI editor, Cursor (Hobby) or Trae (Free) let you experience working with an agent at no cost. A completely free alternative is CodeGeeX.

You are a professional

If you write code every day and value speed, choose an AI editor: Cursor Pro or Windsurf Pro at $20/mo. For large tasks in a repository, add an agent such as Claude Code or Devin. Working in JetBrains? Take JetBrains AI Assistant. Love the terminal? Try Aider and Warp. Want full control over the model? Go with Cline or Kilo Code.

You are a team or company

For teams, privacy, administration and context across the whole codebase matter most. If your code can't go to the cloud, consider Tabby (self-hosted) or Tabnine (on-premise, air-gapped). For large monorepos, look at Cody (Sourcegraph). Automate review with CodeRabbit, Qodo or Greptile, and to delegate tasks to agents, check out OpenHands, which can run on your own servers. Teams on AWS will get the most out of Amazon Q Developer.

You need a quick prototype

When you need to show an idea today, use an app generator: Lovable or Bolt.new for a web app with a database and hosting, Base44 if you need user sign-in and payments right away, and v0 for an interface deployed to Vercel. If the prototype needs to grow into a full project with deployment, try Replit Agent.

Frequently asked questions

Which AI coding assistant is the best?

There is no universal answer. For most developers, the easiest start is GitHub Copilot in a familiar editor or the Cursor AI editor. If you want AI to carry out tasks on its own, look at agents such as Claude Code or Devin.

Are there free AI tools for programming?

Yes, plenty. Completely free options include CodeGeeX, Aider and Tabby (for teams of up to 50 people). Free plans are available from GitHub Copilot, Cursor, Windsurf, Trae, Zed AI, JetBrains AI Assistant and others. With Cline and Continue.dev, the tool itself is free — you pay only for the model you choose.

What is the difference between an AI agent and a code assistant?

An assistant suggests: it completes a line, answers questions and proposes fixes, while you make the decisions. An agent executes: it takes a task, plans changes across several files, writes the code, runs tests and prepares a pull request for review. Your role is to set the task and check the result.

Can I build an app without knowing how to code?

Yes. Lovable, Bolt.new, Base44 and Replit Agent create working apps from a text description, often together with a database and hosting. For simple MVPs and internal tools, that is usually enough.

Is it safe to give AI access to company code?

It depends on the tool. If privacy is critical, choose solutions with zero code retention or self-hosted deployment: Tabnine (zero code retention, on-premise, air-gapped), Tabby (self-hosted), OpenHands (runs on your own servers) or Cody (Sourcegraph) with on-premise deployment.

Conclusion

AI has become a full participant in software development: from suggestions in the editor to agents that close tasks on their own and generators that build an app from a description. The best strategy is to start with the free plan of a tool that fits your current workflow, then add an agent or review service wherever it saves the most time. Find more tools in the AI LAB HUB catalog: Code assistants, Code autocomplete, Refactoring and review and No-code / Low-code.