Best AI Coding Assistants
Compare 41 AI Coding tools by verified monthly pricing, free plans, and features.
AI coding assistants autocomplete code, explain unfamiliar codebases, fix bugs, and increasingly run multi-step agent workflows inside your editor or terminal.
ToolScanner currently tracks 41 AI Coding tools. 34 of them offer a real free plan, so you can start without paying. 5 offer a free trial. Verified paid plans start from $3 per month on a monthly-billing basis.
When you compare options, the factors that usually matter are: IDE and editor integrations, Autocomplete vs agent workflows, Whole-repository understanding, Code privacy and security policies, Price and free plan (monthly-billing basis).
Every tool below has a detail page with verified pricing. You can compare any two side by side, or use AI Finder and the stack builder to plan a full setup within your budget.
Category snapshot
Featured tools
GitHub's AI pair programmer for code completion inside your editor.
Best for Autocomplete inside your existing editor
An AI-first code editor built for pair-programming with AI.
Best for AI-first coding as your primary editor
Cloud coding platform with an AI agent that can build and deploy apps.
Best for build an app without coding
AI tool that builds full web apps from a text description.
AI-powered code editor with agentic coding workflows.
AI tool for building and deploying full-stack web apps in the browser.
How to choose
What matters most depends on your use case. For AI Coding tools, weigh these factors:
- IDE and editor integrations
- Autocomplete vs agent workflows
- Whole-repository understanding
- Code privacy and security policies
- Price and free plan (monthly-billing basis)
Free options
GitHub's AI pair programmer for code completion inside your editor.
Best for Autocomplete inside your existing editor
An AI-first code editor built for pair-programming with AI.
Best for AI-first coding as your primary editor
Cloud coding platform with an AI agent that can build and deploy apps.
Best for build an app without coding
AI-powered code editor with agentic coding workflows.
AI tool that builds full web apps from a text description.
AI tool for building and deploying full-stack web apps in the browser.
Best for…
Related comparisons
All 41 tools
GitHub's AI pair programmer for code completion inside your editor.
Best for Autocomplete inside your existing editor
An AI-first code editor built for pair-programming with AI.
Best for AI-first coding as your primary editor
Cloud coding platform with an AI agent that can build and deploy apps.
Best for build an app without coding
AI-powered code editor with agentic coding workflows.
AI tool that builds full web apps from a text description.
AI tool for building and deploying full-stack web apps in the browser.
Vercel's AI tool for generating UI components and frontend code.
AI code completion tool that can run fully on your own infrastructure.
An autonomous AI software engineer that can plan and execute coding tasks.
AI coding assistant with deep codebase-wide context and search.
Open-source AI coding agent that can edit files and run terminal commands.
Best for coding app for developers
AI-powered terminal with command autocomplete and natural-language commands.
AI coding assistant built into JetBrains IDEs.
Best for coding app for developers
AI-powered documentation platform for developer docs.
Best for generate documentation
Self-hosted, open-source AI code completion assistant.
High-performance code editor with built-in AI coding assistance.
No-code platform for building and launching web apps visually.
No-code platform for building web apps and client portals.
No-code platform for turning spreadsheets into mobile and web apps.
No-code platform for building native mobile apps visually.
No-code website builder with AI-assisted design and copy.
Visual website builder with AI-assisted design and content tools.
AI website builder that generates a full site from a business description.
Low-code platform for building internal business tools and apps.
Open-source AI pair programmer that edits code in your local git repo from the terminal, using your own model API keys.
Open-source autonomous coding agent for VS Code that plans, edits across files, and runs commands using your own model keys.
Open-source AI coding assistant for autocomplete and chat in your editor.
AI code-review platform that reviews every pull request with line-by-line comments, summaries, and one-click fixes.
Anthropic's agentic coding tool that works in your terminal and IDE — it reads your codebase, edits files, runs tests, and ships commits. Included with Claude subscriptions or API usage.
Google's open-source terminal AI agent powered by Gemini, with a generous free tier for coding, shell tasks, and research from the command line.
Best for Gemini agent in the terminal
OpenAI's software engineering agent that works on tasks in parallel cloud sandboxes and in your terminal — included with ChatGPT paid plans.
Google's asynchronous coding agent: point it at a GitHub repo, and it plans, writes, and tests changes in a cloud VM while you do something else.
Best for async coding agent for GitHub repos
AI coding platform built for large, real-world codebases, with a context engine that understands your whole repo across editors.
Best for AI assistant for large codebases
Code-integrity platform (formerly CodiumAI) with AI agents for code review, test generation, and PR analysis.
Open-source software-engineering agent (formerly OpenDevin) that writes code, runs commands, and browses — self-hosted for free or via a managed cloud.
AI code-review bot that indexes your whole codebase so PR comments come with full-repo context, not just the diff.
On-device AI assistant that captures your development workflow — snippets, browsing, chats — and recalls that context whenever you need it.
Best for long-term memory for developer workflow
ByteDance's free AI-native IDE with chat, autocomplete, and an agent builder mode, positioned as a no-cost Cursor alternative.
AWS's agentic IDE built around spec-driven development: you define specs and hooks, and its agents implement and maintain the code.
Best for spec-driven agentic IDE
Sourcegraph's agentic coding tool for editor and CLI, designed for unconstrained frontier-model coding with usage-based credits.
Best for frontier agentic coding tool
Google's agentic development platform — an IDE, CLI and agent command centre for running coding agents in parallel, free for individual developers.
Frequently asked questions
What are AI Coding tools?
AI coding assistants autocomplete code, explain unfamiliar codebases, fix bugs, and increasingly run multi-step agent workflows inside your editor or terminal. ToolScanner currently tracks 41 AI Coding tools.
Are there free AI Coding tools?
Yes — GitHub Copilot, Cursor, Replit, Windsurf offer a verified free plan.
How do I choose a AI Coding tool?
Start from your use case, then compare: IDE and editor integrations, Autocomplete vs agent workflows, Whole-repository understanding, Code privacy and security policies, Price and free plan (monthly-billing basis). Prices on ToolScanner are verified on a monthly-billing basis, so you're comparing like for like.
Which AI Coding tools offer an API?
Based on recorded platform data: GitHub Copilot, v0.
How much do AI Coding tools cost?
Verified paid plans in this category start from $3 per month, and 34 tools offer a free plan. Several tools use usage-based or quote-based pricing — check each detail page.
Can I compare AI Coding tools side by side?
Yes — select any tools for an interactive side-by-side comparison, start from a curated comparison page, or let AI Finder shortlist tools by budget and use case.