Comparison guide

AI coding tools compared

Editors, agents and assistants that write, explain and review code. Compare where they run, what they cost and how they reach your repository.

Criterion	GitHub Copilot	Claude Code	OpenAI Codex	Devin Desktop (formerly Windsurf)	Replit
Provider	GitHub	Anthropic	OpenAI	Cognition	Replit
What it is for	An AI pair programmer and coding agent that works in your editor, terminal and on GitHub itself.	Anthropic's agentic coding tool that reads your codebase, edits files and runs commands from the terminal, IDE, desktop or browser.	OpenAI's coding agent, included with ChatGPT plans and usable with an API key.	The renamed Windsurf editor, rebuilt around managing local and cloud coding agents.	A browser-based platform where Replit Agent builds, hosts and publishes apps from plain-language prompts.
Latest confirmed model	—	Claude Opus 5.5 Sep 22, 2026	GPT-6.1 Sol Sep 29, 2026	SWE-2 Sep 10, 2026	—
Main capabilities	Inline suggestions Agent mode in IDEs Copilot CLI Cloud agent (Depends on plan) Code review (Depends on plan) Third-party agent delegation (Preview)	Terminal CLI IDE extensions Desktop and web (Depends on plan) MCP, skills and hooks Routines and scheduled tasks GitHub Actions / GitLab CI and code review	Codex CLI and IDE extension Cloud tasks (Depends on plan) Desktop app (Limited) Fast and Ultrafast modes (Depends on plan) Extra credits (Depends on plan)	Tab completions and inline edits Agent Command Center Devin Cloud (Depends on plan) SWE-2 model (Depends on plan) DeepWiki and Ask Devin (Depends on plan) Fusion harness	Replit Agent (Depends on plan) Plan mode (Depends on plan) Publishing (Depends on plan) Parallel agents (Depends on plan) Database rollback (Depends on plan)
Free plan	Yes 2,000 inline suggestions per month; 50 chat requests; limited chat and agent usage	No	Yes Quick coding tasks	Yes Light agent quota; unlimited Tab completions and inline edits	Yes Daily Agent credits up to a monthly cap (amount not stated); monthly cloud credits
Cheapest paid plan	Pro: $10/mo	Pro: $20/mo $17/mo billed annually Annual billing is $200 up front	Go: $8/mo	Pro: $20/mo	Core: $20/mo $18/mo billed annually
API access	No · docs (opens in a new tab)	Yes · docs (opens in a new tab)	Yes · docs (opens in a new tab)	Limited	No
Learning curve	Beginner-friendly	Some experience helps	Some experience helps	Some experience helps	Beginner-friendly
Last verified	Oct 19, 2026	Oct 19, 2026	Oct 19, 2026	Oct 19, 2026	Oct 19, 2026

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How to choose

Inline completion inside your current editor: an extension-based assistant.
Multi-file changes and refactors: an agentic editor or terminal agent.
Always review and test generated code — none of these remove the need for code review.

Also in this group

Lovable

A chat-based builder that turns plain-language descriptions into working web apps with hosting.

Bolt.new

A browser-based AI builder that creates, hosts and shares full-stack web apps from prompts.

v0

Vercel's AI builder that generates web apps and interfaces and deploys them to Vercel.

Cursor

An AI-first code editor with local and cloud agents, now sold on a shared Cursor and Grok subscription.

Tabnine

A private, organisation-aware AI coding agent designed to run inside a company's own environment.

JetBrains AI

AI Assistant, the Junie agent and JetBrains Air for building software with agents in JetBrains IDEs.

Amazon Q Developer

AWS's AI coding assistant, whose IDE plugins reach end of support on April 30, 2027 with Kiro as the recommended replacement.

The table shows up to five entries in the directory's editorial order, not a ranking. Every value links back to a record with sources and a last-verified date.