OpenAI's coding agent across ChatGPT, CLI, IDE extension, desktop app and cloud
Free plan · paid from $8/month
The Best AI coding assistants in 2026
- 13 apps ranked
- Updated Oct 2026
- Researched from official sources
AI coding tools have split into editors with AI built in, agents that run in your terminal, and cloud agents that hand you a finished pull request. We tested the leading ones and ranked them with the same published rubric, using independent benchmarks and hands-on reviews.
Our top picks
GitHub's AI pair programmer and coding agent for IDEs, the CLI and github.com
Free plan · paid from $10/month
AI-native code editor with local, cloud and CLI coding agents and multi-model choice
Free plan · paid from $20/month
The full ranking
13 apps, best first- 1
OpenAI Codex
Best forDevelopers who want parallel, asynchronous tasks and pull requests back, bundled with ChatGPT
OpenAI's coding agent across ChatGPT, CLI, IDE extension, desktop app and cloud
Free plan · paid from $8/month
Pros & cons
- Top CLI agent on Terminal-Bench 2.0
- Low entry price, with free and $8 tiers
- Many surfaces: web, CLI, IDE, desktop, iOS
- Open-source CLI
- Async cloud tasks add latency for quick edits
- Only OpenAI models
- Free and Go tiers get a lighter model
8.7/10★★★★★Visit ↗ - 2
GitHub Copilot
Best forDevelopers and teams on GitHub who want AI in the IDE they already use, at the lowest entry price
GitHub's AI pair programmer and coding agent for IDEs, the CLI and github.com
Free plan · paid from $10/month
Pros & cons
- Widest IDE coverage of any tool here
- Lowest paid entry price ($10/month)
- Built into GitHub issues, pull requests and code review
- Can use several vendors' models and agents
- Usage-based AI Credits make monthly costs harder to predict
- Reviewers say its multi-file agent work trails Cursor and Claude Code
- Free tier is small
8.6/10★★★★★Visit ↗ - 3
Claude Code
Best forEngineers who hand off large multi-file tasks and long autonomous runs
Anthropic's agentic coding tool for the terminal, IDEs, desktop and web
From $20/month
Pros & cons
- Top-tier output quality on independent benchmarks
- Fastest-growing adoption in 2026 developer surveys
- Highly extensible (skills, hooks, SDK, CI)
- Runs in the terminal, IDEs, desktop and web
- No free tier
- Only Claude models
- Heavy use pushes you onto $100+ plans or API billing
8.5/10★★★★★Visit ↗ - 4
Cursor
Best forIDE-first developers who want AI in every keystroke and the freedom to switch models
AI-native code editor with local, cloud and CLI coding agents and multi-model choice
Free plan · paid from $20/month
Pros & cons
- Polished AI-first editor experience
- Choice of frontier models
- Strong review and cloud-agent tooling
- VS Code extensions and keybindings carry over
- Usage-based billing makes heavy agent use unpredictable
- Its own Composer model scores far below the frontier models on Cursor's benchmark
- New SpaceX ownership raises questions about model neutrality
8.3/10★★★★★Visit ↗ - 5
Amp
Best forExperienced developers and teams running many parallel, long-running agents
Coding agent that keeps working in cloud machines, from web, Mac, iOS or terminal
Group planningFree plan · paid from $20/month
Pros & cons
- Agents keep running while you're away
- Use your own keys without markup
- Web, Mac, iPhone/iPad and terminal
- Strong team collaboration
- Opinionated: features can be removed without notice
- No IDE extension; work happens in its own apps or the terminal
- Long tasks can use a lot of credits or machine time
7.7/10★★★★★Visit ↗ - 6
Cline
Best forDevelopers who want an open-source, model-agnostic agent and control over their AI spend
Open-source coding agent for VS Code, terminal and desktop, with any AI model
Free
Pros & cons
- Free and open source
- No lock-in: any provider or local model
- Transparent, step-by-step approvals
- Runs in the editor, terminal, desktop or CI
- You manage API keys and token spend, which can spike
- Less polished than Cursor's integrated editor
- JetBrains support is an Enterprise feature
7.7/10★★★★★Visit ↗ - 7
Devin (Devin Desktop, formerly Windsurf)
Best forTeams that want to hand whole tickets to an autonomous agent while keeping a local IDE
Autonomous AI software engineer, with a cloud agent, desktop IDE and CLI
Free plan · paid from $20/month
Pros & cons
- Strong end-to-end autonomy, including self-testing and PRs
- IDE, CLI and cloud agent in one product family
- Free tier with unlimited Tab completions
- Deep team integrations
- The Windsurf rebrand forced users to migrate
- Quota-based usage can be opaque; heavy use pushes you to the $200 plan
- Little recent independent benchmark data
Our Devin (Devin Desktop, formerly Windsurf) verdict →+ Compare
7.7/10★★★★★Visit ↗ - 8
JetBrains AI (Junie)
Best forDevelopers in IntelliJ IDEA, PyCharm and other JetBrains IDEs who want a deeply integrated agent
JetBrains' AI coding agent and assistant, built into its IDEs and a CLI
Free plan · paid from $10/month
Pros & cons
- Uses real IDE tooling (debugger, index, test runners)
- Strong reported benchmark results
- Works with any model, including local ones
- Free tier and free Junie Lite model
- Credit metering drains quickly with heavy agent use
- Best experience is tied to JetBrains IDEs
- Some debugging features depend on IDE version and edition
7.5/10★★★★★Visit ↗ - 9
Zed
Best forDevelopers who want a very fast native editor with optional, model-agnostic AI
Fast, open-source code editor with a built-in AI agent and edit predictions
Free plan · paid from $10/month
Pros & cons
- Exceptionally fast native editor
- Cheap Pro plan and generous free use
- Works with any agent
- AI can be fully disabled
- Smaller extension ecosystem than VS Code or JetBrains
- Less independent evidence on its own agent's quality
- No SSO on the Business plan yet
7.5/10★★★★★Visit ↗ - 10
Replit Agent
Best forNon-engineers and indie builders who want a prototype or internal tool from a prompt to a live URL
Browser-based AI agent that builds, tests and deploys full-stack apps
Free plan · paid from $20/month
Pros & cons
- Lowest-friction path from idea to deployed app
- Hosting, databases and deployment built in
- No local setup; works in the browser and on mobile
- Free Starter tier
- Generated code often needs rework before production
- Effort-based credits can add up on bigger projects
- Lock-in to Replit's infrastructure
7.3/10★★★★★Visit ↗ - 11
Gemini Code Assist
Best forTeams standardised on Google Cloud who want a managed, enterprise-licensed assistant
Google's AI coding assistant for teams, in VS Code, JetBrains, the terminal and GitHub
From $19/user/month
Pros & cons
- Deep Google Cloud, Firebase and Android Studio integration
- Very large context window
- GitHub pull request review agent
- Enterprise customisation on private code
- Free individual tier discontinued in June 2026
- Confusing product line (Code Assist vs Antigravity)
- Fewer independent reviews than the leaders
6.9/10★★★★★Visit ↗ - 12
Kiro (Amazon Q Developer)
Best forAWS-centric teams who want plan-first, spec-driven development
AWS's spec-driven agentic IDE and CLI, replacing the Amazon Q Developer plugins
Free plan · paid from $20/month
Pros & cons
- Spec-first workflow catches design problems early
- Wide model choice
- Native AWS context and enterprise controls
- Permanent free tier
- Credit metering criticised in reviews
- Autocomplete lags Cursor for quick edits
- Transition from Q Developer is confusing
6.9/10★★★★★Visit ↗ - 13
Tabnine
Best forRegulated enterprises that need AI coding help deployed inside their own environment
Private, enterprise-focused AI coding agent with an organisation-wide context engine
Paid
Pros & cons
- Can run fully on-premises or in a private cloud
- Wide IDE support, including Eclipse and Visual Studio
- Organisation-aware context engine
- Admin and governance controls
- No self-serve or individual plans
- Product direction uncertain after the Tricentis acquisition
- Little recent independent evidence on output quality
6.1/10★★★★★Visit ↗
Compare at a glance
Scroll sideways on mobile| # | App | Free plan | Paid from | iOS | Android | Web | Code quality | Ease of use | Features | Value for money | Platforms | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  OpenAI Codex | Yes | $8/month | ✓ | — | ✓ | 9 | 8 | 8.5 | 9 | 9 | 8.7 |
| 2 |  GitHub Copilot | Yes | $10/month | ✓ | — | ✓ | 7.5 | 9 | 9 | 8.5 | 10 | 8.6 |
| 3 |  Claude Code | No | $20/month | ✓ | — | ✓ | 9.5 | 7.5 | 8.5 | 7.5 | 9 | 8.5 |
| 4 |  Cursor | Yes | $20/month | — | — | ✓ | 8.5 | 9 | 8.5 | 7.5 | 7.5 | 8.3 |
| 5 |  Amp | Yes | $20/month | ✓ | — | ✓ | 8 | 7 | 8 | 7.5 | 7.5 | 7.7 |
| 6 |  Cline | Yes | Free | — | — | — | 7.5 | 6.5 | 8 | 8.5 | 8 | 7.7 |
| 7 |  Devin (Devin Desktop, formerly Windsurf) | Yes | $20/month | — | — | ✓ | 7.5 | 7.5 | 8.5 | 7.5 | 7.5 | 7.7 |
| 8 |  JetBrains AI (Junie) | Yes | $10/month | — | — | ✓ | 7.5 | 7.5 | 8 | 7 | 7 | 7.5 |
| 9 |  Zed | Yes | $10/month | — | — | — | 7 | 8 | 7 | 8.5 | 6.5 | 7.5 |
| 10 |  Replit Agent | Yes | $20/month | ✓ | ✓ | ✓ | 6.5 | 9 | 6.5 | 7 | 8 | 7.3 |
| 11 |  Gemini Code Assist | No | $19/user/month | — | — | — | 7 | 7 | 7.5 | 6 | 7 | 6.9 |
| 12 |  Kiro (Amazon Q Developer) | Yes | $20/month | — | — | — | 7 | 6.5 | 8 | 6.5 | 6 | 6.9 |
| 13 |  Tabnine | No | — | — | — | — | 6 | 6 | 6.5 | 5 | 8 | 6.1 |
Head to head
15 comparisons
OpenAI Codex vs GitHub Copilot
OpenAI Codex vs Claude Code
OpenAI Codex vs CursorGitHub Copilot vs Claude CodeGitHub Copilot vs CursorClaude Code vs Cursor
OpenAI Codex vs Amp
OpenAI Codex vs Cline
OpenAI Codex vs Devin (Devin Desktop, formerly Windsurf)
OpenAI Codex vs JetBrains AI (Junie)
OpenAI Codex vs Zed
OpenAI Codex vs Replit Agent
OpenAI Codex vs Gemini Code Assist
OpenAI Codex vs Kiro (Amazon Q Developer)
OpenAI Codex vs TabnineFor developers
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People compare AI coding tools on this page before they choose. Paste your website after checkout and we'll research, score and publish your listing.
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How we rank AI coding assistants
Every tool was checked on 6 October 2026 against its own website, pricing page and docs, plus independent 2025–2026 benchmarks and reviews. Each gets five scores out of 10, weighted into an overall score.
Ties are broken by the code quality score. To be listed, a tool's AI has to write or edit code inside the developer's workflow: an editor, IDE, terminal or coding agent. The list is open: developers can submit an app, and we review it with the same rubric.
Features are scored half by our editors and half by this published checklist, ticked only where the app's own pages or app-store listing confirm it:
- Autonomous agent mode that edits multiple files
- Inline code completion as you type
- Choice of AI models from more than one vendor
- Use your own API keys, local models or self-hosted deployment
- Extension for existing IDEs (VS Code or JetBrains)
- Command-line (terminal) agent
- Cloud agents that keep working in the background
- AI code review for pull requests
- Connects to external tools (MCP, plugins or apps like Slack and Jira)
Rankings are editorial. Companies can't pay to change a score or a position, and any paid placement is labelled Featured.
Reviewed by Tech Arcade editors · Updated Oct 7, 2026
- Code quality30%
- Ease of use20%
- Features20%
- Value for money20%
- Platforms10%
Quick answers
What is the best AI coding assistant?
In our October 2026 tests, OpenAI Codex scored highest overall (8.7/10) for its benchmark results and low price, with GitHub Copilot (8.6) close behind thanks to the widest IDE support and features. Claude Code (8.5) has the best code quality, and Cursor (8.3) is the strongest AI-first editor.
What is the best free AI coding assistant?
Cline is free and open source (you pay only for the AI model you connect), and Zed, Devin Desktop and GitHub Copilot all have usable free tiers. Claude Code has no free tier.
Which AI coding tool is best for beginners or non-developers?
Replit Agent is the easiest way to go from an idea to a live app without setting anything up, though the code usually needs work before production.
Which AI coding assistant works in JetBrains IDEs?
GitHub Copilot, Claude Code, JetBrains' own Junie, Gemini Code Assist and Tabnine all work in JetBrains IDEs.
Do companies pay to be on this list?
No. Rankings come from the published rubric and can't be bought. Developers can pay for a Featured spot above the ranking; it's always marked Sponsored and never changes scores or positions.
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