Best AI Coding Tools for Java Developers (2026)
Java's verbosity makes AI especially valuable.
DevTools Review
DevTools Review tracks 11 AI coding tools and re-checks every price against the vendor’s own pricing page. Here’s what actually matters.
Best AI Coding Tools for Java Developers (2026)
Java’s verbosity makes AI especially valuable.
We’ve tested all major AI coding tools across real production workflows. Here’s our breakdown.
Quick Picks
| You want… | Best tool | Starting price |
|---|---|---|
| Best overall | JetBrains AI | $10/mo |
| Best value | GitHub Copilot | $10/mo |
| Best free option | Amazon Q Developer | $19/user/mo |
| Feature | J JetBrains AI | G GitHub Copilot | A Amazon Q Developer closed to new | T Tabnine | C Cursor |
|---|---|---|---|---|---|
| Price | $10/mo | $10/mo | Closed to new signups | $39/user/mo | $20/mo |
| Autocomplete | Good | Very Good | Good | Good | Excellent |
| Chat | |||||
| Multi-file editing | |||||
| Codebase context | Full project | Workspace | Workspace | Full project | Full project |
| Custom models | |||||
| VS Code compatible | |||||
| Terminal AI | |||||
| Free tier | |||||
| Try JetBrains AI | Try GitHub Copilot | Read the AWS announcement | Try Tabnine | Try Cursor Free |
#1: JetBrains AI — Best Overall
JetBrains AI
AI assistant built for JetBrains IDEs with Junie coding agent.
JetBrains AI is our top pick. AI assistant built for JetBrains IDEs with the Junie coding agent.
Try JetBrains AI#2: GitHub Copilot — Best Value
GitHub Copilot
GitHub's AI pair programmer, deeply integrated with the GitHub ecosystem.
GitHub Copilot is the best value pick. GitHub’s AI pair programmer — deeply integrated with the GitHub ecosystem and excellent value.
#3: Amazon Q Developer — Best Free Option
Amazon Q Developer
AWS's coding assistant, closed to new signups and being replaced by Kiro.
Amazon Q Developer is the best free/open-source option. AWS-integrated AI coding assistant with agentic capabilities and Java transformation.
Also Worth Considering
- Tabnine ($39/user/mo): Privacy-focused AI assistant with self-hosted deployment and enterprise compliance.
- Cursor ($20/mo): AI-first code editor built on VS Code with deep codebase understanding and best-in-class autocomplete.
The Bottom Line
JetBrains AI is our top recommendation for this use case, but GitHub Copilot is excellent value and Amazon Q Developer proves free tools are genuinely capable in 2026.
Still unsure? Use our 30-second picker.
Disclosure: We earn nothing from the links in this article. We are not enrolled in an affiliate programme for any tool here — most of them do not run one. Nobody pays to be ranked, and where we haven’t used a tool ourselves we say so.
FAQ
Try JetBrains AIWritten by DevTools Review
We're developers who use AI coding tools every day. Our reviews are based on real-world experience, not press releases. We test with real projects and share what we actually find.