Best AI coding assistant for Java (2026)
We list 7 tools here. We verified pricing for 6; 5 of those have a free plan, and the lowest published paid entry price is Sourcery at $12/month. Data checked Oct 26, 2026 on each vendor's own site.
How this list is built: Tools whose own pages list Java alongside other supported languages. The evidence column quotes the vendor page we matched. A mention is not a test or an endorsement. Listed A–Z by name. Membership comes from our category, verified pricing or a phrase on the vendor's own page. No vendor pays for placement.
| Tool | Type | Free plan | Paid from | Evidence (vendor page) | Vendor site |
|---|---|---|---|---|---|
| Amazon Q Developer | IDE assistants | Yes | $19/mo | Java: “…ilder Center SDKs & Tools .NET on AWS Python on AWS Java on AWS PHP on AWS JavaScript on AWS Help Contact Us…” source | Visit |
| Greptile | AI code review tools | Yes | Free | Java: “…fully supports Python, JavaScript, TypeScript, Go, Elixir, Java, C, C++, C#, Swift, PHP, and Rust. Most other languages are…” source | Visit |
| Kiro | AI IDEs | Yes | $20/mo | Java: “…day work. This list includes, but is not limited to Python, Java, JavaScript, TypeScript, C#, Go, Rust, PHP, Ruby, Kotlin, C…” source | Visit |
| Qodo | AI code review tools | No | $30/mo | Java: “…, Visual Studio. Languages All major languages — Python, Java, JavaScript, TypeScript, Go, C#, .NET, Swift, Kotlin, Ruby,…” source | Visit |
| Qwen Code | CLI coding agents | Yes | Free | Java: “…or batch jobs. SDKs — Build with TypeScript , Python , or Java . Daemon — Run qwen serve to connect clients over HTTP + S…” source | Visit |
| Refact.aiService changed | IDE agent extensions | Not verified yet | Not verified yet | Java: “…lect a model, and let our online tool handle the rest. Try Java Code Generator Supports 25+ programming languages Java…” source | Visit |
| Sourcery | AI code review tools | Yes | $12/mo | Java: “…g language GitHub recognizes, including Python, TypeScript, Java, Go and Rust. Is our code secure? Sourcery uses your code…” source | Visit |
FAQ
Which AI coding assistant for Java have a free plan?
Of the 6 AI coding assistant for Java whose pricing we have verified, 5 have a free plan: Amazon Q Developer, Greptile, Kiro, Qwen Code, Sourcery. We have not verified the other 1 yet.
What is the cheapest paid plan among these AI coding assistant for Java?
Among verified tools, the lowest published paid price is Sourcery at $12/month, then Amazon Q Developer at $19/month. Prices are from each vendor's own pricing page.
How are these 7 AI coding assistant for Java ordered?
Alphabetically by name (A–Z). Membership comes from our category, verified pricing or a phrase on the vendor's own page. No vendor pays for placement or for a better position.