Best AI coding assistant for C++ (2026)
We list 5 tools here. We verified pricing for 4; 3 of those have a free plan, and the lowest published paid entry price is Kiro at $20/month. Data checked Oct 26, 2026 on each vendor's own site.
How this list is built: Tools whose own pages list C++ 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 |
|---|---|---|---|---|---|
| Greptile | AI code review tools | Yes | Free | C++: “…pports Python, JavaScript, TypeScript, Go, Elixir, Java, C, C++, C#, Swift, PHP, and Rust. Most other languages are support…” source | Visit |
| Kiro | AI IDEs | Yes | $20/mo | C++: “…JavaScript, TypeScript, C#, Go, Rust, PHP, Ruby, Kotlin, C, C++, shell scripting, SQL, Scala, JSON, YAML, and HCL. Can I i…” source | Visit |
| Qodo | AI code review tools | No | $30/mo | C++: “…Script, TypeScript, Go, C#, .NET, Swift, Kotlin, Ruby, PHP, C++. Full list on the language support page . How does Qodo's…” source | Visit |
| Refact.aiService changed | IDE agent extensions | Not verified yet | Not verified yet | C++: “…programming languages Java Python JavaScript Rust PHP C++ TypeScript HTML React Ruby SQL C YAML CSS3 Build,…” source | Visit |
| WindsurfRenamed | AI IDEs | Yes | $20/mo | C++: “…Prettier Format code on save in Devin Desktop clangd C and C++ code intelligence in Devin Desktop Windsurf Pyright Python…” source | Visit |
FAQ
Which AI coding assistant for C++ have a free plan?
Of the 4 AI coding assistant for C++ whose pricing we have verified, 3 have a free plan: Greptile, Kiro, Windsurf. We have not verified the other 1 yet.
What is the cheapest paid plan among these AI coding assistant for C++?
Among verified tools, the lowest published paid price is Kiro at $20/month, then Windsurf at $20/month. Prices are from each vendor's own pricing page.
How are these 5 AI coding assistant for C++ 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.