Best AI coding assistants with an API (2026)
Every tool here publishes a public API, so you can wire it into CI, an internal tool or your own editor integration rather than being stuck in a vendor UI.
How we picked
- Publishes a public API
- Coding, review or developer-workflow focused
- Ranked by community rating, then popularity
- 1
The AI-first code editor built for pair-programming
- Deep GPT-4 and Claude integration
- VS Code compatibility and extensions
- Multi-file edits with Composer
- 2
Conversational AI based service for games, metaverse, xr and more, to bring your characters to life.
- Integrates seamlessly with popular game engines including Unreal Engine, Unity, and 3JS.
- Offers massive audio customizability with 65+ languages and over 500 voices.
- Features an accessible free tier alongside paid plans, making it easy to test.
Frequently asked questions
- Which AI coding assistants can I self-host?
- Look for the open-source flag on each listing — open-source tools can usually be self-hosted, while closed API-only vendors cannot.
- How much do AI coding APIs cost?
- Most price per seat or per token. The pricing table on each tool page shows the plans we extracted from the vendor's pricing page.