Aider vs JetBrains AI (2026): Free (OSS) vs $10/mo
Aider is Free (OSS), JetBrains AI is $10/mo. Where they actually differ on the 15 dimensions we track, with prices re-verified against each vendor's own page.
DevTools Review
We track 11 AI coding tools and re-check every price against the vendor’s own pricing page. Where we have not tested something ourselves, we say so.
Where Aider and JetBrains AI actually differ
These are the only dimensions on which the two record different values. Everything else we track, they match on.
| Aider | JetBrains AI | |
|---|---|---|
| Autocomplete | no | Good |
| Custom models | yes | no |
| Terminal AI | yes | no |
| Free tier | yes | not verified |
| Runs in JetBrains | no | yes |
| Works alongside any editor | yes | no |
| Open source | yes | no |
| Self-hosted / on-prem | no | not verified |
| Team admin & SSO | no | yes |
| Usage model | BYO API key | Flat subscription |
“Not verified” means we have not confirmed it against the vendor — it never means no.
| Feature | A Aider | J JetBrains AI |
|---|---|---|
| Price | Free (OSS) | $10/mo |
| Autocomplete | Good | |
| Chat | ||
| Multi-file editing | ||
| Codebase context | Full project | Full project |
| Custom models | ||
| VS Code compatible | ||
| Terminal AI | ||
| Free tier | ? | |
| Get Aider Free | Try JetBrains AI |
What each one costs
Aider — Free (OSS), verified 1 September 2026
| Plan | Price |
|---|---|
| Open Source | Free |
| API costs | Pay your LLM provider |
JetBrains AI — $10/mo, verified 6 September 2026
| Plan | Price |
|---|---|
| AI Pro (personal) | $10/mo ($100/yr) |
| AI Pro (commercial) | $20/user/mo ($200/yr) |
| AI Ultimate (personal) | $30/mo ($300/yr) |
| AI Ultimate (commercial) | $60/user/mo ($600/yr) |
Full detail: Aider pricing · JetBrains AI pricing
What has changed recently
- JetBrains AI, 6 September 2026 — Restructured into named AI tiers. The flat Personal $10 / Commercial $20 licence split is gone, replaced by AI Pro (personal $10/mo, commercial $20/user/mo) and AI Ultimate (personal $30/mo, commercial $60/user/mo). Verified against the store data on jetbrains.com/ai-ides/buy/ (codes AIP, AIPU).
Aider
Aider
Open-source terminal AI pair programmer with git integration and multi-LLM support.
Open-source terminal AI pair programmer with git integration and multi-LLM support. We rate it 4/5 in our Aider review.
Get Aider FreeJetBrains AI
JetBrains AI
AI assistant built for JetBrains IDEs with Junie coding agent.
AI assistant built for JetBrains IDEs with Junie coding agent. We rate it 3.5/5 in our JetBrains AI review.
Try JetBrains AIAt a Glance
- Which is better, Aider or JetBrains AI?
- DevTools Review rates Aider 4/5 and JetBrains AI 3.5/5. They differ on 10 of the 15 dimensions we track, listed above.
- Is Aider cheaper than JetBrains AI?
- Aider is Free (OSS) and JetBrains AI is $10/mo. Both figures were re-checked against each vendor’s own pricing page — Aider on 1 September 2026, JetBrains AI on 6 September 2026.
- Can you use Aider and JetBrains AI together?
- Yes. They are separate tools and many developers run more than one — a completion tool in the editor alongside an agent for larger tasks. You pay for both.
The bottom line
Aider at Free (OSS) and JetBrains AI at $10/mo differ on 10 of the 15 dimensions we track. The table above lists exactly which, so you can decide against your own constraints rather than ours.
Still unsure? Our 30-second picker narrows all 11 down using four questions.
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 have not used a tool ourselves we say so.
Written 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.