Head-to-head · AI coding assistants · facts checked 14 Sept 2026
Aider vs JetBrains
JetBrains scores 7.1 to Aider's 6.4 among the AI coding assistants we rate, and is the better pick for 1 of the 4 kinds of buyer below.
From
Free — Open Source
Free plan
Yes
From
$10/mo (AI Pro)
Free plan
Yes — free tier with limited AI credits and unlimited local code completion
The verdict
JetBrains wins, 7.1 to 6.4
Aider uniquely has 5 features · JetBrains uniquely has 4 features.
Best for
Who each one suits, decided on the criteria that matter to that buyer and the checked facts where the two differ.
Developers on large codebases
JetBrains
Aider 2.5 · JetBrains 5.5 on agents and your codebase
- Agents that work in the cloud and open pull requests: JetBrains yes, Aider no
- Suggests code as you type: JetBrains yes, Aider no
- But Aider leads on understands your whole codebase: Aider yes, JetBrains no
Developers paying their own way
Too close to call
Aider 10.0 · JetBrains 10.0 on pricing
Teams that pick their own models
A
Aider
Aider 10.0 · JetBrains 9.5 on model freedom
- AI model families you can choose: Claude, gpt, gemini, grok, deepseek against Claude, gpt, gemini, grok
Companies strict about code privacy
Too close to call
Aider 5.1 · JetBrains 5.1 on privacy and security and where it works
- Option to keep no copy of your code: Aider not published, JetBrains no
- SOC 2: Aider no, JetBrains not published
- Open source: Aider yes, JetBrains no
Section 01
How they score
Both are scored the same way, against the other AI coding assistants we rate, from facts on each vendor's own pages. They split the criteria 1 each, with the rest level.
Agents and your codebase25% of the score
Aider2.5
JetBrains5.5
Pricing20% of the score
Aider10.0
JetBrains10.0
Model freedom20% of the score
Aider10.0
JetBrains9.5
Privacy and security20% of the score
Aider6.0
JetBrains6.0
Where it works15% of the score
Aider4.0
JetBrains4.0
Section 02
Where they differ
Every point where the two vendors' published facts disagree, with a link to where each fact was read. "Not published" means the vendor does not say either way.
AI model families you can choose
Aider
Published by only one of them
Monthly price, cheapest paid plan
Aider
Does not apply
Option to keep no copy of your code
Aider
Not published
SOC 2
JetBrains
Not published
Where they match (7)
Section 03
Pricing, plan by plan
Every plan each vendor publishes, monthly and yearly where both are offered.
AAider
Open Source / Free
Free
Free to install; user pays only their own LLM API costs (OpenAI, Anthropic, DeepSeek, etc.)
JetBrains
All Product Packs
$29.90/mo · $299/yr
Best offer, Includes 10 IDEs, Air, 3 extensions, 2 profilers, and JetBrains AI Pro, First year: US $299.00, Second year: US $239.00, Third year onwards: US $179.00
Intel IDEA Ultimate
$19.90/mo · $199/yr
Professional IDE for Java and Kotlin development, JetBrains AI Free included, First year: US $199.00, Second year: US $159.00, Third year onwards: US $119.00
dotUltimate
$21.90/mo · $219/yr
Developer toolkit for .NET and game development, JetBrains AI Pro included, First year: US $219.00, Second year: US $175.00, Third year onwards: US $131.00
Section 04
Pros and cons
From each tool's full review, written from the same checked facts.
AAider
Pros
- Terminal-native interface keeps workflow focused with no browser tabs or sidebar widgets cluttering the experience.
- Works with multiple LLMs including Claude 3.7 Sonnet, OpenAI o1, and DeepSeek R1, giving users cost and performance flexibility.
- Repo map feature indexes the entire codebase before prompting, enabling multi-file edits with structural context most competitors lack.
- Automatic git commits with sensible messages mean every AI-generated change is tracked, diffable, and fully reversible.
- Linting and auto-testing loop lets Aider run your test suite after each change and attempt self-correction before surfacing results.
- Completely free to run with no SaaS subscription — you bring your own API keys and pay only for model usage.
- Handles multi-file refactoring, feature generation, and bug fixes triggered by failing tests through a single plain-language chat interface.
Cons
- No inline autocomplete or tab-complete behavior, which will disappoint developers expecting a GitHub Copilot-style experience.
- Terminal-native design means it won't suit developers who prefer GUI-based or IDE-integrated tools like Cursor.
- Requires managing your own API keys and understanding LLM provider costs, adding setup friction for less technical users.
- The opinionated minimal design means it either clicks immediately or feels like the wrong tool entirely — limited middle ground.
- Larger codebases may experience slower or more expensive interactions due to repo map indexing consuming context window and API tokens.
- Community feedback and Reddit threads are primary documentation sources, suggesting official support resources may be limited.
JetBrains
Pros
- Deep IDE integration means no context-switching — the AI layer sits directly inside IntelliJ, PyCharm, WebStorm, and other JetBrains tools developers already use daily.
- Multi-model backend pulls from GPT-4, Claude, and Google Gemini/Codey, so teams aren't locked into a single vendor's approach to code generation.
- Codebase-aware autocomplete leverages decades of JetBrains static analysis investment, though broader project context has to be attached manually rather than indexed automatically.
- The AI Agent Communication Protocol (ACP) allows 25+ third-party agents to plug into JetBrains workflows, offering unusual openness for an IDE-native AI tool.
- Cross-editor support is beginning to emerge, including compatibility with the Zed editor, expanding reach beyond JetBrains' own ecosystem.
- Arrives to an established user base of tens of millions of professional developers, meaning adoption friction is minimal for existing JetBrains customers.
- Enterprise teams benefit from model flexibility and agent extensibility in ways that few competing IDE-native AI tools currently offer.
Cons
- The AI Assistant is an add-on to an existing ecosystem, making it a poor fit for developers who don't already use JetBrains IDEs.
- The tool hasn't been independently tested hands-on by this reviewer, so findings rely entirely on vendor documentation and public pricing.
- Solo developers may find the multi-model flexibility and ACP protocol overkill compared to simpler, more focused AI coding tools.
- Being positioned as an ecosystem deepener rather than a standalone product means the value proposition collapses if you leave the JetBrains suite.
- The generic marketing language around features like 'AI-powered code completion' undersells what the tool actually does, making it harder to evaluate before trying.
- Dependency on multiple third-party model providers (OpenAI, Anthropic, Google) introduces potential inconsistency and vendor risk over time.
Section 05
Aider vs JetBrains: common questions
Which is better, Aider or JetBrains?
JetBrains scores 7.1 and Aider 6.4 out of 10 among the AI coding assistants we rate. JetBrains is ahead on agents and your codebase. Aider is ahead on model freedom.
Is Aider or JetBrains cheaper?
Aider's cheapest paid plan is Free — Open Source and JetBrains's is $10/mo (AI Pro). Compare what each plan includes below before going on price alone.
Do Aider and JetBrains have a free plan?
Yes, both do.
What can Aider do that JetBrains cannot?
On the facts both vendors publish: understands your whole codebase and open source.
What can JetBrains do that Aider cannot?
On the facts both vendors publish: agents that work in the cloud and open pull requests and suggests code as you type.
Keep comparing
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