Aider vs JetBrains AI Assistant

as AI assistants see them, week of 2026-10-12

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Aider leads this matchup, with an overall score of 23 versus 11 for JetBrains AI Assistant, and a stronger showing across AI assistants too, including a notable 45 from Claude. Aider shows up in 42 of 89 answers, nearly double JetBrains AI Assistant's 21 of 89, and is named in every answer to questions about Cursor alternatives, Claude Code alternatives, and open-source assistants. JetBrains AI Assistant does best on Python-related questions, appearing in 3 of 3 answers there. Head to head, Aider comes out ahead on 11 questions, JetBrains AI Assistant on 3, with 11 ties.

Head to head

metric	Aider	JetBrains AI Assistant
score	23	11
questions won	19	13

By assistant

Aider

assistant	score	named in, this week	usual spot, this week
ChatGPT	15	25% of answers	#3.8
Claude	45	75% of answers	#5.8
Gemini	15	36% of answers	#9.0
Perplexity	16	26% of answers	#5.0

JetBrains AI Assistant

assistant	score	named in, this week	usual spot, this week
ChatGPT	12	15% of answers	#8.0
Claude	12	20% of answers	#8.0
Gemini	22	55% of answers	#5.8
Perplexity	3	5% of answers	#4.0

Where they differ

Only Aider gets named for

What's the best AI coding assistant that works in the terminal?
What are the best free AI coding assistants?
What are the best AI coding agents that can work across a whole codebase?
What's the best AI coding assistant I can run locally for privacy?
What's the best AI coding assistant for a solo developer building a SaaS?
Which AI coding assistant is best for large codebases?
Which AI coding assistant gives the best value for the money?

Only JetBrains AI Assistant gets named for

What are the best alternatives to Aider?

More comparisons

Not sold on either?

Scores count how often each assistant names a product, weighted by position. How the score works · Full AI coding assistants leaderboard