Aider vs Claude Code

as AI assistants see them, week of 2026-09-14

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Claude Code comes out ahead here, with an overall score of 43 versus Aider's 22, and a presence in 40 of 70 answers compared to Aider's 27. Head-to-head, Claude Code was named more often on 14 questions, Aider on 3, with 3 ties. Aider tends to show up for local/privacy setups, terminal use, and open-source picks, appearing in every answer for those three questions, but it's never named for beginners, PR review, VS Code, or mobile app questions. Claude Code leads on "top AI coding assistants in 2026" and test-writing questions, but it's never named for local/privacy, beginner, free, or open-source questions.

Head to head

metric	Aider	Claude Code
score	22	43
questions won	16	16

By assistant

Aider

assistant	score	named in, this week	usual spot, this week
ChatGPT	11	20% of answers	#6.5
Claude	45	80% of answers	#6.3
Gemini	12	20% of answers	#5.5
Perplexity	15	25% of answers	#5.4

Claude Code

assistant	score	named in, this week	usual spot, this week
ChatGPT	49	65% of answers	#3.2
Claude	53	75% of answers	#3.8
Gemini	5	10% of answers	#8.0
Perplexity	46	55% of answers	#2.3

Where they differ

Only Aider gets named for

What's the best open-source AI coding assistant?
What's the best AI coding assistant I can run locally for privacy?
What are the best free AI coding assistants?

Only Claude Code gets named for

What's the best AI coding assistant for building mobile apps?
What's the best AI coding assistant for VS Code?
What's the best AI tool to review pull requests automatically?

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