Claude Code vs Windsurf

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

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Claude Code leads overall with a score of 43 out of 100, ahead of Windsurf's 25. Claude Code is named in 40 of 70 answers, compared to 28 of 70 for Windsurf. Head-to-head, Claude Code comes out ahead in 9 questions, Windsurf in 4, with 7 ties. Claude Code shows up in 4 of 4 answers for top AI coding assistants in 2026 and all 3 answers on writing tests, while Windsurf matches that same 4 of 4 for 2026's top tools and also for best AI coding assistants and best AI code editor. Scores vary a lot by assistant: Gemini rates Windsurf 54 but Claude Code just 5.

Head to head

metric	Claude Code	Windsurf
score	43	25
questions won	16	11

By assistant

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

Windsurf

assistant	score	named in, this week	usual spot, this week
ChatGPT	11	20% of answers	#7.0
Claude	26	45% of answers	#5.9
Gemini	54	80% of answers	#4.3
Perplexity	24	35% of answers	#4.0

Where they differ

Only Claude Code gets named for

Which AI coding assistant is best for large codebases?
What's the best AI coding assistant that works in the terminal?
Which AI coding tool is best for writing tests?
Which AI coding assistant is best for professional developers?
Which AI coding tool writes the most reliable code?
What's the best AI tool to review pull requests automatically?

Only Windsurf gets named for

What are the best free AI coding assistants?

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