JetBrains AI Assistant vs Tabnine

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

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JetBrains AI Assistant and Tabnine land in a near tie overall, scoring 11 and 10 out of 100, and both get named in 15 of 70 answers. JetBrains AI Assistant scores highest with ChatGPT (17) and shows up most for professional developers and Python questions, 3 of 4 answers each. Tabnine scores highest with Gemini (15) and gets named in every answer, 4 of 4, for best AI coding assistants overall, plus 3 of 4 for top assistants in 2026. Head-to-head, Tabnine leads in 6 questions, JetBrains AI Assistant leads in 4, and they tie in 10. Neither is ever named for reliable code or beginner-focused questions.

Head to head

metric	JetBrains AI Assistant	Tabnine
score	11	10
questions won	7	9

By assistant

JetBrains AI Assistant

assistant	score	named in, this week	usual spot, this week
ChatGPT	17	30% of answers	#6.2
Claude	14	30% of answers	#8.2
Gemini	11	20% of answers	#6.0
Perplexity	2	5% of answers	#8.0

Tabnine

assistant	score	named in, this week	usual spot, this week
ChatGPT	9	20% of answers	#8.8
Claude	6	15% of answers	#12.3
Gemini	15	30% of answers	#7.7
Perplexity	14	25% of answers	#6.0

Where they differ

Only JetBrains AI Assistant gets named for

What's the best AI coding assistant for Python?
What's the best AI code editor right now?

Only Tabnine gets named for

What's the best AI coding assistant for VS Code?
What's the best AI coding assistant for building mobile apps?
Which AI coding tool is best for writing tests?
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