GitHub Copilot vs JetBrains IntelliJ IDEA: what AI actually recommends
The same buying questions, run after run, to ChatGPT, Claude, Gemini, and Perplexity: the record of which of these two they name first. No opinions, no scores we invented: what the models said.
AI currently favors GitHub Copilot. Ahead in 1 of 1 shared category on consensus rank.
That is the latest close, not a verdict for all time. The model-by-model board below shows where they agree, where they split, and how both brands moved.
At the latest close, GitHub Copilot leads 1 and JetBrains IntelliJ IDEA leads 0 across the 1 category they both appear in.
Beyond this pairing, GitHub Copilot is ranked in 4 categories and sits at #1 in 2; JetBrains IntelliJ IDEA is ranked in 1 category. The board below is the shared slice, where the four models place these two side by side.
The record, category by category.
Consensus rank · latest close- #4GitHub CopilotNew entry at the last closespread 10PPLX#2
- #6JetBrains IntelliJ IDEANew entry at the last closespread 11Gemini#3
On consensus rank, GitHub Copilot leads here, #4 to JetBrains IntelliJ IDEA's #6. 21 to 18 on the 0-100 score. Every model that separates the two ranks GitHub Copilot ahead. GitHub Copilot is new to the board at this close.
What the models actually said.
The ranking is the answer; these are the words behind it. Every quote is from a recorded model answer — follow the category to read it whole.
GitHub Copilot
Visual Studio Code + GitHub Copilot — The safest all-purpose choice, since you retain the industry’s broadest extension ecosystem while Copilot now supports agentic multi-step work, file edits, terminal commands, tests, MCP, and model choice.
ChatGPT
Where the models split.
Across the 1 category GitHub Copilot and JetBrains IntelliJ IDEA share, the models line up cleanly in 0 and split in the 0 that remain.
Model by model, Perplexity is GitHub Copilot's strongest backer, placing it ahead in 1 of the 1; Gemini leans the other way, favoring JetBrains IntelliJ IDEA in 1.
- ChatGPTsplit 0-0
- Claudesplit 0-0
- Geminifavors JetBrains IntelliJ IDEA 1-0
- Perplexityfavors GitHub Copilot 1-0