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Your IDE already knows your codebase. What happens when coding agents can use that knowledge too?
We tested it with Netflix using Claude Code and Codex. One finding stood out: the strongest models gained the most from IntelliJ IDEA’s code intelligence.
We connected IntelliJ IDEA’s code intelligence to Claude Code and Codex, then tested the setup with Netflix.
The first public results are out.
Typical efficiency gains: 20–30%.
Best code-navigation case: ~65%.
These results come from two real codebases. The efficiency metric


