Graph Structure Finally Tackles LLM Planning Limits for Massive Codebases

Post date: September 25, 2025 · Discovered: April 23, 2026 · 3 posts, 0 comments

A new method utilizes a Repository Planning Graph to solve planning and consistency failures when LLMs generate complex software. This technique reportedly allows for the generation of codebases reaching 36K lines, showing a reported 69.7% pass rate versus 33.9% previously.

Participants are focused on the core concept: replacing vague natural language instructions with structured graphs. Users like yogthos emphasize this structural shift is key to improving LLM planning for long-horizon tasks. Furthermore, cm0002 noted the paper explicitly proposes this graph approach for handling planning and consistency issues in large projects.

The weight of opinion centers on the utility of graph representation. The primary thrust is that structuring the input moves beyond simple prompt engineering. The breakthrough, if verified, centers on this structural scaffolding enabling vastly larger and more reliable code generations.

Key Points

#1The methodology centers on using a Repository Planning Graph.

This structured graph is proposed as the direct solution for LLM planning and consistency failures in complex coding tasks (cm0002).

#2Significant quantitative performance gains were reported.

The technique allegedly supports 36K line codebases with a pass rate of 69.7%, a marked improvement over previous figures (cm0002).

#3The fundamental architectural improvement is noted.

The core breakthrough involves substituting ambiguous natural language inputs with a structured graph for better LLM planning (yogthos).

Source Discussions (3)

This report was synthesized from the following Lemmy discussions, ranked by community score.

12
points
RPG: A Repository Planning Graph for Unified and Scalable Codebase Generation
[email protected]·0 comments·9/25/2025·by yogthos·arxiv.org
7
points
RPG: A Repository Planning Graph for Unified and Scalable Codebase Generation
[email protected]·0 comments·9/25/2025·by yogthos·arxiv.org
4
points
RPG: A Repository Planning Graph for Unified and Scalable Codebase Generation
[email protected]·0 comments·9/25/2025·by cm0002·arxiv.org