Code
Research papers, repositories, and articles about code
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openai/codex
A lightweight coding agent that runs directly in your terminal, wiring OpenAI models into a loop that edits files, runs tests, and applies patches. Compared to IDE plugins, it’s closer to a shell-native ‘pair programmer’ that can operate on entire repos and workflows. Given its rapid adoption and tight integration with existing CLIs, it’s poised to become a reference design for terminal-first code agents.
NL2Repo-Bench: Towards Long-Horizon Repository Generation Evaluation of Coding Agents
Introduces NL2Repo-Bench, a benchmark where coding agents must generate or modify entire repositories from natural language specifications, rather than solving single-file LeetCode-style tasks. It evaluates long-horizon planning, tool use, and consistency across files and modules. This is a big step toward evaluating code agents in settings that look like real software projects instead of toy problems.
Confucius Code Agent: An Open-sourced AI Software Engineer at Industrial Scale
Meta describes Confucius Code Agent (CCA), an open-source AI "software engineer" built on the Confucius SDK with hierarchical working memory, persistent cross-session notes, and robust tool orchestration. On SWE-Bench-Pro it reaches 54.3% Resolve@1, substantially outperforming prior coding agents while emphasizing transparency and extensibility for industrial-scale workflows. ([huggingface.co](https://huggingface.co/papers/2512.10398))
Confucius Code Agent: An Open-sourced AI Software Engineer at Industrial Scale
HF pitches Confucius Code Agent as an industrial-strength open coding agent with hierarchical working memory, persistent notes, and a meta-agent that continuously refines configurations. If you care about reproducible, extensible coding agents rather than opaque SaaS tools, this is a substantial systems paper. ([huggingface.co](https://huggingface.co/papers/2512.10398))