Auto57%Harbor: pendingCodingAgentic / Tool Use

SWE-bench Complex

SWE-bench Complex A contamination-free, complexity-focused evaluation set for AI coding agents.

How to run

ltb · swe-bench-complex
$ npm i -g lettokenburn-cli
$ ltb bench pull swe-bench-complex

External harness. Requires the SWE-bench style execution harness; run with the official harness or an agent scaffold (mini-swe-agent, openhands). Harbor adapter pending. https://github.com/SWE-bench/SWE-bench

Runs happen on your machine with your own subscription; only the score summary is pushed. CLI docs

Scores

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Every number links to where it was published. Low-confidence rows are muted and need per-cell verification.

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About

SWE-bench Complex

A contamination-free, complexity-focused evaluation set for AI coding agents. SWE-bench Complex is a curated dataset of 115 real-world GitHub issues from major Python open-source projects, designed specifically for studying code complexity in AI-generated patches. All tasks were merged between January–March 2026, guaranteeing they postdate the training cutoff of current frontier models.

Task-Text Judge Comparison

GPT-5.4 reviewed solver-visible…