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Colombian Legal Reliability Benchmark

A Reliability Benchmark for the Colombian Legal System

Expert-validated benchmark of 1042 items across ten legal areas and three formats (MCQ, semi-open, IRAC) evaluating LLM reliability on Colombian law.

How to run

ltb · colombian-legal-reliability-benchmark
$ npm i -g lettokenburn-cli
$ ltb bench info colombian-legal-reliability-benchmark

External harness. No Harbor adapter has been generated for this benchmark yet. `ltb bench info` prints the known links.

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

Scores

13 sourced entries
HarnessSourceConfidenceLink
Gemini 3.1 Pro90.5N/AIndependentmediumOct 2, 2026arxiv.org
Claude Opus 4.5 (2025-11-01)86.9N/AIndependentmediumOct 2, 2026arxiv.org
GPT-5.485.9N/AIndependentmediumOct 2, 2026arxiv.org
GLM-5.285.6N/AIndependentmediumOct 2, 2026arxiv.org
Claude Sonnet 4.5 (2025-09-29)80.3N/AIndependentmediumOct 2, 2026arxiv.org
GLM-4.679.0N/AIndependentmediumOct 2, 2026arxiv.org
Kimi K2.575.4N/AIndependentmediumOct 2, 2026arxiv.org
DeepSeek V3.272.8N/AIndependentmediumOct 2, 2026arxiv.org
WizardLM-2-8x22B72.1N/AIndependentmediumOct 2, 2026arxiv.org
Qwen3 235B70.8N/AIndependentmediumOct 2, 2026arxiv.org
Nemotron 49B69.5N/AIndependentmediumOct 2, 2026arxiv.org
Qwen2.5-72B-Instruct67.2N/AIndependentmediumOct 2, 2026arxiv.org
Llama-3.3-70B-Instruct66.2N/AIndependentmediumOct 2, 2026arxiv.org

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

Reproduced by the community

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About

The benchmark comprises 1042 expert-validated questions spanning ten areas of Colombian law, built via a human-in-the-loop pipeline. It includes closed multiple-choice, semi-open, and open-ended (IRAC) formats.

Scoring uses format-appropriate metrics, including accuracy for MCQs and factual correctness for free text. Results show high MCQ accuracy but low free-text correctness (<0.45), revealing a dissociation between relevancy and correctness.