ResearchResearch paperReasoning & Planning · Large Language Models1 source · Oct 14, 2026

BANGLAPLAN: A Benchmark for Constraint-Based Planning and Decision-Making in Bangla

We introduce BANGLAPLAN, a benchmark of 1,000 problems across ten task families grounded in everyday life and institutions in Bangladesh.

Key points

  • Large language models (LLMs) increasingly help users arrange appointments, plan journeys, and allocate limited resources.
  • However, benchmarks for evaluating planning and decision-making in Bangla under explicit constraints remain lacking.
  • We construct the benchmark through language-model-assisted drafting and independent human validation.
  • We find a large performance gap: GPT-6.1 Sol achieves 98.7% accuracy and Qwen3.5-27B with thinking reaches 80.3%, while direct-answer configurations score at most 30.9%.

Sources (1)

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