NATURAL PLAN: Benchmarking LLMs on Natural Language Planning
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Cited by 49 in LLM reasoning, but placed by its own abstract, which didn’t fit.
Abstract (arXiv)
We introduce NATURAL PLAN, a realistic planning benchmark in natural language containing 3 key tasks: Trip Planning, Meeting Planning, and Calendar Scheduling. We focus our evaluation on the planning capabilities of LLMs with full information on the task, by providing outputs from tools such as Google Flights, Google Maps, and Google Calendar as contexts to the models. This eliminates the need for a tool-use environment for evaluating LLMs on Planning. We observe that NATURAL PLAN is a challenging benchmark for state of the art models. For example, in Trip Planning, GPT-4 and Gemini 1.5 Pro could only achieve 31.1% and 34.8% solve rate respectively. We find that model performance drops drastically as the complexity of the problem increases: all models perform below 5% when there are 10 cities, highlighting a significant gap in planning in natural language for SoTA LLMs. We also conduct extensive ablation studies on NATURAL PLAN to further shed light on the (in)effectiveness of approaches such as self-correction, few-shot generalization, and in-context planning with long-contexts on improving LLM planning.
Key facts. Cited by 125 papers in the map (data through 7 Oct 2026). Builds on 17 of its 34 references that are in the map. First posted on arXiv 6 Jun 2024.
Builds on
17 of 34 references.
References · 17
- 2020Language Models are Few-Shot Learnerscited by 32,199
- 2023GPT-4 Technical Reportcited by 18,132
- 2021Training Verifiers to Solve Math Word Problemscited by 9,743
- 2021Evaluating Large Language Models Trained on Codecited by 8,053
- 2022Inner Monologue: Embodied Reasoning through Planning with Language Modelscited by 1,057
- 2023Large Language Models Cannot Self-Correct Reasoning Yetcited by 965
- 2023Reasoning with Language Model is Planning with World Modelcited by 846
- 2022ProgPrompt: Generating Situated Robot Task Plans using Large Language Modelscited by 598
- 2023LLM+P: Empowering Large Language Models with Optimal Planning Proficiencycited by 496
- 2024TravelPlanner: A Benchmark for Real-World Planning with Language Agentscited by 385
- 2023On the Planning Abilities of Large Language Models : A Critical Investigationcited by 308
- 2023PromptAgent: Strategic Planning with Language Models Enables Expert-level Prompt Optimizationcited by 226
5 more
- 2023Leveraging Pre-trained Large Language Models to Construct and Utilize World Models for Model-based Task Planningcited by 204
- 2023Task and Motion Planning with Large Language Models for Object Rearrangementcited by 140
- 2023Generalized Planning in PDDL Domains with Pretrained Large Language Modelscited by 139
- 2018Task Planning in Robotics: an Empirical Comparison of PDDL-based and ASP-based Systemscited by 40
- 2020Task-Motion Planning for Safe and Efficient Urban Drivingcited by 7
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Citing papers per year: 2024: 23; 2025: 70; 2026: 32.
125 papers.
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50 most cited of 125 All 125 (JSON)
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- 2026TREK: A Travel Reasoning and Evaluation Kit for LLM Agents in Complex Trip Planning29 Jul 2026
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- 2026Roles with Rails: Contract-Preserving Role Evolution in Multi-Agent Structured Reasoning27 May 2026
- 2026Extracting Search Trees from LLM Reasoning Traces Reveals Myopic Planning7 May 2026
- 2026IE as Cache: Information Extraction Enhanced Agentic Reasoning16 Apr 2026
- 2026MATEO: A Multimodal Benchmark for Temporal Reasoning and Planning in LVLMs16 Feb 2026
- 2026Budget-Aware Anytime Reasoning with LLM-Synthesized Preference Data16 Jan 2026
- 2026Programming over Thinking: Efficient and Robust Multi-Constraint Planning14 Jan 2026
- 2025Understanding and Steering the Cognitive Behaviors of Reasoning Models at Test-Time31 Dec 2025
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- 2026LiveAgentBench: Comprehensive Benchmarking of Agentic Systems Across 104 Real-World Challenges3 Mar 2026
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