GISAgentBench - Terrain Modeling and Hydrological Analysis: leaderboard
Metric: Strict task success rate (%; share of the 63 Terrain Modeling and Hydrological Analysis tasks whose output file matches the exact ground-truth output within the task's declared tolerance under deterministic structural and value checks, no LLM judge; LangChain ReAct agent over a fixed harness of 128 GIS APIs backed by QGIS, GDAL and GeoPandas; 50 tool calls per task, temperature 0, one run per task, July 2026). Source: arxiv.org. Saturation forecast: Around 2028. 6 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | DeepSeek V4 Pro | 28.6 |
| 2 | GPT-5.4 | 23.8 |
| 3 | Claude Opus 4.6 | 23.8 |
| 4 | Gemini 3.1 Pro (Preview) | 19 |
| 5 | Qwen 3.6 27B | 15.9 |
| 6 | GPT-OSS-120B | 9.5 |
Interactive version: theaggregate.ai/benchmark?slug=gisagentbench-terrain-modeling-and-hydrological-analysis · How It Works · Data refreshed daily, snapshot 2026-09-29.