An LLM authors the PDDL; ferroplan solves it — fast, cheap, inspectable, identical every run. Pick a domain or paste your own. It plans entirely in your browser via WebAssembly.
0.71×
vs Metric-FF
40/40
STRIPS solved
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server calls
ExampleModeSearchRun on
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domain.pddl
problem.pddl
EHC + helpful actions, falling back to weighted best-first. The plan found is identical for any thread count.
Choose an example or paste your own, then hit Plan.
solved domains plan essentially for free — no LLM call per decision per agent