fast-langgraph
Rust + Python Rust-backed checkpoint and state operations for LangGraph. Drop-in, zero config, 737× faster checkpoint serialization.
A Rust performance layer for LangGraph. Drop-in components accelerate checkpoint serialization (737× on 235 KB state), state updates (45.9×), LLM caching and executor management — while passing 85 of 88 upstream LangGraph tests.
Install
$ pip install fast-langgraph Frequently asked questions
What is fast-langgraph?
fast-langgraph is an entry in the Neul Labs project catalogue. Rust-backed checkpoint and state operations for LangGraph. Drop-in, zero config, 737× faster checkpoint serialization. A Rust performance layer for LangGraph. Drop-in components accelerate checkpoint serialization (737× on 235 KB state), state updates (45.9×), LLM caching and executor management — while passing 85 of 88 upstream LangGraph tests. Current source, licence, release and documentation status should be verified at the linked project surfaces.
How do I install fast-langgraph?
The catalogue records this install command: `pip install fast-langgraph`. Verify the linked repository, package, supported version and current instructions before use.
What language is fast-langgraph written in?
fast-langgraph is written in Rust + Python.
Is fast-langgraph open source?
Source is linked at https://github.com/neul-labs/fast-langgraph. Inspect the repository licence and release metadata for the exact version; Neul Labs does not apply one blanket licence claim to the whole catalogue.
How does fast-langgraph compare to alternatives?
See the detailed comparison at https://www.neullabs.com/compare/fast-langgraph-vs-langgraph.