Skip to content
← All projects

fast-langgraph

Rust + Python

Rust-backed checkpoint and state operations for LangGraph. Drop-in, zero config, 737× faster checkpoint serialization.

What it is

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

Terminal
$ pip install fast-langgraph
Language
Rust + Python
Licence
Verify at linked source
Category
Performance Accelerators
Author
Neul Labs

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.