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xLAM
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xLAM

Active·★ 641·Apache-2.0·Updated 2026-06-02

xLAM is a research repository for Large Action Models (LAMs), which aggregates and unifies agent trajectories from diverse environments into a consistent format. It streamlines the creation of a generic data loader optimized for agent training, enabling robust model development across various scenarios.

xLAM sits in the LLM Infra category, so it is usually better judged by workflow fit, deployment style, and team needs than by isolated features alone. Based on the available metadata, it leans most clearly toward Aggregates agent trajectories from distinct environments. A representative use case is Function calling in LLMs. The listed license is Apache-2.0. GitHub stars are currently 639. Relevant tags include Large Action Models, Function Calling.

This write-up is based on the project's README and public repository data. We have not hand-tested the tool.

#Large Action Models#Function Calling#Agent Training#Multi-turn Conversation#LLM
$ Install
$ pip install -e .
↗ Visit site★ GitHub
01

Features

01Aggregates agent trajectories from distinct environments
02Standardizes and unifies trajectories into a consistent format
03Optimized generic data loader for agent training
04Maintains equilibrium across different data sources during training
05Supports efficient inference with Transformers and vLLM
02

Why choose it

+Aggregates agent trajectories from distinct environments
+Standardizes and unifies trajectories into a consistent format
+Function calling in LLMs
+Supports 4 platforms or runtime environments.
03

Trade-offs

!The final decision should still be made through side-by-side comparison with similar tools.
04

Compatibility

Transformers
Native
Verified via docs
vLLM
Supported
Verified via docs
FastChat
Supported
Verified via docs
Python 3.9+
Native
Verified via docs
05

Quick start

1
$ pip install -e .
06

Use cases

↳Function calling in LLMs
↳Training autonomous agents
↳Multi-turn conversation processing
07

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On this page
01Features02Why choose it03Trade-offs04Compatibility05Quick start06Use cases07Alternatives
SalesforceAIResearch /
xLAM
↗

xLAM: A Family of Large Action Models to Empower AI Agent Systems

641Apache-2.0
Last commit4mo ago
StatusActive
CategoryLLM Infra
Links
Documentation↗Discussion↗Issues↗Releases↗
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