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Langtrain

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v2.0 Documentation

Build AI
Like a Pro.

The comprehensive toolkit for fine-tuning and deploying LLMs.
Designed for performance, built for scale.

K
25+
Base Models
99.9%
API Uptime
<100ms
Avg Response
10K+
Active Users

Popular Topics

Quick Start

Deploy your first model in < 5 mins

LoRA Fine-tuning

Efficient training on consumer GPUs

API Reference

Complete endpoints & SDK guide

Deployment

Scale models to millions of users

Explore by Topic

Core Concepts

Deep dive into models, datasets, and training loops.

Models ArchitectureDataset FormattingEvaluation Metrics

Fine-tuning

Learn different fine-tuning methods for your use case.

LoRA & QLoRASFT TrainingRLHF

Platform Features

Advanced capabilities for monitoring and scaling.

Real-time MonitoringAuto-tuningCloud Deployment

Multiple Ways to Integrate

Use our Python SDK for the fastest integration, or call the REST API directly from any language. Full OpenAPI specification available.

Python SDK
pip install langtrain-ai
REST API
OpenAPI 3.0 compatible
JSONL Format
Standard data format

Start building in minutes

Langtrain provides a complete toolkit for the AI lifecycle. Install the SDK and train your first model with just a few lines of code.

Quick Start GuideAPI Reference
1

Install the SDK

pip install langtrain-ai
2

Configure your dataset

Prepare your JSONL data for training.

3

Launch training

Run one command to start fine-tuning on H100s.