Fun with Large Models
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Fun with Large Models

Master's graduate from Beijing Institute of Technology, published four top‑journal papers, previously worked as a developer at ByteDance and Alibaba. Currently researching large models at a major state‑owned enterprise. Committed to sharing concise, practical AI large‑model development experience, believing that AI large models will become as essential as PCs in the future. Let's start experimenting now!

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Recent Articles

Latest from Fun with Large Models

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Fun with Large Models
Fun with Large Models
Mar 25, 2026 · Artificial Intelligence

Quick Guide to LangChain DeepAgents: Core Features and Fast Onboarding

This article introduces the background and key advantages of the DeepAgents framework, explains its four core capabilities—task planning, context management, sub‑agent generation, and long‑term memory—and provides a step‑by‑step code example that builds a complex AI agent with just a few lines of Python.

AI AgentsDeepAgentsLangChain
0 likes · 11 min read
Quick Guide to LangChain DeepAgents: Core Features and Fast Onboarding
Fun with Large Models
Fun with Large Models
Mar 20, 2026 · Artificial Intelligence

Step‑by‑Step Guide to Using LLaMAFactory for Full‑Cycle Large‑Model Training (Part 9)

This article walks through the complete workflow of fine‑tuning a Qwen2.5‑0.5B model with LLaMAFactory, covering environment setup, model download, dataset preparation, configuration editing, training execution, LoRA weight merging, and deployment via vLLM, while highlighting the framework’s minimal‑code and broad model support.

AI model trainingLLamaFactoryLoRA
0 likes · 12 min read
Step‑by‑Step Guide to Using LLaMAFactory for Full‑Cycle Large‑Model Training (Part 9)
Fun with Large Models
Fun with Large Models
Mar 15, 2026 · Artificial Intelligence

A Complete Guide to 2026’s Hottest Tech Concept: Agent Engineering

The article explains Agent Engineering—a systematic approach that turns nondeterministic large‑language‑model agents into reliable production‑grade applications through an iterative build‑test‑deploy‑observe‑improve loop, combining product, engineering, and data‑science thinking to address unpredictability and achieve continuous growth.

AI AgentData‑Driven OptimizationLLM
0 likes · 12 min read
A Complete Guide to 2026’s Hottest Tech Concept: Agent Engineering
Fun with Large Models
Fun with Large Models
Mar 11, 2026 · Artificial Intelligence

LangChain DeepAgents Quick Guide – FileSystem Middleware Gives AI Agents System‑Level Memory Management

This article explains why AI agents need a memory‑management solution, introduces LangChain DeepAgents' FileSystem middleware, details its four backend options for short‑term, long‑term, disk‑based, and hybrid storage, and provides step‑by‑step Python examples for installing, configuring, and using the middleware in real‑world scenarios.

AI AgentDeepAgentsFilesystemMiddleware
0 likes · 16 min read
LangChain DeepAgents Quick Guide – FileSystem Middleware Gives AI Agents System‑Level Memory Management
Fun with Large Models
Fun with Large Models
Mar 8, 2026 · Artificial Intelligence

EasyDataset: End-to-End Guide for Generating QA Datasets for LLM Fine‑Tuning

This article walks through the complete workflow of using EasyDataset to create high‑quality question‑answer pairs for supervised fine‑tuning, covering question generation (single and batch), three generation algorithms, answer generation (including chain‑of‑thought and multi‑turn dialogue), a hybrid quality‑assessment pipeline, and export to Alpaca or ShareGPT formats.

Alpaca formatData QualityEasyDataset
0 likes · 18 min read
EasyDataset: End-to-End Guide for Generating QA Datasets for LLM Fine‑Tuning
Fun with Large Models
Fun with Large Models
Feb 27, 2026 · Artificial Intelligence

Step‑by‑Step EasyDataset Workflow for Building High‑Quality LLM Training Data

This guide walks readers through installing EasyDataset, creating a project, uploading documents, choosing appropriate chunking strategies, cleaning the data, generating domain tag trees, and exporting a polished pre‑training dataset, with concrete examples, configuration screenshots, and practical recommendations for each step.

AI modelEasyDatasetLLM data preparation
0 likes · 20 min read
Step‑by‑Step EasyDataset Workflow for Building High‑Quality LLM Training Data
Fun with Large Models
Fun with Large Models
Feb 25, 2026 · Artificial Intelligence

Fast Guide to LangChain DeepAgents: Using Summarization Middleware to Optimize Agent Memory

This article explains how LangChain DeepAgents' Summarization middleware automatically compresses conversation history to overcome large‑model context window limits, detailing its core mechanism, applicable scenarios, configuration parameters (trigger, keep, model, summary_prompt), and step‑by‑step Python examples that illustrate its integration and internal message flow.

AI AgentsContext WindowDeepAgents
0 likes · 23 min read
Fast Guide to LangChain DeepAgents: Using Summarization Middleware to Optimize Agent Memory
Fun with Large Models
Fun with Large Models
Feb 24, 2026 · Artificial Intelligence

DeepAgents Quickstart Guide: A Full Walkthrough of Core Features

This article introduces LangChain's DeepAgents framework, explains its design goals, compares it with LangChain and LangGraph, and provides a step‑by‑step code walkthrough that demonstrates task planning, sub‑agent delegation, tool usage, and result generation for building complex AI agents with just a few lines of code.

AI AgentsDeepAgentsLangChain
0 likes · 15 min read
DeepAgents Quickstart Guide: A Full Walkthrough of Core Features
Fun with Large Models
Fun with Large Models
Feb 17, 2026 · Artificial Intelligence

Inside Qwen3.5: The World’s Strongest Open‑Source Multimodal Model and Its Core Features

Qwen3.5‑397B‑A17B, the newly open‑sourced multimodal giant, combines a 400‑billion‑parameter sparse MoE architecture with FP8 pipelines and an asynchronous RL framework to deliver GPT‑5.2‑level capabilities, 60% lower memory usage, up to 19× higher throughput, and extensive image, video, and agent support, while outlining its deployment requirements and API pricing.

AI inferenceFP8Multimodal Model
0 likes · 11 min read
Inside Qwen3.5: The World’s Strongest Open‑Source Multimodal Model and Its Core Features