book

Generative AI with LangChain

Name: Generative AI with LangChain
Author: Ben Auffarth
ISBN: 9781835083468

by Ben Auffarth

December 2023

Intermediate to advanced

376 pages

9h 15m

English

Packt Publishing

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Contributors
About the contributing author
Preface
Who this book is forWhat this book coversTo get the most out of this bookWork with notebooks and projectsGet in touch
What Is Generative AI?
Getting the most out of this book – get to know your free benefits Introducing generative AIWhat are generative models?Why now?Understanding LLMsHow do GPT models work?TransformersPre-trainingTokenizationConditioningHow have GPT models evolved?Model sizeThe GPT model seriesPaLM and GeminiLlama and Llama 2Claude 1–3Mixture of Experts (MoE)How to use LLMsWhat are text-to-image models?What can AI do in other domains?SummaryQuestions
LangChain for LLM Apps
Going beyond stochastic parrotsWhat are the limitations of LLMs?How can we mitigate LLM limitations?What is an LLM app?What is LangChain?Exploring key components of LangChainWhat are chains?What are agents?What is memory?What are tools?How does LangChain work?LangChain package structureComparing LangChain with other frameworksSummaryQuestions
Getting Started with LangChain
How to set up the dependencies for this bookExploring cloud integrationsEnvironment setup and API keysOpenAIHugging FaceGoogleBuilding blocks for LLM interactionLLMsFake LLMChat modelsPromptsChainsLangChain Expression LanguageText-to-ImageDall-EReplicateImage understandingRunning local modelsHugging Face Transformersllama.cppGPT4AllPrototyping an application for customer serviceSentiment analysisText classificationDocument summarizationApplying map-reduceMonitoring token usageSummaryQuestions
Building Capable Assistants
Answering questions with toolsTool useDefining custom toolsTool decoratorSubclassing BaseToolStructuredTool dataclassError handlingImplementing a research assistant with toolsBuilding a visual interfaceExploring agent architecturesExtracting structured information from documentsMitigating hallucinations through fact-checkingSummaryQuestions
Building a Chatbot Like ChatGPT
What is a chatbot?From vectors to RAGVector embeddingsEmbeddings in LangChainVector storageVector indexingVector librariesVector databasesDocument loadersRetrievers in LangChainkNN retrieverPubMed retrieverCustom retrieversImplementing a chatbot with a retrieverDocument loadersVector storageConversation Memory: Preserving ContextConversationBufferMemoryConversationBufferWindowMemoryConversationSummaryMemoryConversationKGMemoryCombinedMemoryLong-term persistenceModerating responsesGuardrailsSummaryQuestions
Developing Software with Generative AI
Software development and AICode LLMsWriting code with LLMsVertex AIStarCoderStarChatLlama 2Small local modelAutomating software developmentImplementing a feedback loopTool useError handlingFinishing touches to our developerSummaryQuestions
LLMs for Data Science
The impact of generative models on data scienceAutomated data scienceData collectionVisualization and EDAPreprocessing and feature extractionAutoMLUsing agents to answer data science questionsData exploration with LLMsSummaryQuestions
Customizing LLMs and Their Output
Conditioning LLMsMethods for conditioningReinforcement learning with human feedbackLow-rank adaptationInference-time conditioningFine-tuningSetup for fine-tuningOpen-source modelsCommercial modelsPrompt engineeringPrompt techniquesZero-shot promptingFew-shot learningCoT promptingSelf-consistencyToTSummaryQuestions

Generative AI in Production
How to get LLM apps ready for productionHow to evaluate LLM appsComparing two outputsComparing against criteriaString and semantic comparisonsRunning evaluations against datasetsHow to deploy LLM appsFastAPI web serverRayHow to observe LLM appsTracking responsesObservability toolsLangSmithPromptWatchSummaryQuestions
The Future of Generative Models
The current state of generative AIChallengesTrends in model developmentBig Tech vs. small enterprisesArtificial General IntelligenceEconomic consequencesCreative industriesEducationLawManufacturingMedicineMilitarySocietal implicationsMisinformation and cybersecurityRegulations and implementation challengesThe road ahead
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Generative AI with LangChain

by Ben Auffarth

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