PeakLab
Our expertise

Agency specialized in LangChain

LLM Framework

LangChain

Our LangChain development services

RAG systems and semantic search

We build retrieval-augmented generation pipelines that connect your documents, databases, and knowledge bases to LLMs, delivering accurate, contextual answers grounded in your data.

AI agents and tool-use systems

We design multi-step AI agents with LangChain that reason, use tools, call APIs, and execute tasks autonomously, from document analyzers to customer support bots.

LLM chain orchestration

We structure complex multi-step LLM workflows using LangChain's composable chain and LCEL primitives, prompt chaining, conditional routing, and parallel execution.

Vector database integration

We integrate and optimize vector stores, Pinecone, Weaviate, pgvector, with your LangChain pipelines for efficient similarity search and knowledge retrieval at scale.

Why build with LangChain?

01

Abstraction over any LLM provider

LangChain provides a unified interface over OpenAI, Anthropic, Mistral, Cohere, and local models. Switch providers or run A/B tests without rewriting your application logic.

02

Production-ready RAG toolkit

Document loaders, text splitters, embedding models, and vector store integrations are pre-built and composable, standing up a RAG system takes days instead of weeks.

03

Agent framework with memory

LangChain's agent primitives support tool-calling, conversation memory, and multi-step reasoning, the building blocks of truly useful AI applications beyond simple chat.

04

LangSmith for observability

LangChain's ecosystem includes LangSmith for tracing, debugging, and evaluating LLM chains, giving you visibility into prompt performance and failure modes in production.

Why trust us with your project?

AI engineering, not just prompting

We architect complete AI systems, retrieval pipelines, agent loops, evaluation frameworks, not just wrapper applications around a single API call.

Production reliability focus

We implement retry logic, fallback models, cost guardrails, and response validation so your LangChain applications behave predictably under real-world conditions.

Evaluation-driven development

We define quality metrics and build evaluation datasets before shipping, measuring RAG accuracy, hallucination rates, and latency systematically.

Integration with your existing systems

We embed LangChain capabilities into your existing product via APIs and webhooks, minimizing disruption while adding powerful AI features.

Our process with LangChain

01

Use case definition and data audit

We identify the specific AI capability you need, audit your existing data and documents, and define success metrics before designing the system.

02

Prototype and evaluation

We build a focused prototype, test it against representative queries, and measure quality, iterating on retrieval strategy, prompts, and model selection.

03

Production implementation

We build the full LangChain pipeline with proper error handling, tracing, cost monitoring, and integration into your product or infrastructure.

04

Monitoring and continuous improvement

We deploy with LangSmith observability and establish a feedback loop so the system improves over time based on real usage patterns.

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