· 18 min read
RAG Code Snippets: Build Retrieval Systems Fast (2026)
25 copy-paste RAG code snippets for Python. Document loading, chunking, embeddings, vector stores, and retrieval patterns that work.
RAGPythonCode Snippets
Code Snippets
Production-ready code snippets for AI development. Copy-paste Python, TypeScript, and API examples that work out of the box.
10 articles
What Code Snippets Covers
This Code Snippets archive brings together explainers, guides, and working examples on Python, LLM, Code Snippets, RAG, Openai, and Claude. Production-ready code snippets for AI development. Copy-paste Python, TypeScript, and API examples that work out of the box.
Use this page when you want a solid starting point, a short list of strong next reads, or a quicker way to compare related ideas before you open a more specific article.
· 14 min read
Vector Database Snippets: Pinecone, Weaviate, Chroma
Copy-paste ready Python code snippets for Pinecone, Weaviate, and Chroma vector databases. Complete examples for indexing, querying, and filtering embeddings.
Vector DatabasesPineconeWeaviate
· 24 min read
AI Function Calling Code: Tool Use Snippets for LLMs
Copy-paste Python code for LLM function calling with OpenAI, Claude, and Gemini. Includes tool definitions, parallel execution, and common tool patterns.
Function CallingTool UseLLM
· 34 min read
AI Error Handling: Retry, Fallback, and Rate Limit Patterns
Production-ready Python code for handling LLM API errors with exponential backoff, rate limiting, and fallbacks, with practical implementation guidance.
Error HandlingPythonAPI
· 22 min read
AI Agent Code Patterns: 15 Reusable Python Templates (2026)
Master 15 AI agent code patterns in Python with copy-paste templates. From ReAct to multi-agent orchestration—production-ready patterns that work anywhere.
ai agentspythoncode patterns
· 20 min read
LangChain Code Snippets: 25+ Patterns for AI Apps (2026)
Master LangChain with 25+ ready-to-use code snippets. LCEL, agents, memory patterns, and production tips for AI app developers.
LangChainPythonCode Snippets
· 20 min read
Claude API Snippets: Python & TypeScript Examples (2026)
Ready-to-use Claude API code snippets in Python and TypeScript. Vision, tool use, streaming, and production patterns. Practical guidance, examples, and tools.
ClaudeAnthropicPython
· 19 min read
Prompt Template Code: 10 Python Patterns for Dynamic Prompts
Master 10 prompt template patterns in Python. From f-strings to Jinja2—create dynamic, reusable prompts for any LLM with copy-paste code snippets.
prompt engineeringpythoncode patterns
· 16 min read
OpenAI API Code Snippets: 30 Ready-to-Use Examples (2026)
Copy-paste OpenAI API code snippets for Python. 30 working examples for chat completions, function calling, streaming, embeddings, and more.
OpenAIPythonCode Snippets
· 13 min read
Streaming LLM Responses: Code for Real-Time AI Output
Copy-paste Python code for streaming responses from OpenAI, Claude, and Gemini APIs. Includes async patterns, error handling, and frontend integration with SSE.
LLMStreamingOpenAI
Best Starting Points in Code Snippets
If you are new to this topic, start with RAG Code Snippets: Build Retrieval Systems Fast (2026), Vector Database Snippets: Pinecone, Weaviate, Chroma, and AI Function Calling Code: Tool Use Snippets for LLMs. Together, those articles give you a clear overview, a few practical examples, and a better sense of where to go next.
Start here
RAG Code Snippets: Build Retrieval Systems Fast (2026)
25 copy-paste RAG code snippets for Python. Document loading, chunking, embeddings, vector stores, and retrieval patterns that work.
Start here
Vector Database Snippets: Pinecone, Weaviate, Chroma
Copy-paste ready Python code snippets for Pinecone, Weaviate, and Chroma vector databases. Complete examples for indexing, querying, and filtering embeddings.
Start here
AI Function Calling Code: Tool Use Snippets for LLMs
Copy-paste Python code for LLM function calling with OpenAI, Claude, and Gemini. Includes tool definitions, parallel execution, and common tool patterns.