Building AI Agents from Scratch in Python (2026)

Build production-ready AI agents in Python without frameworks. Covers function calling, ReAct pattern, memory, multi-tool orchestration, and complete working code using the OpenAI SDK.

ai-agentpython

Reduce AI API Costs by 60%: 7 Proven Strategies for 2026

Cut AI API spending with prompt caching, model tiering, Batch API, semantic caching, and more. Includes 2026 pricing tables and Python code you can deploy today.

cost-optimizationapi-guide