Rahul Kolekar

Hi, I’m Rahul Kolekar

AI Engineer – I build practical AI/ML tools, agentic workflows, and production-style RAG systems. Sharing code-first guides and open-source projects.

AI/ML breakthroughs, systems design strategies, software engineering deep-dives, and case studies delivered weekly.

Browse AI/ML Guides

Typing SVG

Systems & MLOps

How To Build Your First Production Ready Agent With OpenAI’s Agents SDK And Responses API (2026 Guide)

How To Build Your First Production Ready Agent With OpenAI’s Agents SDK And Responses

Deep Learning: Generative AI

AI Coding Assistants for Teams: GitHub Copilot Enterprise vs. Cursor vs. JetBrains AI (2026)

A 3,500-word review of AI coding tools for engineering teams. We compare GitHub Copilot, Cursor (AI Editor), and JetBrains AI on security, codebase indexing, and productivity.

Building Agentic RAG Systems with LangGraph: The 2026 Guide

Date: January 3, 2026 Category: Artificial Intelligence / Engineering Reading Time: 15 Minutes

Gemini Pricing in 2026: Gemini API vs Vertex AI (Tokens, Batch, Caching, Imagen, Veo)

Updated Jan 2026. A practical breakdown of Gemini pricing across the Gemini API (AI Studio) and Vertex AI: token rates, Batch discounts, context caching, grounding, Imagen, Veo, embeddings, and cost examples.

Large Language Models

Gemini Pricing in 2026: Gemini API vs Vertex AI (Tokens, Batch, Caching, Imagen, Veo)

Updated Jan 2026. A practical breakdown of Gemini pricing across the Gemini API (AI Studio) and Vertex AI: token rates, Batch discounts, context caching, grounding, Imagen, Veo, embeddings, and cost examples.

OpenAI API Pricing in 2026: A Practical Guide (Models, Tokens, Tiers, Tools)

A practical breakdown of OpenAI API pricing as of Jan 2026: token costs by model, Batch/Flex/Priority tiers, images, audio, video, tools, and examples.

Production RAG in 2026: LangChain vs LlamaIndex

Title: LangChain vs. LlamaIndex: Which Framework is Better for Building Production RAG Apps?

Deep Learning

How To Build Your First Production Ready Agent With OpenAI’s Agents SDK And Responses API (2026 Guide)

How To Build Your First Production Ready Agent With OpenAI’s Agents SDK And

Z-Image (造相): a fast, 6B single-stream diffusion transformer you can run locally (with a full code guide)

Meta description: Z-Image is Tongyi-MAI’s efficient 6B image generation family built on a Scalable Single-Stream DiT (S3-DiT). This post explains what it is,

Gemini Pricing in 2026: Gemini API vs Vertex AI (Tokens, Batch, Caching, Imagen, Veo)

Updated Jan 2026. A practical breakdown of Gemini pricing across the Gemini API (AI Studio) and Vertex AI: token rates, Batch discounts, context caching, grounding, Imagen, Veo, embeddings, and cost examples.

OpenAI API Pricing in 2026: A Practical Guide (Models, Tokens, Tiers, Tools)

A practical breakdown of OpenAI API pricing as of Jan 2026: token costs by model, Batch/Flex/Priority tiers, images, audio, video, tools, and examples.

AI Coding Assistants for Teams: GitHub Copilot Enterprise vs. Cursor vs. JetBrains AI (2026)

A 3,500-word review of AI coding tools for engineering teams. We compare GitHub Copilot, Cursor (AI Editor), and JetBrains AI on security, codebase indexing, and productivity.

Building a Deep Learning Workstation in 2026: RTX 5090 vs. RTX 6000 Ada

The ultimate 2026 guide to building a deep learning workstation. We compare the new RTX 5090 (Blackwell) against the RTX 6000 Ada, analyzing VRAM, training benchmarks, and PCIe 5.0 compatibility.

Deep Learning
Rahul Kolekar on LinkedIn

Never Miss AI/ML Updates!

Rahul Kolekar on GitHub
Systems & MLOps

AI/ML Featured

How To Build Your First Production Ready Agent With OpenAI’s Agents SDK And Responses API (2026 Guide)

How To Build Your First Production Ready Agent With OpenAI’s Agents SDK And Responses

AI/ML Research