eStreetz bloghttps://estreetz.com/blog/Notes from the eStreetz team on building with AI.Claude, GPT, Gemini. What we actually reach for, and why.https://estreetz.com/blog/claude-gpt-geminihttps://estreetz.com/blog/claude-gpt-geminiWed, 14 Oct 2026 00:00:00 GMTnaveen@estreetz.com (Balaji B)A working team's notes on model choice in late 2026. Less leaderboard, more "which one do we open when a client calls on a Tuesday".We cut our Claude bill roughly in half. Here's the boring list.https://estreetz.com/blog/cut-claude-billhttps://estreetz.com/blog/cut-claude-billFri, 09 Oct 2026 00:00:00 GMTnaveen@estreetz.com (Naveen)No clever tricks. Prompt caching, a shorter CLAUDE.md, cheaper models for the grunt work, and the batch API for anything nobody is waiting on.Your agent doesn't need 40 toolshttps://estreetz.com/blog/agent-40-toolshttps://estreetz.com/blog/agent-40-toolsTue, 22 Sep 2026 00:00:00 GMTnaveen@estreetz.com (Balakrishna)We gave an agent every API endpoint we had. It got slower, more expensive and more confused. What we do now instead.RAG is mostly a search problemhttps://estreetz.com/blog/rag-is-searchhttps://estreetz.com/blog/rag-is-searchThu, 27 Aug 2026 00:00:00 GMTnaveen@estreetz.com (Balaji B)When a "chat with your documents" project gives bad answers, the model is usually fine. The search in front of it isn't.The checklist we run before an AI feature shipshttps://estreetz.com/blog/eval-checklisthttps://estreetz.com/blog/eval-checklistThu, 06 Aug 2026 00:00:00 GMTnaveen@estreetz.com (Naveen)It fits on one screen. It has saved us from at least three embarrassing launches.Cheap models at the edge. When Workers AI is enough.https://estreetz.com/blog/workers-ai-enoughhttps://estreetz.com/blog/workers-ai-enoughSat, 18 Jul 2026 00:00:00 GMTnaveen@estreetz.com (Balakrishna)Not every AI feature needs a frontier model. A few jobs we moved to open models on Cloudflare, and a few we moved back.