Author

Mert Batur

Co-Founder, Techsy.io

About Techsy

Articles by Mert Batur

236 articles

  1. LLM Prompt Caching: Cut API Costs by 90% (All 3 Providers)

    · 18 read

    Prompt caching slashes LLM API costs by up to 90% and reduces latency by 85%. This guide covers OpenAI, Anthropic, and Gemini with side-by-side Python code, production cost scenarios, and anti-patterns that silently kill your cache hit rate.

  2. Prisma vs Drizzle: What Prisma 7 Actually Changes

    · 18 read

    Prisma 7 dropped its Rust engine for pure TypeScript -- shrinking bundles 90% and cutting cold starts 9x. We compare schemas, queries, performance, and edge support against Drizzle with real code and honest verdicts.

  4. 8 Best Tools to Run LLMs Locally in 2026, Ranked

    · 22 read

    We tested every major local LLM tool and ranked them. Ollama takes no. 1 for its unmatched ecosystem, but the right pick depends on whether you want a GUI, production throughput, or raw Apple Silicon speed.

  5. 9 Best RAG Tools, Ranked by Real-World Impact [2026]

    · 22 read

    A ranked breakdown of the 9 best RAG tools in 2026, from orchestration frameworks to evaluation libraries. Each tool gets an honest verdict with what's great, what's not, pricing, and who should use it.

  6. 8 LLM Structured Output Libraries Ranked: JSON That Works

    · 14 read

    We ranked every major structured output library from no. 1 to no. 8 -- Instructor, BAML, Vercel AI SDK, Pydantic AI, and more. Includes honest verdicts, pricing notes, and a decision framework so you pick the right one in five minutes.

  7. Fine-Tune Any LLM in 2026: 10 Tools Tested (Cheapest Wins)

    · 18 read

    We ranked the 10 best LLM fine-tuning tools across open-source frameworks, managed APIs, and GPU clouds. From Unsloth's 2-5x speed gains to RunPod's $0.44/hr GPUs, here's what actually matters for your next training run.

  9. 8 Best Function Calling Libraries for LLMs, Ranked [2026]

    · 14 read

    We ranked the 8 best LLM function calling libraries and SDKs for 2026 based on real project experience. From Instructor's validated outputs to Composio's 250+ pre-built tools, here's what actually works in production.

  10. Context Engineering 2026: 8 Tools to Stop Token Bloat

    · 18 read

    We ranked the 8 best context engineering tools across every stack layer -- retrieval, memory, compression, caching, observability, and coding agents. Opinionated picks with honest trade-offs.