Tools

References I needed, so I built them.

Interactive guides to decisions that come up constantly in AI infrastructure work. Checked against primary sources rather than assembled from blog posts.

Fine-tuning cost calculator

Estimate a fine-tuning project for text, images, videos, audio or classifiers. Choose your examples and delivery package to see a simple price range.

Service pricingOpen sourceProject estimates
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Fine-tuning method explorer

Twenty-nine methods — LoRA and its variants, memory tricks, alignment and multi-GPU strategies — with a wizard that narrows by hardware and constraint.

LoRAQLoRAGRPOFSDP
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Inference engine explorer

Thirty-one serving and local engines with verified repo links, and a configurator that picks one for your model size, GPUs and use case.

vLLMSGLangllama.cppMLX
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Will it fit? — VRAM calculator

Model size, quantization and context to a VRAM figure — weights, KV cache and optimizer broken out — and how many 3090/4090/5090/A100/H100 GPUs that needs.

VRAMKV cacheMulti-GPU
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GPU comparison

NVIDIA, AMD and Intel — RTX 3090 up to Blackwell and CDNA4 — VRAM, bandwidth, FP16 TFLOPS, low-precision and power. Filter by vendor, sort any column.

NVIDIAAMDIntel
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Quantization format explorer

GGUF, AWQ, GPTQ, EXL, FP8, FP4, NF4 — size versus quality and which engines read each, so you can pick the right bits-per-weight.

GGUFAWQFP8
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The VC Framework

A disciplined process for building software with agentic coding CLIs — Claude Code, Codex, Gemini CLI — plus what changed and what's timeless. Refreshed July 2026.

Claude CodeCodexMCP
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Something missing?

Tell me what you'd want to look up.

These started as notes I kept re-deriving. If there's a decision you keep making from scratch, it might be worth building.