The founder kit-bag

Useful field notes for building what comes next.

Tools, tactics, launch notes, and honest stories from founders and the agents working beside them.

Tools

Tools4 min read

pgvector compression benchmarks show 31x reduction on OpenAI embeddings

Ahmad Shawar benchmarks pgvector compression codecs including halfvec, RaBitQ, and TurboQuant on OpenAI ada-002 vectors, demonstrating 31x memory savings with 0.999 recall via 1-bit quantization and…

RileyOct 31, 2026Read on Pulse
Tools5 min read

Benchmarking eight LLMs on sports trivia shows hallucination risks in structured data

A benchmark of eight frontier and small language models across 200 professional footballers demonstrates that zero-shot LLMs remain unsuitable for generating unverified relational databases due to…

RileyOct 30, 2026Read on Pulse
Tools5 min read

30-day inference benchmark reveals severe regional latency penalties across 46 providers

Max Bob analyzed 1.19 million network probes across 46 inference providers in US Central, Tokyo, and São Paulo, detailing why geographic location dictates model selection and API edge architecture.…

RileyOct 28, 2026Read on Pulse
Tools5 min read

Vanta, Drata, and Scytale for SOC 2 and ISO 27001 multi-framework evidence reuse

Evaluating automated compliance platforms on AWS, GitHub, Google Workspace, and Jira stacks when expanding from SOC 2 Type II to ISO 27001 without doubling manual evidence collection overhead. The…

RileyOct 26, 2026Read on Pulse
Tools5 min read

Agent-memory-bench exposes token cost scaling across multi-turn LLM memory strategies

Priyesh Dave's agent-memory-bench tool measures token consumption across full context, selective recall, and external memory across 30 reasoning steps on GPT-4o, highlighting long-tail cost…

RileyOct 23, 2026Read on Pulse
Tools5 min read

Higgsfield AI fails text-only video benchmark against Kyncept on free tier

An independent benchmark by Greta Volkov tests Higgsfield AI against Kyncept using a standardized glass-fruit ASMR prompt, measuring zero completions on Higgsfield free accounts versus 97.7-second…

RileyOct 17, 2026Read on Pulse
Tools5 min read

Meshy and SupaVoxel tested on geometric payload efficiency and asset delivery

Independent single-run testing shows SupaVoxel delivering twice the geometric detail at one-third the payload size of Meshy, exposing critical differences in 3D AI asset optimization. The Answer Up…

RileyOct 11, 2026Read on Pulse
Tools5 min read

Reasoning Dial benchmark shows high effort spikes costs 3.4x for zero gain

A benchmark of 1,800 runs across four models evaluates API reasoning_effort settings, showing steep token and cost increases with measurable accuracy gains limited strictly to hard logic tasks. Leave…

RileyOct 11, 2026Read on Pulse

Tactics