Custom AI Inference Chips Are Eating the GPU Market
Discover why frontier AI labs are shifting to custom AI inference chips to solve memory bandwidth bottlenecks, reduce latency, and challenge GPU dominance.
PastAGI
Practical AI guides, honest tool reviews, engineering deep dives, real-world use cases, and sharp analysis that cuts through the hype.
Featured
View all
The End of AI Reasoning Transparency: When Chain of Thought Becomes a Summary
AI reasoning transparency is failing. Learn why models like Claude summarize their chain of thought, why raw logic is hidden, and how to evaluate black box AI agents.
Why AI Agents Leak Sensitive Data (and How to Stop Them)
Discover how autonomous AI agents leak sensitive enterprise data through reasoning traces. Learn practical architectures and sanitization frameworks to prevent exposure.
Recent
Audit-Ready LLM Document Review Means Provable Coverage
Audit-ready LLM document review, decoded from AWS's Amazon Quick lease sweep: the Adjudicated Query pattern for provable coverage of every document.
MCP Agent Verification That Proves Every Claim's Source
MCP agent verification grades each claim's source, not just truth. The decision grid, provenance binding, and eval additions catch wrong-source answers.
Nemotron 3 Diarization Flips the Speaker Labeling Math
Nemotron 3 Diarization is a free 100M-parameter model. We break down pipeline placement for voice agents, run-cost math, and when to self-host diarization.
OpenAI Proaction Case Study Decoded, Claim by Claim
The OpenAI Proaction case study decoded claim by claim, from the 60% sales lift to the 75+ hours saved and what each measures before you copy the stack.
Is a Consumer AI Agent Worth It? $550 Saved, $64 Wasted
Wired's consumer AI agent trial audited. $550 saved, $64 wasted, with per-task economics, failure modes, security risks, and the adopt-versus-build call.
AI Agents vs Workflows? Count Your Branches First
AI agents vs workflows: enumerate your branches, price each runtime decision point, and promote to an agent only when the branches can't be known ahead.
Pass@k Crossover Tests Tell You When to Ship the Base Model
Pass@k crossovers show RLVR sharpens rather than adds capability. Learn the decision rule and statistical test that find your model's crossover point.
Googlebook for AI Development, Judged by Two Numbers
Is the Googlebook for AI development worth $899? The memory capacity and bandwidth math says cloud client. We compare MacBook local models and API paths.
Entity Deduplication From 50 Million Pairs to Thousands
Entity deduplication for builders: normalize, hash, and block before embeddings, calibrate thresholds without labels, and account for cost at every stage.
Qwen3.8-Omni-Flash vs Gemini Flash Real Cost per Task
Qwen3.8-Omni-Flash vs Gemini Flash, normalized to dollars per multimodal task across audio and video billing units, tool loops, and self-host math.
The Claude OpenAI Security Incident, Decoded for Builders
The Claude OpenAI security incident marks the first widely reported offensive chain by a shipping model. Learn the threat model and what to harden.
Gemini 3.8 Live Extended Thinking Needs a Latency Budget
Gemini 3.8 Live extended thinking adds reasoning time to a realtime voice agent. The latency-budget math tells you when it helps and when it is dead air.