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63 long-form pieces on architecture, training, inference, agents and safety.

All Model Architecture13 Training & Alignment8 Inference & Serving11 Agents & Orchestration10 Reasoning & Evaluation7 Safety, Security & Governance3 Platforms & Practice11
Inference & Serving 21 min

The Hidden Cost of AI: Why Inference Is the New Cloud Bill

Training a frontier model is a one-time expense measured in millions. Serving it to users is a perpetual expense measured in billions of tokens per day. For most organisations, inference is already the larger number, and the gap …

inference economics optimization finops ∑ ◫
Model Architecture 4 min

The Length of a Thought: Why Context Windows Became the New Battleground

A 512-token model could read a paragraph. A million-token model can read a novel. The journey between those two numbers is a story about quadratic cost, clever approximations, and what it means for a machine to "remember."

transformers attention context scaling
Safety, Security & Governance 23 min

The Lethal Trifecta: Why Prompt Injection Is Structural in Tool-Using Agents

The protocols that let agents read your email, query your database, and post to Slack were the most-adopted infrastructure in AI over the past year. They also handed attackers a way in that no input filter can close, because the …

agent-security prompt-injection mcp lethal-trifecta ∑ ◫
Safety, Security & Governance 21 min

The Moderation Tax: How Guardrail Classifiers Trade Latency for Coverage

A guardrail is a classifier sandwich wrapped around your model, and every layer you add buys coverage with latency and false refusals. Here is how the layer actually works, what it costs, and where it breaks.

llm-safety guardrails content-moderation jailbreaks ∑ ◫
Platforms & Practice 6 min

The Quiet Standard: How the Model Context Protocol Became the USB-C of AI

The most consequential AI release of late 2024 was not a model. It was a protocol. The story of how a single open standard ended the N-times-M integration nightmare is the story of every standard that ever mattered.

mcp standards interoperability agents
Reasoning & Evaluation 13 min

The reasoning-model bubble: when test-time compute stops paying

o3, R1 and Claude extended thinking are a real capability shift on a narrow slice of tasks. They are also being shoved into product surfaces that punish every property reasoning models exhibit - and the bill is starting to arrive.

reasoning test-time-compute economics evaluation ∑
Model Architecture 26 min

Titans: The Sequence Architecture That Learns to Remember While It Runs

Most long-context models compress the past into a fixed-size vector and hope nothing important got squeezed out. Titans instead gives the model a small neural network as its memory, and lets that network keep training on the data…

architecture long-context memory test-time-training ∑ ◫
Model Architecture 18 min

Trainable Sparse Attention: When the Model Learns What to Skip

For years, sparse attention was a bolt-on applied after training to shrink the KV cache. NSA, MoBA, and DeepSeek's DSA flip that order, training the sparsity end to end and reporting up to 11x faster decoding without losing accuracy.

attention long-context sparse-attention transformers ∑ ◫
Safety, Security & Governance 11 min

What the EU AI Act enforcement phase actually changes for startups in 2026

The Act passed in 2024, the GPAI rules went live in August 2025, and enforcement powers arrive in August 2026. Most Series-A startups need a handful of specific changes, not a compliance department.

regulation governance eu-ai-act compliance
Reasoning & Evaluation 3 min

What the bake-off taught us: classical ML is not dead, it is just under-attended

We pitted twelve sklearn algorithms head-to-head on a tabular dataset. The winner was not the most expensive one. It was not the most modern one. It was the one whose assumptions matched the data.

machine-learning tabular benchmarks evaluation
Reasoning & Evaluation 20 min

When the Judge Is Also a Player: LLM-as-Judge, Contamination, and Why Leaderboards Drift

A strong model grading other models looks like a free lunch for evaluation. It is not. Position, verbosity, and self-preference biases plus quietly leaked test sets mean a leaderboard number can move several points without any mo…

evaluation llm-as-judge benchmarks contamination ∑ ◫
Agents & Orchestration 10 min

Why 'agents' is the wrong frame for most workflows you actually want

The industry frames every LLM feature as an agent. Most production systems that work are pipelines with one or two LLM steps and clear handoffs. Default to a workflow, reach for an agent only when the problem demands it.

agents workflows orchestration architecture
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