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Founding Editor

Aditya Marin Gasga

Aditya Marin Gasga is the founding editor of The Counter Brief and Head of Growth at Demand Nexus, its parent company, where he works on sourcing qualified pipeline across SDR, content, and paid channels. His background is in performance marketing and demand generation. He studied business administration at Northumbria University.

By Aditya Marin Gasga

Explainers

How RAG fails in production, and how to fix it

The intermediate companion to our RAG explainer: the four ways RAG degrades in production (chunking, retrieval, faithfulness, a stale index), the fixes that hold, and the evaluation that makes them visible.

Aditya Marin Gasga · 8 min read
Explainers

What is RAG, really?

A from-scratch explainer of RAG: how chunk, embed, store, retrieve, augment, and generate fit together, why it reduces hallucination without ending it, and where it quietly breaks, in about 13 minutes.

Aditya Marin Gasga · 8 min read
Explainers

What is a context window, really?

A from-scratch explainer of the context window: the shared token budget a model reads at once, why long context costs more and recalls less, and when retrieval beats a bigger window, in about 12 minutes.

Aditya Marin Gasga · 8 min read
Unit Economics

Agents can pay now. Your controls cannot.

AWS gave AI agents a way to spend money autonomously. The payment was never the hard part; authorizing, capping, and auditing a non-human spender is, and most enterprises have not built for it.

Aditya Marin Gasga · 5 min read
News

OpenAI on Oracle: a procurement win that doubles your lock-in

OpenAI models and Codex can now be bought against your existing Oracle Universal Credits, no separate contract. It removes the blocker that stalls enterprise AI, and it bundles two lock-ins that reinforce each other.

Aditya Marin Gasga · 4 min read
News

Anthropic ships Sonnet 4.7 with native code execution

Sonnet 4.7 shipped this morning with Python execution baked directly into the API: no separate sandbox, no harness wiring, one new boolean parameter. Same model pricing as 4.6 plus a per-execution surcharge.

Aditya Marin Gasga · 5 min read
Explainers

What is an embedding, really?

A from-scratch explainer of what embeddings actually are, how they're compared, why they make modern search possible, and which model to pick in 2026, in about 15 minutes.

Aditya Marin Gasga · 9 min read
Tools

7 AI agents worth testing in 2026

Seven AI agents tested on the same task suite: Manus, Devin, Operator, GPT Agent Mode, Gemini Workspace, Replit, Claude Computer Use. Two are genuinely useful today; the rest need a specific use case.

Aditya Marin Gasga · 8 min read
Tools

The AI coding assistants actually worth using

Six AI coding tools, one honest conclusion: there's no single winner, and the best developers pair two. Here's what each is actually for, what it costs, and which combination fits your workflow.

Aditya Marin Gasga · 5 min read
Models

Grok 4.3: xAI's bet on cheap and fast over best

Grok 4.3 isn't trying to top the leaderboards. It's trying to be the model you can afford to run at scale, and on that bet, it mostly delivers. Here's where it fits and where it doesn't.

Aditya Marin Gasga · 4 min read
Models

Your Opus 4.8 cache misses are self-inflicted

A 70% versus 95% cache hit rate isn't the model. It's whether you set a cache_control breakpoint and keep the prefix before it byte-identical, with every dynamic value pushed into the user turn.

Aditya Marin Gasga · 7 min read
Business

OpenAI's trillion-dollar IPO, explained

OpenAI filed confidentially for what could be the largest tech IPO ever, at a valuation near $1 trillion, while losing more than a dollar for every dollar it earns. Here's what's actually going on.

Aditya Marin Gasga · 4 min read
Explainers

What is an LLM, really?

A from-scratch explainer of how large language models actually work (tokens, attention, the inference loop, and what to make of it all) in 12 minutes.

Aditya Marin Gasga · 7 min read
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