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Caching in RAG Systems: What to Cache, What Not To, and Why It Matters More Than You Think

Caching in RAG Systems: What to Cache, What Not To, and Why It Matters More Than You Think

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3 min read
I Built a Prompt Compressor That Saves 65% on LLM Costs — Here's the Story

I Built a Prompt Compressor That Saves 65% on LLM Costs — Here's the Story

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2 min read
Testing Non-Deterministic LLM Pipelines in CI: A Contract-Based Approach

Testing Non-Deterministic LLM Pipelines in CI: A Contract-Based Approach

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4 min read
How coding agents like Cursor quietly cut input costs by reusing KV states across turns — and what actually breaks the cache

How coding agents like Cursor quietly cut input costs by reusing KV states across turns — and what actually breaks the cache

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4 min read
Cutting our LLM bill ~80% with model routing: the actual cost math

Cutting our LLM bill ~80% with model routing: the actual cost math

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3 min read
SuperCompress: Cut LLM Costs by 65% Without Losing Answers

SuperCompress: Cut LLM Costs by 65% Without Losing Answers

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1 min read
Stop Prompting Your Agents. Start Leading Them.

Stop Prompting Your Agents. Start Leading Them.

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9 min read
Cutting AI Costs: Batch API for Non-Urgent Workflows

Cutting AI Costs: Batch API for Non-Urgent Workflows

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3 min read
How I Fixed Unpredictable AI Agents With Deterministic Monitoring

How I Fixed Unpredictable AI Agents With Deterministic Monitoring

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7 min read
Prompt Versioning Is Not Optional in Production. Here Is How to Actually Do It.

Prompt Versioning Is Not Optional in Production. Here Is How to Actually Do It.

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3 min read
Study: stale documents are RAG poisoning without the attacker

Study: stale documents are RAG poisoning without the attacker

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5 min read
Baidu Unlimited OCR Holds the KV Cache Constant for 40+ Pages: Reference Sliding Window Attention

Baidu Unlimited OCR Holds the KV Cache Constant for 40+ Pages: Reference Sliding Window Attention

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8 min read
Why Positional Embeddings Matter — APE, RPE, and RoPE Explained for Developers

Why Positional Embeddings Matter — APE, RPE, and RoPE Explained for Developers

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5 min read
AutoGen's hidden token tax: why a 3-agent chat costs 15 what you expect

AutoGen's hidden token tax: why a 3-agent chat costs 15 what you expect

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5 min read
Your cache_read_input_tokens is zero. Here is what silently did it.

Your cache_read_input_tokens is zero. Here is what silently did it.

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5 min read
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