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Datadog1 Hot0 comments9 min read
How we investigated prompt cache misses with Datadog
An investigation of prompt cache misses in internal AI applications by using Datadog Cloud Cost Management and Agent Observability.
Source: https://www.datadoghq.com/blog/prompt-cache-investigation-ccm-agent-observability. 8 Sync News only summarizes and links out; content copyright belongs to the authors and original sources.
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7 MoE routing strategies in production, clearly explained
+ a practical learning checklist to learn AI engineering.
Flavio Copes131 Hot6 min
How to run an LLM locally
Run an LLM locally with Ollama. See how much memory you need, where LM Studio and llama.cpp fit, and how to call the model from code.
Daily Dose of Data Science | Avi Chawla | Substack150 Hot7 min
RAG vs. Vectorless RAG, clearly explained!
...explained visually (with tradeoffs in production).
Medium39 Hot9 min
DeepSeek Super-Agent Architecture Explained
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DEV22 Hot5 min
Don't Write Markdown Files for Your Coding Agent. Write Scripts.
If you want agents to do what you want, you need to learn how to box them into deterministic actions.... Tagged with ai, programming, devops, productivity.
Hacker News4 Hot10 min
The End of AI Frontiers
Large language models remain far less efficient than biological brains at learning, representing knowledge, and planning, the post argues. A child hears roughly one token per second, reaching a billion tokens only after 31 years, while GPT-4-class models reportedly use four orders of magnitude more data. The Phi model series, trained on 10 trillion tokens, still trails GPT-4 along most axes. A Portia spider plans prey-catching behavior with a brain a million times smaller than a human's, and squirrels recall cached food after months, suggesting that existing models may be far less representationally and memory efficient.
ByteByteGo28 Hot12 min
How Anthropic Redesigned Source Control
In this article, we’ll look at the architecture behind Scion.
Hacker News2 Hot6 min
Goodbye Claude, Hello Pi
A longtime Claude Code user is switching to the open source harness Pi after accumulating frustrations. Claude Code only lets one session connect to the IDE at a time, a bug reported since December 2025 and closed as a duplicate. The author counts 244 Claude Code releases this year, with over three-quarters changing the system prompt or tool descriptions. Despite trimming 80% of the system prompt, the default Bash tool description still runs almost 3,000 tokens. The author calls Claude Code a product without strong direction and says Pi has been smooth sailing since the first few days.
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