Context Engineering Beats Model Upgrades Every Time
I’ve never fixed a production agent by upgrading the model. Not once. Every fix came from changing what the model saw. That's the raw truth from the trenches.
⚡ Key Takeaways
- Upgrading models rarely fixes production agents—tune context instead.
- LangChain's chains and retrievers are powerful but watch for abstraction leaks.
- Token costs and non-determinism are the real killers; guardrail early.
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Originally reported by Towards AI
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