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What nobody publishes about buying AI

Verified rates from Latin American vendors, comparisons between tools that get sold as equivalents, and the concrete reasons an AI system answers badly. Written for the person signing the purchase order.

  1. 9 min read

    The 15 best AI development companies in Latin America (2026)

    This list came out of reading the public pages of more than eighty providers across Colombia and the region. Twenty-five publish a price. Fourteen publish exact figures. Here is who sells what, for how much, and how fast they ship it.

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  2. 8 min read

    RAG vs fine-tuning: which one you need

    The question usually arrives framed wrong, as if these were two routes to the same place. They solve different problems. One gives the model information it never had; the other teaches it a way of answering.

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  3. 9 min read

    LangGraph vs CrewAI vs AutoGen

    All three build multi-agent systems and all three have a demo running in twenty minutes. The difference shows up the day a step fails halfway through and you need to resume without repeating what already happened.

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  4. 7 min read

    n8n vs Zapier vs Make

    All three connect systems without writing code and all three hit a ceiling. Where that ceiling sits, and what happens when you touch it, is the whole difference.

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  5. 8 min read

    Why do AI projects fail?

    The demo worked. The meeting went well. Six months later the system is still in staging and nobody wants to be the person who says it should be switched off. That path has repeated causes, and none of them is the model.

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  6. 7 min read

    Why does my AI chatbot answer wrong?

    The model gets blamed almost every time, and it is almost never the model. Before switching providers, work out which of the two steps broke the answer, because the fix is completely different.

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  7. 9 min read

    How to measure a RAG system

    Most retrieval systems ship with no number attached to them. Then quality gets debated in meetings, changes get argued from intuition, and nobody can say whether last month was better than this one.

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  8. 8 min read

    The 15 best nearshore software development companies in Colombia

    Colombia has been exporting engineering to the United States for twenty years, and the market is already segmented. These fifteen firms cover everything from a two-person squad to a thousand-person factory, and the price gap between the extremes is roughly six times.

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  9. 8 min read

    Nearshore AI development rates in Colombia

    Colombia is the cheapest place in the Americas to buy senior engineering that shares your working day. Here is what the market actually charges, taken from what vendors publish rather than from a rate card someone assembled from guesses.

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  10. 7 min read

    Twelve questions to ask an AI vendor

    Every proposal reads the same. Agents, RAG, no hallucinations. These twelve questions separate the vendor who has run something in production from the one who assembled a demo last weekend.

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Tell us what you are building, or what stopped working. You leave the call with a concrete answer: it can be fixed, it can be built, or it isn't worth it.