AI Stack Pyramid (2025 Edition) — Data, Infrastructure, Models, and Applications
A structured visual framework illustrating the 2025 AI technology stack as a four‑layer pyramid. The base layer highlights real‑world, synthetic, and labeled/unlabeled data. The infrastructure layer includes GPUs/TPUs, vector databases, MLOps, and data pipelines. The model layer distinguishes between foundation models and fine‑tuned models. The top layer showcases AI applications such as copilots and autonomous agents. Side annotations emphasize increasing abstraction toward the top and rising compute/data requirements toward the bottom.
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