Platform Layer

AI Platforms & Infrastructure

Explain the infrastructure needed when AI moves from individual applications into an enterprise-wide capability.

Why This Matters

One team's GPT wrapper does not scale to twenty products. Platforms are how routing, spend, evals, and identity become shared services.

Architecture Position

Platform Layer: model gateways, registries, and developer experience sitting under every application. See it on the architecture map.

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Core Concepts

AI Gateway

  • Provider abstraction
  • Authentication
  • Routing
  • Rate limits
  • Usage controls

Model Infrastructure

  • Hosted inference
  • Private inference
  • GPUs
  • Serverless inference
  • Quantization

Platform Services

  • Model registry
  • Prompt registry
  • Tool registry
  • Evaluation services

Cost

  • Token accounting
  • Budget enforcement
  • AI FinOps
  • Semantic caching

Multi-Tenancy

  • Tenant isolation
  • Data isolation
  • Resource allocation

Delivery

  • CI/CD
  • Model versioning
  • Prompt versioning
  • Feature flags

Developer Platform

  • SDKs
  • APIs
  • Internal developer experience
  • Platform governance

Advanced

Advanced material

Deeper guides for this domain are on the way.

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Architecture Patterns

Applied patterns for this domain live in the pattern library.

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Case Studies

Enterprise walkthroughs that apply this topic in a full system.

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Related Topics

Roadmaps

This topic appears in the Enterprise AI Architect path.

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Learn this as part of the Production AI Systems course.

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