Introducing GPT-5 for developers

Practical AI: Tools, Models & Frameworksapi

What changed

Introducing GPT-5 in our API platform—offering high reasoning performance, new controls for devs, and best-in-class results on real coding tasks.

Why it matters

A concrete addition to Practical AI: Tools, Models & Frameworks: it changes what's available to builders today rather than being general commentary.

How it compares

Related prior coverage to compare against:

  • Introducing GPT-5.1 for developers
  • Introducing GPT-5.2-Codex
  • Introducing GPT-5

Sources