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Model Launch 1 min read

Introducing GPT-5.5

Source: OpenAI Blog
April 23, 2026 · 4mo ago
Visual for Introducing GPT-5.5

Summary

This post introduced GPT-5. 5, a model built for complex tasks like coding, research, and data analysis across tools.

Why It Matters

New model releases reshape what developers can build. As capabilities advance, existing applications can be upgraded and entirely new use cases become feasible — making it critical for engineers to evaluate these releases early.

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