CANONICAL HISTORY
GPT-4.1 API Release
OpenAI launched GPT-4.1, GPT-4.1 mini and GPT-4.1 nano in the API on April 14, 2025.
Evidence / resource
This page preserves the public LINEAiGE record and its first-party source relationship.
Record identity
LINEAiGE IDgpt-4-1-api-2025