GPT-5.4 Thinking

Name: GPT-5.4 Thinking
Rating: 58 (1 reviews)
Author: OpenAI

Model family by OpenAI · used by 5 applications

AI Model

GPT-5.4 Thinking is OpenAI’s reasoning model, released in March 2026 and designed for complex, multi-step professional tasks requiring deep analysis, long context, and reliable execution.

Model openness score

Six dimensions, evidence-linked

Model cardOpen

Research paperOpen

Licence termsClosed

Source codeOpen

Weights / base modelClosed

Training dataPartial

Used by

How this score was built

Public information analysis · Aug 18, 20262Anove analyst review3Counter review by vendor4PublishedCommunity corrections

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