OpenAI·GPT

GPT-5.4

Unified GPT-5.3-Codex coding advances with general reasoning, tools, and professional document work.

LegacyLanguageReasoningCodingAgentMultimodalWeights not released

MODEL NUMBER040

Specifications

Only published specifications are shown.

Input modalities

Text · Image

Open weights

Status

Legacy

Unified GPT-5.3-Codex coding advances with general reasoning, tools, and professional document work.

Compared with GPT-5.2 ↗

PreviousGPT-5.2— · — ctx

CurrentGPT-5.4— · — ctx

New capabilities Agent Computer use Professional work

CodingAgentComputer useProfessional work

2026-03-05General release

GPT-5.4 Thinking and Pro launched in ChatGPT, API, and Codex.

Select a card to view the related model.