GPT-5.4 (by OpenAI)

Overview

Versatile OpenAI text model with advances in reasoning. Succeeded by GPT-5.5 for the most demanding professional work.

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Quick facts

• Modes: Text → Text · Image → Text · Video → Text

• Default output / size: Text responses (token-limited)

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What it's great for

• State-of-the-art reasoning and analysis.

• Complex multi-step problem-solving.

• Multimodal understanding of images and video.

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Parameters

Control	Type	Default	Notes
Prompt	Text	—	Natural-language instruction (required)

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Modes

Mode	Estimated time	Required inputs	Typical use
Text → Text	Streaming	Prompt	Reasoning & analysis
Image → Text	Streaming	Images, Prompt	Image understanding
Video → Text	Streaming	Videos, Prompt	Video analysis

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