The highest-quality GPT-5.4 variant, using increased compute to handle highly complex problems; available in ChatGPT and via API.
Context window
1.05M tokens
tokens
Parameters
Nieujawnione
parameters
Release date
5 March 2026
Overview
Applications
Key parameters
๐ Context: 1.05M tokens
๐งฉ Parameters: Nieujawnione
โ Tools
๐ฅ Input: text, image
Technical specification
Context window
1.05M tokens
tokens
Parameters
Nieujawnione
parameters
License
Proprietary (OpenAI)
Hardware requirements
No local hardware requirements for the end user. The model is provided as a service via the OpenAI API and in ChatGPT. In practice, only a client environment and access to OpenAI services are required. Local self-hosting is not supported.
Features:โ Tool use
Modalities
โฌ Input
textimage
โฌ Output
text
Capabilities and applications
Native model capabilities
Reasoning
Category: reasoning
Multi-step reasoning
Category: reasoning
Long context
Category: reasoning
Coding
Category: coding
Function Calling
Category: planning
Structured output
Category: structured_generation
Audio understanding
Category: audio
Image understanding
Category: vision
Video Understanding
Category: video
Chart understanding
Category: vision
Diagram reasoning
Category: reasoning
OCR
Category: vision
Multilingual
Category: language
Planning
Category: planning
Streaming output
Category: reasoning
Interleaved Multimodal Input
Category: reasoning
Multimodal understanding
Category: multimodal
Benchmark results
1 benchmark
BrowseComp
accuracy ยท agentic web browsing
89.3%
๐
5 Mar 2026๐ OpenAI โ Introducing GPT-5.4
GPT-5.4 Pro sets a new SOTA on BrowseComp, according to OpenAI.
Pricing
Technical architecture
Model Form
Deployment and security
๐ Security / Enterprise
โ Verified enterprise information
Public security information for GPT-5.4 Pro derives from OpenAI's security policies and architecture for the API platform and ChatGPT Enterprise/Business/Edu products. The vendor describes security primarily at the service level, rather than in a separate model-specific document for the Pro variant.
For GPT-5.4 Pro, security should be modeled as platform security inherited from the OpenAI environment. This is the most accurate and substantively correct framing.
Updated: 15 Mar 2026โ Security documentation
