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GPT-5.4

OpenAIProprietaryPending Human Review

GPT-5.4 is a general model for professional work that brings reasoning, coding, and native computer interaction into one release. The Responses API supports computer use, tool search, and context compaction for extended agent workflows, alongside text and image input. Its expanded API context can hold large collections of documents, though platform limits and long-context pricing differ.

2026-03-05
Unreleased
Undisclosed proprietary architecture
Proprietary

Specifications

Parameters
Unreleased
Architecture
Undisclosed proprietary architecture
License
Proprietary
Context Window
1,050,000 tokens
Max Output
128,000 tokens
Training Data Cutoff
Aug 31, 2025
Type
multimodal
Modalities
textimage

Benchmark Scores

Advanced Specifications

Model Family
GPT-5
API Access
Available
Chat Interface
Not Available
Variants
gpt-5.4-2026-03-05

Capabilities & Limitations

Capabilities
reasoningcodecomputer usetool searchcontext compactionvision
Known Limitations
Can produce incorrect factual claims or code; important results require independent verification.
Notable Use Cases
professional agentssoftware engineeringlong document workflows
Function Calling Support
Yes
Tool Use Support
Yes

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