GPT-5.4
The flagship "General Purpose Agent" with native computer control.
About the Model
GPT-5.4 is the mid-2026 pinnacle of OpenAI’s agentic research. It introduces a Configurable Reasoning Effort parameter, allowing developers to choose exactly how much "thinking" the model does per request. It is the first model to merge frontier-level reasoning with native OS-level control, designed to act as a digital employee rather than just a chatbot.
Model Key Capabilities
Computer Use API:
Natively clicks, types, and navigates GUI applications without third-party wrappers.
5-Level Reasoning:
Choose from "none" (fast chat) to "xhigh" (deep research and verification).
33% Hallucination Reduction:
Significant leap in factuality compared to the GPT-5.2 generation.
Tool Search Architecture:
Autonomously searches for and learns to use new APIs it hasn't seen during training.
Applications & Use Cases
End-to-End Enterprise Automation:
Filing expense reports, configuring software, and running test suites via GUI.
Deep Scientific Research:
Using "xhigh" reasoning for architecture decisions and multi-step data synthesis.
Advanced Code Refactoring:
Handling massive refactorings that span multiple programming languages.
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Model Specifications
General | |
|---|---|
Model Provider | OpenAI |
Main Use Cases |
|
Intelligence | |
Reasoning Effort | X-High |
GPQA Diamond | 92.0% |
Memory | |
Max Context | 1.1M Tokens |
Speed | |
Latency (TTFT) | 0.55s |
Throughput | 65 Tokens/sec |
