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Modelby OpenAI

GPT-5.4 Pro

GPT-5.4 Pro is the premium tier of OpenAI's GPT-5.4 model, offering the full 1M-token context window with maximum capability for high-stakes professional and enterprise workflows. It is designed for complex, multi-step agentic tasks where the highest level of reasoning quality is required.

Provider
OpenAI
Released
Mar 5, 2026
Context
1.1M tokens
Weights
Closed

Capabilities

  • Reasoning
  • Code Generation
  • Tool Use
  • Computer Use
  • Search
  • Agentic Workflows

Best For

  • High Stakes Analysis
  • Complex Agent Workflows
  • Large Context Reasoning
  • Coding And Debugging
  • Enterprise Automation

Overview

GPT-5.4 Pro is the premium variant of OpenAI's GPT-5.4 model, providing the maximum capability tier for professional and enterprise use cases. With a 1-million-token context window and the full suite of GPT-5.4 capabilities — including computer use, web search, and advanced tool-calling — it is designed for high-stakes workflows where reasoning quality directly impacts outcomes.

For engineering teams managing large, complex dependency ecosystems with significant security or compliance requirements, GPT-5.4 Pro offers the highest available reasoning quality from OpenAI at the time of its March 2026 release.

Key Capabilities

  • 1M Token Context Window — maximum context for enterprise-scale codebase and dependency analysis
  • Pro-Tier Reasoning — highest available reasoning quality within the GPT-5.4 model family
  • Computer Use — autonomous interaction with web browsers and desktop environments
  • Advanced Tool Calling — complex multi-step tool orchestration for end-to-end workflow automation
  • High-Stakes Reliability — optimised for accuracy and consistency in critical professional workflows

Use Cases for Engineering Teams

  • Enterprise Dependency Governance — perform comprehensive, high-accuracy dependency audits across large engineering organisations
  • Complex Agent Orchestration — coordinate sophisticated multi-tool agentic workflows for end-to-end dependency management
  • High-Accuracy Security Analysis — perform precise vulnerability assessments where false negatives carry compliance risk
  • Large-Scale Code Migration — plan and assist with major framework migrations across multi-million-line codebases
  • Compliance-Driven Audits — support regulatory and security compliance workflows requiring precise, well-reasoned output

Technical Specifications

  • Context Window: 1,050,000 tokens
  • Pricing: Not publicly announced at launch
  • Open Weight: No
  • Release Date: 2026-03-05

Provider

GPT-5.4 Pro is developed by OpenAI. For the latest information, visit the official documentation.

Documentation

View Official Docs

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Tags

reasoningcode generationtool useopenaigpt 5proenterprise
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