OpenAI

GPT-5.4 Pro

by OpenAItext+image+file->text3 endpoints

Overview

GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K...

Capabilities

Text generation
Image understanding
Tool use / Function calling
Structured output
Extended reasoning
Long context
File input
Deterministic seed

Modalities

Input
TextImageFile
Output
Text

Technical Specifications

Context Window
1.1M tokens
Max Output
128K tokens
Tokenizer
GPT
Content Moderation
Enabled
Uptime (24h)
9901.2%

Supported Parameters

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools

Pricing

Per 1M tokens
Input$30.00
Output$180.00
Added
March 5, 2026
Last synced 9/17/2026