openai

OpenAI: GPT-5.4 (batch)

GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...

openai/gpt-5.4:batch

Context Size

1,050K

Input Price

187,500 pts/M

Output Price

1,125,000 pts/M

Architecture

Text

Image

File

Supported Parameters

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools

Details

TokenizerGPT

Max Completion128,000 tokens

Provider Context1,050K tokens

ModeratedYes

CreatedMar 5, 2026