Models Model details

OpenAI

OpenAI: GPT-5.4 Pro (batch)

openai/gpt-5.4-pro:batch

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 output) with support for text and image inputs. Optimized for step-by-step reasoning, instruction following, and accuracy, GPT-5.4 Pro excels at agentic coding, long-context workflows, and multi-step problem solving.

Input
$15

/ 1M tokens

Output
$90

/ 1M tokens

Context window
1.05M

tokens

Limits

Context

1,050,000

tokens

Max output

128,000

12% of the context window

Model facts

Author

OpenAI

Tokenizer

GPT

Modality

Text + Image + File -> Text

Created

Mar 5, 2026

Reasoning

RequiredDefault MediumXhighHighMedium

Publication status

Hugging Face: unavailableLicense: not publishedParameter count: not published

Modalities

Input · TextInput · ImageInput · FileOutput · Text

Generation controls

Include reasoningMax tokensReasoningReasoning effortResponse formatSeedStructured outputsTool choiceToolsVerbosity