Model dossier

OpenAI: GPT-5.4 Pro

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...

ProviderOpenAI Start comparison

Context1,050,000

Max output128,000

Pricing viewTVP price

Identity

OpenAI: GPT-5.4 Pro

Model ID: openai/gpt-5.4-pro
Canonical slug: openai/gpt-5.4-pro-20260305
Knowledge cutoff: n/a
Created: 3/5/2026

Capabilities

textimagefiletoolsstructured

Modalities

text+image+file->texttextimagefile

Capacity

Context1,050,000

Max output128,000

TokenizerGPT