GPT-5.4 Pro (batch)

OpenAI · released 5 Mar 2026

Input$15per 1M tokens

Output$90per 1M tokens

Context1,050Ktokens

WeightsClosed

context on a 1K–2M scale

About

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...

Details

Lab: OpenAIopenrouter.ai · 3 Oct 2026
Context: 1,050Kopenrouter.ai · 3 Oct 2026
Input price: $15 / 1Mopenrouter.ai · 3 Oct 2026
Output price: $90 / 1Mopenrouter.ai · 3 Oct 2026
Max output: 128,000 tokensopenrouter.ai · 3 Oct 2026
Inputs: text, image, fileopenrouter.ai · 3 Oct 2026
Open weights: Noopenrouter.ai · 3 Oct 2026

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Sources

openrouter.ai/openai/gpt-5.4-pro:batch· checked 3 Oct 2026