Source-linked AI model

OpenAI: GPT-5.4

OpenAI: GPT-5.4 is an AI model from openai with a 1,050,000-token context window, priced at $2.5 per 1M tokens for input. Review its sourced specs below; unavailable fields remain unavailable.

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...

Provider

openai

Context window

1,050,000 tokens

Input price

$2.5 per 1M tokens

Output price

$15 per 1M tokens

Source

OpenRouter

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