OpenAI: GPT-5.4
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...
Specifications
| Lab | OpenAI |
|---|---|
| Context window | 1,050,000 |
| Input price | $2.50/1M |
| Output price | $15.00/1M |
| Release | 2026-03-01 00:00:00 |
In Depth: GPT-5.4
Summary
GPT-5.4 is an AI model from OpenAI.
Released 2026-03-01 00:00:00. It currently appears in the Overall category on LMRank. It supports Text, image, file input and produces Text output, with a context window of 1.1M tokens. Input pricing is $2.50 per 1M tokens and output is $15.00 per 1M tokens on OpenRouter.