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
| Attribute | Value |
|---|---|
| Lab | OpenAI |
| Tags | Intelligent Coding Agentic Long Context |
| Release Date | 2026-03 |
| Context Window | 1,050,000 tokens |
| Input Price / 1M | $2.50 |
| Output Price / 1M | $15.00 |
| Input Modalities | Text, Image, File |
| Output Modalities | Text |
Strengths
Weaknesses
Best For
In Depth: GPT-5.4
Summary
GPT-5.4 is an AI model from OpenAI.
Released 2026-03. It currently appears in the Overall category on LMRank. It supports Text, Image, File input and produces Text output, with a context window of 1,050,000 tokens. Input pricing is $2.50 per 1M tokens and output is $15.00 per 1M tokens on OpenRouter.