OpenAI: GPT-5.4

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...

Modalities
TextImageFile
In / out price
₩4,388 / ₩26,325
1M
Context
1.05M
Released
Mar 6, 2026

Providers

Several places host the same model. Requests are spread by priority and health, and a local GPU always goes first when one is available.

ProviderContextQuantizationMax outputPriorityState
OpenRouter1.05M50unknown