Models / OpenAI

GPT-5.4

GA

Snapshot alias gpt-5.4-2026-03-05 (snapshot date taken as release date; not explicitly stated on doc page). Reasoning model with configurable effort.

Provider
OpenAI
Status
GA
Input price
$2.50 / 1M tokens
Output price
$15 / 1M tokens
Cached input
$0.25 / 1M tokens
Blended price
$5.63 / 1M tokens
Context window
1,050,000 tokens (1.1M)
Max output
128,000 tokens
Modality
text, image
Knowledge cutoff
2025-08-31
Released
5 Mar 2026
API string
gpt-5.4

Source: OpenAI official documentation ↗