GPT-5.4

proprietary

GPT-5.4 is a flagship model for complex professional work. Learn more in our GPT-5.4 model guidance. Reasoning.effort supports: none (default), low, medium, high and xhigh.

Intelligence
Reasoning
Speed
Context
1.1M
Max output
128K
Input price
$2.5/1M tokens
Output price
$15/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Model IDopenai.gpt-5.4
Creator OpenAI
Family—
Licenseproprietary
Statusactive
Typechat
Input modalitiesimage, text
Output modalitiestext
Open weight—
Parameters—
Architecture—
Context window1.1M tokens
Max input—
Max output128K tokens
Reasoning tokensYes
Knowledge cutoff
Release date
Sourceofficial

Pricing

Text tokensPer 1M tokens
InputOutputCached input30m write12h write
Standard$2.5$15$0.25——
Batch$1.25$7.5$0.13——
Fast$5$30$0.5——

API

GET/v1/models/amazon/openai.gpt-5.4

GPT-5.4

openai.gpt-5.4

GPT-5.4 is a flagship model for complex professional work. Learn more in our GPT-5.4 model guidance. Reasoning.effort supports: none (default), low, medium, high and xhigh.

Changes · 4 entries
openai.gpt-5.4createca7a400Nov 2, 2026, 03:02 AM
openai.gpt-5.4update1a66bb0Sep 29, 2026, 06:40 AM
context_window1000000→1050000
max_output_tokens128000
openai.gpt-5.4update265df08Sep 12, 2026, 06:33 AM
context_window272000→1000000
openai.gpt-5.4create80c574aJun 3, 2026, 07:05 AM