GPT-5.4 series

proprietary

gpt-5.4-mini , gpt-5.4-nano , gpt-5.4 , gpt-5.4-pro

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 IDgpt-5.4
Provider Azure AI Foundry
Creator OpenAI
Familygpt-5.4
Licenseproprietary
Statusactive
Typechat
Input modalitiestext
Output modalitiestext
Open weightNo
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——

Family Comparison: gpt-5.4

ModelContextMax out
gpt-5.4-mini400K128K
gpt-5.4-nano400K128K
gpt-5.4-pro1.1M128K
GPT-5.4 series1.1M128K
gpt-5.4.nano——

API

GET/v1/models/azure/gpt-5.4