OpenAI
gpt-5.4-pro
Version of GPT-5.4 that produces smarter and more precise responses.
Aggregated modalities
Channel
Each channel is compared at its lowest input-price tier; output breaks ties. A dash means /api/pricing does not provide that rate. Selecting a channel updates the endpoints and call example below.
ChannelUSD per 1M tokensInputOutputCache readCache write
openai/gpt-5.4-proInput
$30.00 USD per 1M tokens
Output
$180.00 USD per 1M tokens
Cache read
- USD per 1M tokens
Cache write
- USD per 1M tokens
Endpoints
POST
/v1/responsesResponsesCall it
Using openai/gpt-5.4-pro
1from openai import OpenAI23client = OpenAI(4 base_url="https://www.realrelay.ai/v1",5 api_key="sk-***",6)78response = client.responses.create(9 model="openai/gpt-5.4-pro",10 input="Hello",11 max_output_tokens=1024,12)1314print(response.output_text)1import OpenAI from "openai";23const client = new OpenAI({4 baseURL: "https://www.realrelay.ai/v1",5 apiKey: process.env.REALRELAY_API_KEY,6});78const response = await client.responses.create({9 model: "openai/gpt-5.4-pro",10 input: "Hello",11 max_output_tokens: 1024,12});1314console.log(response.output_text);1curl https://www.realrelay.ai/v1/responses \2 -H "Authorization: Bearer $REALRELAY_API_KEY" \3 -H "Content-Type: application/json" \4 -d '{5 "model": "openai/gpt-5.4-pro",6 "input": "Hello",7 "max_output_tokens": 10248 }'Prices and availability as published on Oct 4, 2026.
Capabilities
Apply patchComputer useFile searchImage generationReasoningTool useVisionWeb search
Input
TextImage
Output
Text
