openai

gpt-5.4

Context

Input

text, image

Output

text

Tool calling

Supported

About this model

GPT-5.4 is OpenAI's flagship frontier model built for sustained, multi-step reasoning with reliable follow-through. It excels at agentic workflows, research, document analysis, and powering complex internal tools with robust instruction following.

Capabilities

text

Available through the unified API

image

Available through the unified API

Quick start

View API docs

curl https://api.oneinfer.ai/v1/chat/completions \
  -H "Authorization: Bearer $ONEINFER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "5c1cd1d3945245319c4b898ef93eb7d2",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'

Providers

Available routing options for this model through OneInfer.

openai

5c1cd1d3945245319c4b898ef93eb7d2

Available

Input

$2.500 / 1M

Output

$15.000 / 1M

Routing

OneInfer optimized

Pricing

Current OneInfer pricing for this model.

Usage	Price
Input tokens	$2.500 / 1M
Output tokens	$15.000 / 1M

Performance

Published evaluation results associated with this model.

GPQA Diamond

score93

SWE-Bench Pro

score57.7

Terminal-Bench 2.0

score75.1

API example

curl https://api.oneinfer.ai/v1/chat/completions \
  -H "Authorization: Bearer $ONEINFER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "5c1cd1d3945245319c4b898ef93eb7d2",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'