OpenAI

gpt-5.4-nano

openai/gpt-5.4-nano
Context

400K

Input

text, image

Output

text

Tool calling

Supported

About this model

GPT-5.4 Nano is the smallest and fastest model in the GPT-5.4 lineup, designed for ultra-low latency and low-cost API usage at high throughput. It is optimized for short-turn tasks like classification, extraction, ranking, and lightweight sub-agent work.

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Input modalities

text

Accepted as model input

image

Accepted as model input

Providers

Available routing options for this model through OneInfer.

OpenAI
Available

Input tokens

$0.200 / 1M tokens

Output tokens

$1.250 / 1M tokens

Routing

OneInfer optimized

Pricing

Current OneInfer pricing for this model.

UsagePrice
Input tokens$0.200 / 1M tokens
Output tokens$1.250 / 1M tokens
Cached input tokens$0.020 / 1M tokens

Performance

Published evaluation results associated with this model.

GPQA Diamond

score82.8

SWE-Bench Pro

score52.4

Terminal-Bench 2.0

score46.3

API example

Refer Documentation
curl https://api.oneinfer.ai/v1/ula/chat/completions \
  -H "Authorization: Bearer $JWT_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.4-nano",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'