reasoning 旗舰
Model ID: gpt-5.4-pro · Type: chat · Provider: OpenAI
Endpoints: /v1/responses
| Input (per 1M tokens) | $19.5 USD |
| Output (per 1M tokens) | $117 USD |
| ≤ 272000 tokens | $19.5 / 1M in | $117 / 1M out |
| > 272000 | $39 / 1M in | $175.5 / 1M out |
from openai import OpenAI
client = OpenAI(api_key="sk-...", base_url="https://api.router.ai/v1")
resp = client.chat.completions.create(
model="gpt-5.4-pro",
messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)GPT-5.4 Pro (`gpt-5.4-pro`) is billed per usage at $19.5/1M in · $117/1M out, in USD. Current pricing is always listed at https://www.370.ai/models/gpt-5.4-pro.
Send a request to https://api.router.ai/v1/v1/responses with the header `Authorization: Bearer <your API key>` and `"model": "gpt-5.4-pro"`. The API is OpenAI-compatible, so any OpenAI SDK works by changing base_url to https://api.router.ai/v1 — no other code change.
GPT-5.4 Pro accepts up to 1,047,576 input tokens and can return up to 128,000 output tokens. Requests exceeding the input limit are rejected before reaching the model.
GPT-5.4 Pro supports: vision, function_calling, prompt_caching.
GPT-5.4 Pro is a chat model from OpenAI, available through the 370.AI gateway with the same API key as every other model.
Call it through the 370.AI OpenAI-compatible endpoint (API base: https://api.router.ai/v1). AI agents can discover and call every model on this gateway through MCP (https://mcp.router.ai/mcp) with no manual integration.