AI Rate Card

OpenAI: GPT-4o (2024-11-20) · fastrouter

GPT-4o (November 2024 version) enhances OpenAI's flagship multimodal model with specialized improvements in creative writing and document analysis. This updated release delivers more natural, engaging, and contextually tailored writing with improved relevance and readability across various content types. The model demonstrates significantly enhanced document processing capabilities, providing deeper insights and more comprehensive responses when working with uploaded files. While maintaining the core multimodal architecture that processes both text and image inputs, this version incorporates refinements that improve multilingual processing and visual understanding. The model continues to deliver the performance level of GPT-4 Turbo with double the processing speed and 50% greater cost efficiency, making it particularly valuable for content creation, document analysis, and multilingual applications requiring both quality and responsiveness.

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Input, $/1M $2.50

Output, $/1M $10.00

Cache read $1.25

Cache write —

Context 128 000

Max output 16 384

Accepts files, images, text

Last checked 04.11.2026 12:00:14 UTC

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API

OpenAI-compatible API: the official OpenAI SDKs work with this base URL. Replace YOUR_API_KEY with your key from the provider.

API base URL
https://go.fastrouter.ai/api/v1
Endpoint
https://go.fastrouter.ai/api/v1/chat/completions
Model id
openai/gpt-4o-2024-11-20
curl
curl https://go.fastrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "openai/gpt-4o-2024-11-20", "messages": [{"role": "user", "content": "Hello!"}], "max_tokens": 256}'
Python
import requests

r = requests.post(
    "https://go.fastrouter.ai/api/v1/chat/completions",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "openai/gpt-4o-2024-11-20",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ],
      "max_tokens": 256
    },
)
print(r.json())
JavaScript
const r = await fetch("https://go.fastrouter.ai/api/v1/chat/completions", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "openai/gpt-4o-2024-11-20",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ],
    "max_tokens": 256
  }),
});
console.log(await r.json());
Request (JSON)
{
  "model": "openai/gpt-4o-2024-11-20",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "max_tokens": 256
}
Response (JSON)
{
  "id": "chatcmpl-...",
  "object": "chat.completion",
  "model": "openai/gpt-4o-2024-11-20",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Hi! How can I help?"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 9,
    "completion_tokens": 12,
    "total_tokens": 21
  }
}

The address is taken from the provider's model list; check it against the provider's documentation.

Provider's API documentation

Source: AI Rate Card, https://airatecard.com/en/c/offer%3Afastrouter%7Copenai/gpt-4o-2024-11-20, prices checked 2026-11-04; seller's page: https://fastrouter.ai/models/openai/gpt-4o-2024-11-20

Technical details

ID: offer:fastrouter|openai/gpt-4o-2024-11-20