AI Rate CardOpenAI: GPT-4o (2024-05-13) · fastrouter
GPT-4o has established itself as OpenAI's primary multimodal model, integrating text, images, and audio processing in a single unified architecture. Since its initial release, it has received updates that further improve its rapid response capabilities (averaging 320ms), enhance its non-English language performance, and strengthen its visual understanding. Its multimodal design allows for natural, intuitive interactions across input types, making it particularly effective for applications requiring seamless switching between text, image, and audio comprehension. GPT-4o maintains competitive performance while offering significant speed and cost advantages over specialized models.
Input, $/1M $5.00
Output, $/1M $15.00
Context 128 000
Max output 4 096
Accepts files, images, text
Last checked 04.11.2026 12:00:14 UTC
Source provider's page
Price alerts
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 | |
|---|---|
| Endpoint | |
| Model id | |
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-2024-05-13", "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-2024-05-13",
"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-2024-05-13",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 256
}),
});
console.log(await r.json());Request (JSON)
{
"model": "openai/gpt-4o-2024-05-13",
"messages": [
{
"role": "user",
"content": "Hello!"
}
],
"max_tokens": 256
}Response (JSON)
{
"id": "chatcmpl-...",
"object": "chat.completion",
"model": "openai/gpt-4o-2024-05-13",
"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.
Source: AI Rate Card, https://airatecard.com/en/c/offer%3Afastrouter%7Copenai/gpt-4o-2024-05-13, prices checked 2026-11-04; seller's page: https://fastrouter.ai/models/openai/gpt-4o-2024-05-13
Technical details
ID: offer:fastrouter|openai/gpt-4o-2024-05-13