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OpenKey

OpenAI GPT Latest

OpenAIReleased Apr 27, 2026

This model always redirects to the latest model in the OpenAI GPT family.

Try in playground
Context window
1.1M tokens
Max output
128K tokens
Input
file, image, text
Output
text
Tokenizer
Router
Knowledge cutoff
Dec 1, 2025
Released
Apr 27, 2026
Reasoning
optional

Pricing

Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.

Per 1M tokensProvider+ 3% feeYou pay
Input$5.00$0.150$5.15
Output$30.00$0.900$30.90
Cache read$0.500$0.015$0.515

Supported parameters

  • include_reasoning
  • max_completion_tokens
  • max_tokens
  • reasoning
  • response_format
  • seed
  • structured_outputs
  • tool_choice
  • tools

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model ~openai/gpt-latest.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "~openai/gpt-latest",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openkey.ai/v1",
    api_key=os.environ["OPENKEY_API_KEY"],
)

completion = client.chat.completions.create(
    model="~openai/gpt-latest",
    messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.openkey.ai/v1",
  apiKey: process.env.OPENKEY_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "~openai/gpt-latest",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does OpenAI GPT Latest cost via API?
Through OpenKey, OpenAI GPT Latest costs $5.15 per 1M input tokens and $30.90 per 1M output tokens. That is the provider price ($5.00 / $30.00) plus a flat 3% fee — nothing else.
What is OpenAI GPT Latest's context window?
OpenAI GPT Latest accepts up to 1.1M tokens of context and returns up to 128K tokens per request.
Is OpenAI GPT Latest OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "~openai/gpt-latest" using any OpenAI SDK — only the base URL and API key change.
What inputs does OpenAI GPT Latest support?
OpenAI GPT Latest accepts file, image, text input and produces text output. Its knowledge cutoff is Dec 1, 2025.

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