AI Rate Card

GPT-5.3 Codex · poe

GPT‑5.3‑Codex excels in software development. It understands complex codebases, provides accurate completions, explains algorithms, and assists with debugging across modern programming languages. Designed for developers, it elevates productivity and supports full‑stack coding workflows with precision. Supports 400k tokens of input context. This bot supports optional parameters for additional customization.

Base modelAll models on this baseAll models of the providerto the provider

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Input, $/1M $1.59

Output, $/1M $12.73

Cache read $0.16

Cache write —

Context 400 000

Accepts images, text

Last checked 04.11.2026 12:00:14 UTC

Source provider's page

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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://api.poe.com/v1
Endpoint
https://api.poe.com/v1/chat/completions
Model id
gpt-5.3-codex
curl
curl https://api.poe.com/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "gpt-5.3-codex", "messages": [{"role": "user", "content": "Hello!"}], "max_tokens": 256}'
Python
import requests

r = requests.post(
    "https://api.poe.com/v1/chat/completions",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "gpt-5.3-codex",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ],
      "max_tokens": 256
    },
)
print(r.json())
JavaScript
const r = await fetch("https://api.poe.com/v1/chat/completions", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "gpt-5.3-codex",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ],
    "max_tokens": 256
  }),
});
console.log(await r.json());
Request (JSON)
{
  "model": "gpt-5.3-codex",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "max_tokens": 256
}
Response (JSON)
{
  "id": "chatcmpl-...",
  "object": "chat.completion",
  "model": "gpt-5.3-codex",
  "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%3Apoe%7Cgpt-5.3-codex, prices checked 2026-11-04; seller's page: https://poe.com/gpt-5.3-codex

Technical details

ID: offer:poe|gpt-5.3-codex