OpenAISees images
GPT-5.2-Codex
openai/gpt-5.2-codexGPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Context
400K tokens
Input, 1M tokens
$2.01
Output, 1M tokens
$16
Benchmark
—
Uptime and speed
Loading…
Pricing
Charged from your prepaid balance for the tokens actually used.
Input tokens$2.01 per 1M tokens
Output tokens$16 per 1M tokens
Cache read$0.2 per 1M tokens
Apps and activity
Loading…
Technical details
Model IDopenai/gpt-5.2-codex
Context window400K tokens
AcceptsText, Images, pdf
ProducesText
TokenizerGPT
Max output tokens128,000
How to connect
The API is OpenAI-compatible: the official SDKs, LangChain and any client with a "base URL" field work.
import OpenAI from 'openai'
const client = new OpenAI({
baseURL: 'https://getmegabrain.com/api/gateway/v1',
apiKey: process.env.MEGABRAIN_API_KEY,
})
const response = await client.chat.completions.create({
model: 'openai/gpt-5.2-codex',
messages: [{ role: 'user', content: 'Hello!' }],
})Start using GPT-5.2-Codex
Create a free account, get a key in your dashboard and send your first request. Top up your balance when you need it.