OpenAI: GPT 5.2 2025 12 11

stable

GPT 5.2 2025 12 11 is available through Everstack's OpenAI-compatible gateway with routing, fallback, retries, and observability.

gpt-5.2-2025-12-11gpt-5

Provider Quick start

Context

128K

tokens

Max output

16.4K

tokens

Input

per 1M

Output

per 1M

Activity

Daily period usage

Aggregated managed Everstack traffic. Buckets below 5 tenants or 100 requests are withheld.

Providers

ProviderContextInput /MOutput /M

OpenAI

128K--

Pricing

No pricing data available.

Performance

Reliability

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Capabilities

Modalities

Input

Output

Details

Model ID: gpt-5.2-2025-12-11
Family: gpt-5
Status: stable
Knowledge: -
Released: -

Gateway Config

API: 2024-01-01
Auth: OPENAI_API_KEY
Discovery: static
Provider type: static

Quick Start

index.ts

import Everstack from "@everstack/node";const client = new Everstack({  apiKey: process.env.EVERSTACK_API_KEY!,  baseUrl: "https://{instance}.{region}.everstack.ai",});const completion = await client.chat.completions.create({  model: "@openai/gpt-5.2-2025-12-11",  messages: [{ role: "user", content: "Explain vector cache routing." }],});console.log(completion.choices[0]?.message?.content);

Endpoint

Base URL

https://api.openai.com/v1

Chat completions

https://api.openai.com/v1/chat/completions

Model

gpt-5.2-2025-12-11

Auth env

OPENAI_API_KEY

GPT 5.2 2025 12 11 FAQ

What is the context window of GPT 5.2 2025 12 11?

GPT 5.2 2025 12 11 accepts up to 128K tokens of context and returns up to 16.4K output tokens on OpenAI.

What can GPT 5.2 2025 12 11 do?

GPT 5.2 2025 12 11 supports chat, function calling and image input. It accepts text and image input.

How do I call GPT 5.2 2025 12 11 through Everstack?

Point any OpenAI-compatible SDK at your Everstack gateway and set the model to @openai/gpt-5.2-2025-12-11. Everstack adds retries, provider fallback, caching, per-tenant budgets and OpenTelemetry traces for every request.