openaiVision
OpenAI: GPT-5.2 Chat (retires Aug 10)
GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively “think” on...
Context
128k tokens
Input / 1M tokens
$1.75
Output / 1M tokens
$14
Benchmark
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Pricing
Input tokens$1.75 per 1M tokens
Output tokens$14 per 1M tokens
Cache read$0.17 per 1M tokens
Technical details
Model IDopenai/gpt-5.2-chat
Context window128k tokens
Input modalitiesfile, image, text, pdf
Output modalitiestext
TokenizerGPT
Max output tokens16,384
Use with MegaBrain
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-chat',
messages: [{ role: 'user', content: 'Hello!' }],
})Ready to use OpenAI: GPT-5.2 Chat (retires Aug 10)?
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