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o3 Pro
openai/o3-proThe o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently...
Context
200K tokens
Input, 1M tokens
$23
Output, 1M tokens
$92
Benchmark
—
Uptime and speed
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Pricing
Charged from your prepaid balance for the tokens actually used.
Input tokens$23 per 1M tokens
Output tokens$92 per 1M tokens
Apps and activity
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Technical details
Model IDopenai/o3-pro
Context window200K tokens
AcceptsText, Files, Images, pdf
ProducesText
TokenizerGPT
Max output tokens100,000
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/o3-pro',
messages: [{ role: 'user', content: 'Hello!' }],
})Start using o3 Pro
Create a free account, get a key in your dashboard and send your first request. Top up your balance when you need it.