openaiVision
OpenAI: GPT-5.1
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
Context
400k tokens
Input / 1M tokens
$1.25
Output / 1M tokens
$10
Benchmark
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Pricing
Input tokens$1.25 per 1M tokens
Output tokens$10 per 1M tokens
Cache read$0.13 per 1M tokens
Technical details
Model IDopenai/gpt-5.1
Context window400k tokens
Input modalitiesimage, text, file, pdf
Output modalitiestext
TokenizerGPT
Max output tokens128,000
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-5.1',
messages: [{ role: 'user', content: 'Hello!' }],
})