openaiVision
OpenAI: GPT-5 Codex
GPT-5-Codex is a specialized version of GPT-5 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
$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-codex
Context window400k tokens
Input modalitiestext, image, 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-codex',
messages: [{ role: 'user', content: 'Hello!' }],
})