gpt-5.4March 2026 release — sits between mini and 5.5. Strong cost/intel ratio.
Multi-turn dialogue, system prompts.
SSE chunks for incremental output.
Structured arguments via JSON schemas.
Pass images alongside the prompt.
Text and image to short video, async.
Coming soon.
This example calls the selected OpenAI route with gpt-5.4.
import OpenAI from 'openai';
const client = new OpenAI({
baseURL: 'https://api.miavo.xyz/v1',
apiKey: process.env.MACAW_API_KEY!,
});
const res = await client.chat.completions.create({
model: 'gpt-5.4',
messages: [
{ role: 'user', content: 'Write me a haiku about gateways.' },
],
});
console.log(res.choices[0].message.content);