Context Window200K
Max Output32K
Input Price$15/1M
Output Price$75/1M
Cached Input$1.5/1M
CAPABILITIES
What This Model Can Do
Chat Completions
Multi-turn conversations with context
Vision
Analyze and understand images
Function Calling
Call external functions and APIs
JSON Mode
Guaranteed valid JSON output
Streaming
Real-time response streaming
System Prompt
Custom system instructions
CODE
Quick Start
import { Transactional } from '@usetransactional/node';
const client = new Transactional(process.env.TRANSACTIONAL_API_KEY);
const response = await client.ai.chat.completions.create({
model: 'claude-opus-4-20250514',
messages: [
{ role: 'system', content: 'You are a helpful assistant.' },
{ role: 'user', content: 'Explain quantum computing in simple terms.' }
],
temperature: 0.7,
max_tokens: 1024,
});
console.log(response.choices[0].message.content);