MODELS
Available Anthropic Models
Claude Opus 4
Most capable Claude model for complex analysis and extended tasks
Vision
Tools
$15/1M input • $75/1M output
Claude Sonnet 4
Balanced performance and efficiency for most tasks
Vision
Tools
$3/1M input • $15/1M output
Claude 3.5 Sonnet
High-performance model balancing intelligence and speed
Vision
Tools
$3/1M input • $15/1M output
Claude 3.5 Haiku
Fastest Claude model for high-volume, low-latency tasks
Vision
Tools
$0.8/1M input • $4/1M output
Claude 3 Opus
Most powerful Claude 3 model for highly complex tasks
Vision
Tools
$15/1M input • $75/1M output
Claude 3 Haiku
Fast and cost-effective for quick tasks
Vision
Tools
$0.25/1M input • $1.25/1M output
INTEGRATION
Quick Start
import { Transactional } from '@usetransactional/node';
const client = new Transactional(process.env.TRANSACTIONAL_API_KEY);
const response = await client.ai.chat.completions.create({
provider: 'anthropic',
model: 'claude-opus-4-20250514',
messages: [
{ role: 'system', content: 'You are a helpful assistant.' },
{ role: 'user', content: 'Hello!' }
]
});
console.log(response.choices[0].message.content);