Claude Anthropic: Opus 4 & Sonnet 4

Claude by Anthropic has established itself as the most serious alternative to ChatGPT. With Claude Opus 4 (flagship) and Claude Sonnet 4 (production), Anthropic pushes the boundaries of conversational AI while focusing on safety through its Constitutional AI approach.

VOID integrates Claude into client applications: intelligent chatbots, document analysis, content generation, smart business assistants.

The Claude Family in 2025

FLAGSHIP

Claude Opus 4

Most powerful

• Advanced reasoning
• Expert code generation
• Complex analysis
• 200K token context
• Multimodal vision

RECOMMENDED

Claude Sonnet 4

Balanced & fast

• Best value for money
• Fast responses
• Versatile
• 200K token context
• Multimodal vision

Claude Haiku

Fast & economical

• Ultra-fast
• Minimal cost
• Simple tasks
• 200K token context
• Basic vision

Constitutional AI: The Anthropic Approach

Constitutional AI is Anthropic's approach to creating AI that is safe, honest, and helpful. The model is trained to follow a "constitution" of ethical principles.

🛡️ Safe

Refuses dangerous requests, avoids harmful biases

✅ Honest

Acknowledges limits, doesn't fabricate information

🎯 Helpful

Follows instructions, provides complete answers

API Integration

claude-integration.ts

import Anthropic from '@anthropic-ai/sdk';

const anthropic = new Anthropic({
  apiKey: process.env.ANTHROPIC_API_KEY,
});

async function askClaude(prompt: string) {
  const message = await anthropic.messages.create({
    model: 'claude-sonnet-4-20250514',
    max_tokens: 4096,
    messages: [{ role: 'user', content: prompt }]
  });
  return message.content[0].text;
}

VOID integrates Claude into your applications

We deploy Claude Opus 4 and Sonnet 4 for our clients: intelligent chatbots, document analysis, content generation, smart business assistants.

Frequently Asked Questions

What is Claude by Anthropic?

Claude is a family of conversational AI models developed by Anthropic. It includes Claude Opus 4 (most powerful), Claude Sonnet 4 (balanced), and Claude Haiku (fast and economical).

What's the difference between Opus 4 and Sonnet 4?

Claude Opus 4 is optimized for complex tasks (reasoning, code, analysis). Claude Sonnet 4 offers excellent value for production. Opus 4 excels in precision, Sonnet 4 in speed and economy.

Is Claude better than ChatGPT?

Claude and GPT-4 are comparable in overall performance. Claude excels in long-form writing, instruction following, and safety. GPT-4 is more versatile with plugins and advanced multimodality.