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This model has been delisted from the API. This page is preserved for reference purposes only.

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claude-3-opus-20240229

200k ContextTextPopular

Anthropic's claude-3-opus-20240229 - flagship performance. thoughtful AI with strong ethics.

Capability Radar

Compare with Claude 3

About claude-3-opus-20240229

"Exceptional reasoning and safety"

claude-3-opus-20240229 is Anthropic's premium-tier model featuring focused context window (200K). Exceptional reasoning and safety, this model delivers best-in-class for complex analysis.

⚡ Key Strengths

  • Exceptional reasoning and safety
  • Premium capabilities for demanding applications
  • Advanced reasoning and problem-solving
  • OpenAI SDK compatible
  • Production-ready reliability

🎯 Best Use Cases

  • Complex problem solving and analysis
  • Research and technical writing
  • Strategic planning and decision support
  • Full codebase analysis and refactoring
  • Multi-document research and synthesis
  • Long-form content generation

Interactive Playground

Parameters Setup

0.7

Controls randomness: Lowering results in less random completions.

Return data chunks as they arrive

request.js
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.okrouter.com/v1",
  apiKey: process.env.OKROUTER_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "claude-3-opus-20240229",
  messages: [{ role: "user", content: "Hello world!" }],
  temperature: 0.7,
  stream: true,
});