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claude-sonnet-4-5

4k ContextTextPopular

Anthropic's claude-sonnet-4-5. thoughtful AI with strong ethics.

Quick Start Guide

example.tsTypeScript
import OpenAI from "openai";

const openai = new OpenAI({
  baseURL: "https://api.okrouter.com/v1",
  apiKey: "<YOUR_OKROUTER_KEY>",
});

async function main() {
  const completion = await openai.chat.completions.create({
    model: "claude-sonnet-4-5",
    messages: [
      { role: "user", content: "Hello! What can you do?" }
    ],
  });

  console.log(completion.choices[0].message);
}

main();

Getting started with claude-sonnet-4-5 is easy. Since OkRouter is fully compatible with the OpenAI SDK, you can use existing libraries to access this model immediately. claude-sonnet-4-5 is fully compatible with the OpenAI Chat Completions API. distinctive features include Standard context handling and Text support.

Frequently Asked Questions

?How much does claude-sonnet-4-5 cost?

claude-sonnet-4-5 costs $2.64 per 1M input tokens and $13.20 per 1M output tokens via OkRouter. This is 20% cheaper than OpenRouter with the same great performance.

?Is claude-sonnet-4-5 compatible with OpenAI SDK?

Yes! claude-sonnet-4-5 works seamlessly with all OpenAI SDKs (Python, JavaScript, Go, etc.). Simply change your base_url to api.okrouter.com and use your OkRouter API key. No code changes needed.

?What is claude-sonnet-4-5 best used for?

claude-sonnet-4-5 excels at content generation and copywriting, question answering systems, conversational ai applications. It's competitively priced and perfect for professional applications requiring high quality.