CLAUDE MODEL API

Claude Sonnet 5 API at a lower token cost.

Claude Sonnet 5 balances quality, speed, and cost for coding, assistants, and business automation. It is the natural Claude-family starting point for many production applications.

Get an API key
WorldGate input$1.65per 1M tokens
WorldGate output$8.25per 1M tokens
Referenced list price$3.00 / $15.00input / output
Discount45%using displayed reference rates

MODEL OVERVIEW

Fast, capable Claude intelligence for everyday production use.

Claude Sonnet 5 balances quality, speed, and cost for coding, assistants, and business automation. It is the natural Claude-family starting point for many production applications.

WorldGate bills actual input, output, and eligible cached tokens against a prepaid balance. The published price is the usage rate used by server-side billing.

OPENAI-COMPATIBLE

Use Claude Sonnet 5 with the client you know.

Keep credentials on your server. Replace the base URL and select the WorldGate model identifier.

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

const response = await client.chat.completions.create({
  model: "claude-sonnet-5",
  messages: [{ role: "user", content: "Hello" }],
});

QUESTIONS

Claude Sonnet 5 API FAQ

How much does Claude Sonnet 5 cost?

$1.65 per one million input tokens and $8.25 per one million output tokens. Verify current pricing before purchasing.

Is it OpenAI-compatible?

Yes. Use the WorldGate base URL, server-side API key, and model identifier claude-sonnet-5.

When should I choose this model?

Fast, capable Claude intelligence for everyday production use. Test representative prompts before moving production traffic.

Related Claude APIs

Claude Fable 5$5.50 input / $27.50 outputClaude Opus 4.8$2.75 input / $13.75 outputClaude Opus 4.7$2.75 input / $13.75 output

Ready to test Claude Sonnet 5?

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