Claude Sonnet 4.5

LLM

anthropic/claude-sonnet-4-5

Balanced Claude model.

$3.000

per 1M tokens

Quick start

curl -X POST https://api.zekron.tech/api/v1/chat/completions \\
  -H "Authorization: Bearer zk_live_YOUR_KEY" \\
  -H "Content-Type: application/json" \\
  -d '{"model":"anthropic/claude-sonnet-4-5","messages":[{"role":"user","content":"Explain quantum computing in one paragraph."}]}'

Example response

{
  "id": "chatcmpl_abc123",
  "object": "chat.completion",
  "model": "anthropic/claude-sonnet-4-5",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Quantum computing harnesses quantum-mechanical phenomena like superposition and entanglement to perform computations."
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 18,
    "completion_tokens": 24,
    "total_tokens": 42
  }
}