Claude Sonnet 4.5

LLM

anthropic/claude-sonnet-4-5

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 sk-zekron-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_example",
  "object": "chat.completion",
  "model": "anthropic/claude-sonnet-4-5",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Quantum computing uses quantum states to process information."
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 18,
    "completion_tokens": 24,
    "total_tokens": 42
  }
}