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Chat Completions

by AI Open Models - Auto in AI models & inference

x402 APIPassing, checked 3 h ago

Automatically select a suitable open-weight model from Kimi K3, Qwen3.6-35B-A3B, and GLM-5.2, then generate a chat completion. The exact price is calculated from the selected model, prompt, and requested maximum completion tokens.

POST https://api.ai-open-models.com/v1/auto/chat/completions

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
9 ms typical, 9 ms slowest 5%
Last check
3 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://api.ai-open-models.com/v1/auto/chat/completions" \
  -H "content-type: application/json" \
  -d '{"max_tokens":512,"messages":[{"content":"Plan a repository-wide multi-file architecture migration.","role":"user"}],"model":"ai-open-models/auto","stream":false,"temperature":0.2}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.ai-open-models.com%2Fv1%2Fauto%2Fchat%2Fcompletions
const res = await pay("https://api.ai-open-models.com/v1/auto/chat/completions", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"max_tokens":512,"messages":[{"content":"Plan a repository-wide multi-file architecture migration.","role":"user"}],"model":"ai-open-models/auto","stream":false,"temperature":0.2}),
});
console.log(await res.json());

Example input

{
  "max_tokens": 512,
  "messages": [
    {
      "content": "Plan a repository-wide multi-file architecture migration.",
      "role": "user"
    }
  ],
  "model": "ai-open-models/auto",
  "stream": false,
  "temperature": 0.2
}

Example output

{
  "choices": [
    {
      "finish_reason": "stop",
      "index": 0,
      "message": {
        "content": "Begin by inventorying package boundaries, dependency edges, and migration constraints.",
        "reasoning_content": "This repository-wide request requires long-horizon architectural planning.",
        "role": "assistant"
      }
    }
  ],
  "created": 0,
  "id": "chatcmpl-auto-example",
  "model": "zai-org/GLM-5.2",
  "object": "chat.completion",
  "usage": {
    "completion_tokens": 30,
    "prompt_tokens": 20,
    "total_tokens": 50
  }
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed4029 ms$0.002

History

11 Oct 2026Price changed from $0.0022 to $0.002