80trust / 100

Cheapest Overall

by modelprices.xyz in AI models & inference

x402 APIPassing, checked 35 min ago

Cheapest LLM leaderboard: the 50 lowest-cost AI models available anywhere right now, ranked by inference cost per token across 70+ providers (OpenAI, Anthropic, Google, Meta, xAI, Mistral, DeepSeek). Input, output, cache and batch USD per 1M tokens, with context window and capability flags joined in. The one call that answers 'what is the cheapest model I can use?' Refreshed hourly.

GET https://modelprices.xyz/llm/cheapest/overall

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
20 ms typical, 32 ms slowest 5%
Last check
35 min ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://modelprices.xyz/llm/cheapest/overall"
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 $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fmodelprices.xyz%2Fllm%2Fcheapest%2Foverall
const res = await pay("https://modelprices.xyz/llm/cheapest/overall");
console.log(await res.json());

Example input

{}

Example output

{
  "board": "Cheapest models overall",
  "generated_at": "2026-07-14T02:00:00.000Z",
  "model_count": 24,
  "models": [
    {
      "context_window": 200000,
      "id": "gemini-3-flash-lite",
      "input_per_mtok": 3,
      "output_per_mtok": 15,
      "provider": "anthropic"
    }
  ]
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
35 min agoPassed4025 ms$0.01
4 h agoPassed40220 ms$0.01
8 h agoPassed40217 ms$0.01
11 h agoPassed40228 ms$0.01
16 h agoPassed40231 ms$0.01
19 h agoPassed40222 ms$0.01
23 h agoPassed40232 ms$0.01
26 h agoPassed4028 ms$0.01
29 h agoPassed40281 ms$0.01
35 h agoPassed4024 ms$0.01