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
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 35 min ago | Passed | 402 | 5 ms | $0.01 |
| 4 h ago | Passed | 402 | 20 ms | $0.01 |
| 8 h ago | Passed | 402 | 17 ms | $0.01 |
| 11 h ago | Passed | 402 | 28 ms | $0.01 |
| 16 h ago | Passed | 402 | 31 ms | $0.01 |
| 19 h ago | Passed | 402 | 22 ms | $0.01 |
| 23 h ago | Passed | 402 | 32 ms | $0.01 |
| 26 h ago | Passed | 402 | 8 ms | $0.01 |
| 29 h ago | Passed | 402 | 81 ms | $0.01 |
| 35 h ago | Passed | 402 | 4 ms | $0.01 |