80trust / 100

Cheapest Long Context

by modelprices.xyz in AI models & inference

x402 APIPassing, checked 33 min ago

Cheapest long-context LLM leaderboard: the 50 lowest-cost AI models with a 200,000-token context window or larger, ranked by inference cost per token — Claude 5, Gemini 3, GPT-5, Llama 4 Scout and more across 70+ providers. Input, output and cache USD per 1M tokens with exact context window and max output tokens joined in. Refreshed hourly.

GET https://modelprices.xyz/llm/cheapest/long-context

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
6 ms typical, 25 ms slowest 5%
Last check
33 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/long-context"
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%2Flong-context
const res = await pay("https://modelprices.xyz/llm/cheapest/long-context");
console.log(await res.json());

Example input

{}

Example output

{
  "board": "Cheapest 200k+ context models",
  "generated_at": "2026-07-14T02:00:00.000Z",
  "model_count": 24,
  "models": [
    {
      "context_window": 200000,
      "id": "gemini-3-flash",
      "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
33 min agoPassed4026 ms$0.01
4 h agoPassed4025 ms$0.01
8 h agoPassed40220 ms$0.01
11 h agoPassed40218 ms$0.01
15 h agoPassed40231 ms$0.01
19 h agoPassed4025 ms$0.01
22 h agoPassed4026 ms$0.01
26 h agoPassed40225 ms$0.01
29 h agoPassed40220 ms$0.01
35 h agoPassed4024 ms$0.01