modelprices.xyz
x402Grade BLast checked 3 hours ago
GET https://modelprices.xyz/llm/cheapest/long-context
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.
Price$0.01per model request · paid in USD on Base
Uptime100%
4/4 probes · 1254 ms
Score72Grade B
Paid usage, 30 days2payers · 2 calls
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://modelprices.xyz/llm/cheapest/long-context"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 09:00 | Valid 402 | 402 | 1254 ms | $0.01 |
| 2026-10-11 04:30 | Valid 402 | 402 | 1893 ms | $0.01 |
| 2026-10-11 00:00 | Valid 402 | 402 | 1254 ms | $0.01 |
| 2026-10-10 19:15 | Valid 402 | 402 | 888 ms | $0.01 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves