modelprices.xyz
x402Grade BLast checked 49 min ago
GET https://modelprices.xyz/llm/context-windows
Largest-context-window leaderboard: the 100 AI models with the biggest context windows, ranked descending — how many tokens each model can actually take, its max output tokens, modality support, and what those tokens cost. Compare GPT-5, Claude 5, Gemini 3 Pro, Llama 4 Scout and 2,000+ more on context capacity and price together. Refreshed hourly.
Price$0.01per model request · paid in USD on Base
Uptime100%
4/4 probes · 1510 ms
Score71Grade 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/context-windows"
# 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 10:31 | Valid 402 | 402 | 940 ms | $0.01 |
| 2026-10-11 06:15 | Valid 402 | 402 | 1642 ms | $0.01 |
| 2026-10-11 01:45 | Valid 402 | 402 | 2927 ms | $0.01 |
| 2026-10-10 21:30 | Valid 402 | 402 | 1378 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