modelprices.xyz
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, Cl
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 123 ms
- Price
- $0.010 per call
- Paying buyers, last 30 days
- 2 (directory's own records)
- Paid calls, last 30 days
- 2
- Category
- AI model answers
- Address
- https://modelprices.xyz/llm/context-windows
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/333c68777685.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).