the402 endpoint detail

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modelprices.xyz cheapest vision

https://modelprices.xyz/llm/cheapest/vision

answers 402

Cheapest vision/multimodal LLM leaderboard: the 50 lowest-cost AI models that accept image input, ranked by token price across every provider — GPT-5, Claude 5, Gemini 3, Llama 4, Qwen VL and more. Input, output and cache USD per 1M tokens with context window joined in. Answers 'what is the cheapest model that can read images?' in one call. Refreshed hourly.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x63a20fa244d3E6a8902121E99704b7F857dc6EBB
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
167 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:21:02.092Z (32d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fmodelprices.xyz%2Fllm%2Fcheapest%2Fvision"