{"uid":"cap_Z0I0JSM23ip5L90L_KxdS","slug":"ai-model-comparison-endpoint-x402helper-xyz-df7b9d65","name":"AI Model Comparison Endpoint (x402helper.xyz)","description":"X402 micropayments server — AI agents pay USDC for OFAC screening, rates, and billing verification.","url":"https://x402helper.xyz/89e509/model/compare?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["models"],"properties":{"models":{"type":"string","default":null,"description":"Comma separated list of two to five model names or aliases to compare."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"result":{},"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.013","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.013/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.013","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.013","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PMPhuk5XaGFBs3yFVDdeS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.013","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a side-by-side comparison of two to five AI language models, accessible via USDC micropayment.","exampleAgentPrompt":"Can you compare GPT-4o, Claude 3.5 Sonnet, and Gemini 1.5 Pro side by side so I can decide which one to use for my project?","exampleUseCases":[{"title":"Choosing an LLM for a new product","prompt":"I'm building a customer support chatbot — can you compare GPT-4o, Claude 3 Opus, and Llama 3 so I can pick the best one?"},{"title":"Budget-conscious model selection","prompt":"I need to keep costs low — compare GPT-3.5 Turbo, Mistral 7B, and Gemini Flash so I can see which gives the best value."},{"title":"Research on frontier model capabilities","prompt":"For a report I'm writing, can you pull a side-by-side comparison of GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, and Llama 3.1 405B?"}],"resultDescription":"Returns a JSON object with a 'result' field containing structured comparison data for the specified AI models, and a 'success' boolean indicating whether the request was fulfilled.","failureModes":["Missing or invalid 'models' query parameter (fewer than two or more than five models)","Unrecognized model name or alias returns an error or empty comparison","Payment failure or insufficient USDC balance causes 402 rejection","Malformed comma-separated model list causes parsing errors","Network timeout or server unavailability returns no response"],"whenToPreferThis":"Choose this endpoint when an agent needs a quick, structured comparison of two to five named AI models without having to aggregate data from multiple sources manually. It is particularly useful for agents making model-selection decisions on behalf of users, or when a consistent machine-readable comparison format is required. The x402 micropayment model makes it suitable for pay-per-use agent workflows without subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:42:21.651Z","isFirstParty":false,"canonicalSlug":"ai-model-comparison-endpoint-x402helper-xyz-df7b9d65"}