{"uid":"cap_6rowfh_GQcSce5Bp-h622","slug":"gpt-5-4-mini-structured-json-extraction-mini-tier-95127037","name":"GPT-5.4-mini Structured JSON Extraction (Mini Tier)","description":"Low-cost structured extraction and classification-friendly JSON output. Model tier: mini; upstream model: gpt-5.4-mini. Price is derived from official OpenAI relative token costs with a local margin and floor. Pay up to $0.003232 per request with x402 USDC on Base. Public paid calls are limited to 700000 input characters and 4096 output tokens.","url":"https://gpt55.558686.xyz/v1/tools/extract-json/mini?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","maxLength":700000,"minLength":1},"fields":{"type":"array","items":{"type":"string"}},"schema":{"type":"object","additionalProperties":true},"max_tokens":{"type":"integer","maximum":4096,"minimum":1},"temperature":{"type":"number","maximum":2,"minimum":0}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.00293","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":1,"rating":{"score":"0.00","successRate":"0.00","reviews":1,"stars":null,"state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003232/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003232","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003232","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2zDYc_6TtsXz65Qj0pOvT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003232","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts structured JSON from unstructured text using a low-cost mini-tier GPT model, supporting custom field lists or schema-driven output.","exampleAgentPrompt":"Extract the following fields from this text as JSON — 'company_name', 'revenue', 'founded_year', and 'headquarters' — from: 'Acme Corp was founded in 1998 and is headquartered in Austin, Texas, with annual revenue of $45 million.'","exampleUseCases":null,"resultDescription":"Returns a structured JSON object with the requested fields extracted or classified from the input text, conforming to any provided schema, up to 4096 output tokens.","failureModes":["Input text exceeds 700,000 character limit — request rejected","max_tokens exceeds 4096 — validation error","Temperature out of 0–2 range — bad request","Payment not provided or insufficient USDC — x402 payment required response","Model fails to extract requested fields — returns partial or empty JSON object","Malformed schema object — extraction may fail or produce unexpected structure"],"whenToPreferThis":"Choose this endpoint when you need low-cost, fast structured JSON extraction or classification from text and can tolerate a mini-tier model. Ideal for high-volume extraction pipelines where cost per call matters and the task doesn't require maximum reasoning power. Prefer over full GPT-5.5 endpoints when tasks are straightforward field extraction, entity parsing, or classification rather than complex generation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":1,"lastUsedAt":"2026-07-17T22:08:57.493Z","lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:38:59.112Z","isFirstParty":false,"canonicalSlug":"gpt-5-4-mini-structured-json-extraction-mini-tier-95127037"}