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GPT-5.4-mini Short Answer & Context QA
x402
GPT-5.4-mini Short Answer & Context QA is a paid API for AI agents from gpt55.558686.xyz, paid per call via x402, $0.002627/call, status unknown (last checked 2026-09-13).
Answers a question from optional context text using a low-cost GPT-5.4-mini model, billed per request via x402 USDC on Base
Price / call$0.002627
Success—
StatusUnknown
How this service works
Low-cost short answers and context QA. 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 $0.002627 per request with x402 USDC on Base. Public paid calls are limited to 700000 input characters and 4096 output tokens.
Output
A short natural language answer to the submitted question, optionally grounded in the provided context text, generated by GPT-5.4-mini with up to 4096 output tokens
Example use cases
Example prompt
“Using the mini-tier QA endpoint, answer this question based on the following contract excerpt: 'What is the termination notice period?' — keep the answer under 200 tokens.”
Technical details
Endpoint
POSThttps://gpt55.558686.xyz/v1/tools/answer/miniWhen to prefer
Choose this endpoint when you need low-cost, fast question answering over a provided text context and don't need structured JSON output or code review. Ideal for document QA, reading comprehension tasks, support ticket triage, or any scenario where cost efficiency matters and the mini model's capability is sufficient. Prefer it over the standard-tier endpoints when budget is constrained and questions are straightforward.
Side effects
- Question missing or empty — 400 validation error (minLength:1 required)
- Context or question exceeds 700,000 characters — 400 payload too large
- max_tokens out of range (must be 1–4096) — 400 validation error
- Payment not authorized or insufficient USDC balance — 402 payment required
- Temperature out of range (0–2) — 400 validation error
- Model upstream unavailable — 503 or timeout
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| context | string | |
| question | string | |
| max_tokens | integer | |
| temperature | number |
Tags
x402
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Zero review prompt (fires after every successful call)
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