{"uid":"cap_gMUPE2QYRcbDlmM63SS0U","slug":"openai-gpt-6-sol-chat-completions-x402-usdc-9be80128","name":"OpenAI GPT-6 Sol Chat Completions (x402/USDC)","description":"gpt-6-sol: OpenAI GPT 6 Sol (<=272K input tokens) chat completions, paid per call in USDC. Per 1M tokens in/out: Flex (default) 1.0/5.0, Standard 2.0/10.0, Fast 4.0/20.0; pick with service_tier. Plus $0.0005 (Base) or $0.0005 (Solana) per call; the quote charges input plus 10% of max_tokens. Levels: none, low, medium, high, xhigh (model gpt-6-sol:<level>). Empty answers are free. Rates: https://openai.mm.family/x402/pricing","url":"https://openai.mm.family/x402/v1/models/gpt-6-sol/chat/completions?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"model":{"enum":["gpt-6-sol","gpt-6-sol:none","gpt-6-sol:low","gpt-6-sol:medium","gpt-6-sol:high","gpt-6-sol:xhigh"],"type":"string"},"tools":{"type":"array"},"stream":{"type":"boolean"},"messages":{"type":"array","items":{"type":"object","required":["role","content"],"properties":{"role":{"type":"string"},"content":{"type":"string"}}}},"max_tokens":{"type":"integer"},"service_tier":{"enum":["flex","default","standard","auto","fast","priority"],"type":"string"},"response_format":{"type":"object"},"reasoning_effort":{"type":"string"}}},"responseSchema":{"type":"json","example":{"id":"chatcmpl-x","model":"gpt-6-sol","usage":{"total_tokens":9,"prompt_tokens":8,"completion_tokens":1},"object":"chat.completion","choices":[{"index":0,"message":{"role":"assistant","content":"Hello","refusal":null},"finish_reason":"stop"}],"service_tier":"flex"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_W07ujfadKIPdKD3qE4KO-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Provides OpenAI GPT-6 Sol chat completions (up to 272K input tokens) via a pay-per-call API priced in USDC using the x402 payment protocol","exampleAgentPrompt":"Use GPT-6 Sol at the standard service tier to answer the following conversation — system: 'You are a helpful assistant', user: 'Explain quantum entanglement in two sentences' — with a max of 300 output tokens.","exampleUseCases":[{"title":"AI agent backbone with crypto billing","prompt":"Run my agent loop using GPT-6 Sol on the flex tier — here's the conversation so far: system prompt is 'You are a senior software engineer', and the user just asked 'How do I reverse a linked list in Python?' Allow up to 500 tokens in the response."},{"title":"High-reasoning legal document analysis","prompt":"I need GPT-6 Sol at the xhigh reasoning level to analyze this legal clause and identify any ambiguities: 'The party of the first part agrees to indemnify...' — keep the response under 1000 tokens and use the standard service tier."},{"title":"Structured JSON extraction from unstructured text","prompt":"Use GPT-6 Sol to extract structured data from this customer feedback — set response_format to JSON and pull out sentiment, key topics, and urgency level from: 'The delivery was three days late and the packaging was damaged, I'm really frustrated.' Use fast tier and cap at 200 tokens."}],"resultDescription":"Returns a JSON object containing the assistant's reply message, finish reason (e.g. 'stop'), token usage breakdown (prompt, completion, total), model name, service tier used, and a unique completion ID. Empty completions (e.g. refused or zero-length answers) are billed at $0.","failureModes":["Insufficient USDC balance or x402 payment failure — returns 402 Payment Required","Exceeding 272K input token context window — returns 400 Bad Request","Invalid model variant string — returns 400 with enum validation error","max_tokens set too high causing over-quota charge — quote is input tokens + 10% of max_tokens","Stream mode errors if downstream connection drops mid-stream","Rate limiting at the proxy layer if request volume spikes","Invalid messages array format (missing role or content fields) — returns 422"],"whenToPreferThis":"Choose this endpoint when you need GPT-6 Sol specifically (OpenAI's high-capability model at up to 272K context) and want to pay per call in USDC via the x402 micropayment protocol — ideal for agents that need crypto-native billing without a monthly subscription. Prefer the flex tier for cost sensitivity, standard for balanced throughput, or fast tier for latency-critical paths. Use gpt-6-sol:<level> variants when you need explicit reasoning effort control. If you need more than 272K context, look at a '-long' sibling endpoint instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T04:37:48.991Z","isFirstParty":false,"canonicalSlug":"openai-gpt-6-sol-chat-completions-x402-usdc-9be80128"}