{"uid":"cap_CvmYyIrna8WX9umlvvbWP","slug":"zeroreader-gemma-3-12b-chat-completion-5c84064f","name":"ZeroReader Gemma 3 12B Chat Completion","description":"Gemma 3 12B (Google) — Google's open model. Good at reasoning.","url":"https://api.zeroreader.com/v1/ai/gemma-12b?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"stream":{"type":"boolean","default":false},"messages":{"type":"array","items":{"type":"object","required":["role","content"],"properties":{"role":{"enum":["system","user","assistant"],"type":"string"},"content":{"type":"string"}}}},"max_tokens":{"type":"integer","default":1024,"maximum":4096},"temperature":{"type":"number","default":0.7,"maximum":2,"minimum":0}}},"responseSchema":{"id":"chatcmpl-example","object":"chat.completion","choices":[{"index":0,"message":{"role":"assistant","content":"I'm doing well!"},"finish_reason":"stop"}]},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_D-tLy4M0dvGQyBya5dDWm","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs chat completions using Google's Gemma 3 12B open model, served via ZeroReader's pay-per-call API with x402 micropayment support","exampleAgentPrompt":"Ask Gemma 3 12B to explain the trade-offs between transformer and state-space models in about 300 tokens, with a temperature of 0.5 — use the ZeroReader API.","exampleUseCases":null,"resultDescription":"A chat completion object in OpenAI-compatible format containing the assistant's generated message, finish reason, and choice index. The content field holds the model's text response.","failureModes":["max_tokens exceeded 4096 — request rejected with validation error","temperature out of range (>2 or <0) — request rejected","malformed messages array missing required role or content fields","payment failure via x402 protocol — 402 response before inference runs","model overload or timeout — 5xx server error","stream mode not supported in all client configurations"],"whenToPreferThis":"Prefer this endpoint when you need a capable open-weight model (12B parameters) with solid reasoning ability and want pay-per-call pricing via x402 micropayments rather than a subscription. Choose it over larger siblings when latency and cost matter more than maximum capability, and over smaller models when task complexity warrants more than 3–7B parameters. Well-suited for general reasoning, summarization, and Q&A tasks that don't require specialized math or code reasoning (use DeepSeek R1 for those).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T01:18:30.483Z","isFirstParty":false,"canonicalSlug":"zeroreader-gemma-3-12b-chat-completion-5c84064f"}