{"uid":"cap_mn6Nl-gt8DahwoeiI0srD","slug":"zeroreader-sea-lion-27b-southeast-asian-languages-llm-cc7a21ba","name":"ZeroReader SEA-LION 27B — Southeast Asian Languages LLM","description":"SEA-LION 27B — Southeast Asian languages specialist.","url":"https://api.zeroreader.com/v1/ai/sea-lion-27b?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_VLRqGuy_iqnylQAWliKn4","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 the SEA-LION 27B model, a large language model specialized in Southeast Asian languages","exampleAgentPrompt":"Using the SEA-LION 27B model on ZeroReader, send this conversation: system prompt 'You are a helpful assistant fluent in Bahasa Indonesia', user message 'Jelaskan perbedaan antara machine learning dan deep learning dalam 3 kalimat singkat' — max 512 tokens, temperature 0.5.","exampleUseCases":null,"resultDescription":"Returns an OpenAI-compatible chat completion object containing the assistant's generated message, a finish reason (e.g. 'stop'), a completion ID, and the message role. The response reflects SEA-LION 27B's Southeast Asian language specialization.","failureModes":["Payment not provided or insufficient — 402 Payment Required","Messages array is empty or missing required role/content fields — 400 Bad Request","max_tokens exceeds 4096 — validation error","Temperature outside 0–2 range — validation error","Model overloaded or unavailable — 503 Service Unavailable","Streaming not supported in certain client configurations when stream=true"],"whenToPreferThis":"Choose this endpoint when you need strong performance in Southeast Asian languages (Thai, Indonesian, Malay, Vietnamese, Tagalog, etc.) and want a large 27B-parameter model. Prefer it over smaller models like Llama 3.2 3B when language quality and nuance matter, and over English-focused models like BGE Large EN when the input/output is primarily in SEA languages.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T01:29:25.028Z","isFirstParty":false,"canonicalSlug":"zeroreader-sea-lion-27b-southeast-asian-languages-llm-cc7a21ba"}