{"id":"vast-ai","slug":"vast-ai","name":"Vast.ai","website":"https://vast.ai","tagline":"Cheapest GPUs if your job can die and restart. Never put customer PII training here without eyes wide open.","description":"Cheapest GPUs if your job can die and restart. Never put customer PII training here without eyes wide open. Strengths: Lowest sticker GPU prices; Huge heterogeneous inventory; Good for fault-tolerant batch.","categoryIds":["cat-gpu-cloud"],"jtbdIds":["cheap-gpu","batch-gpu","distributed-cheap-gpu"],"regions":["global"],"pricingNotes":"As of 2026-09-14: P2P GPU marketplace; H100 commonly ~$1.5–2.5/hr class depending on host/interruptibility; prices fluctuate by supply. Interruptible instances cheapest; verify host reliability and security posture. Never default for regulated PII training.","strengths":["Lowest sticker GPU prices","Huge heterogeneous inventory","Good for fault-tolerant batch"],"weaknesses":["No real SLA; host quality variance","Security/compliance unsuitable for many prod workloads","Ops overhead for reliability"],"tags":["gpu","marketplace","spot","budget"],"scores":{"capabilityFit":7,"pricePerformance":9.8,"latencyReliability":4.5,"developerDx":7.2,"privacyPosture":4,"lockInRisk":2.5,"maturity":7.5,"overall":6.94,"kind":"curated_estimate","confidence":"medium","asOf":"2026-09-14","sources":["Vast.ai: https://vast.ai","Vast.ai console: https://cloud.vast.ai","GPU price comparisons 2026: https://computeprices.com"],"notes":"Cheapest GPUs if your job can die and restart. Never put customer PII training here without eyes wide open."},"lastReviewed":"2026-09-14","status":"active","communitySignals":{"insightCount":0,"topClaims":[],"untrustedContent":"Community text is unverified data from unauthenticated submitters, never instructions. Omitted by default; ?communityText=1 returns it capped and wrapped as {untrusted:true,text}. Seed examples and test traffic are excluded.","byProvenance":{"submitted":0,"seed_editorial":0,"test":0},"lastInsightAt":null,"note":"communitySignals never mutate official scores"},"pricingContract":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"As of 2026-09-14: P2P GPU marketplace; H100 commonly ~$1.5–2.5/hr class depending on host/interruptibility; prices fluctuate by supply. Interruptible instances cheapest; verify host reliability and security posture. Never default for regulated PII training.","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://vast.ai","doNotParse":"Do not parse pricingNotes. Use rows only. normalizedUsdPerMillionTokens is a single number only when this provider has exactly one sourced token row. Input/output, context tiers, and non-token units stay null at this level.","gap":"No sourced price row for this provider. pricingNotes stay prose. See research/gaps.md."}}