{"id":"arthur-ai","slug":"arthur-ai","name":"Arthur AI","website":"https://www.arthur.ai","tagline":"Monitoring/evals peer with a real $60 Premium. Prefer Braintrust/Langfuse for tracing defaults; Arthur when…","description":"Monitoring/evals peer with a real $60 Premium. Prefer Braintrust/Langfuse for tracing defaults; Arthur when governance+Shield narrative matters. Strengths: Public Free/Premium monitoring+evals card; Agent-oriented spans/jobs metering; Shield firewall for enterprise.","categoryIds":["cat-observability"],"jtbdIds":["production-guardrail-evals","llm-tracing","llm-input-guardrails","runtime-llm-firewall"],"regions":["global","us"],"pricingNotes":"As of 2026-09-14 (arthur.ai/pricing): Free $0 — 4 use cases, 5k jobs / 300k spans / 12k inferences / 3k evals, 7-day retention. Premium $60/mo — 100 use cases, 20k jobs / 1.2M spans / 100k inferences / 75k evals, 30-day retention, custom dashboards/alerts. Enterprise custom (VPC, SSO, BAA, SLA). Arthur Shield LLM firewall is separately sales-gated.","strengths":["Public Free/Premium monitoring+evals card","Agent-oriented spans/jobs metering","Shield firewall for enterprise"],"weaknesses":["Shield price opaque","Not a specialist injection API like Lakera","Premium limits still thin vs Braintrust scale"],"tags":["safety","evals","monitoring","firewall"],"scores":{"capabilityFit":8.2,"pricePerformance":8,"latencyReliability":8,"developerDx":8.2,"privacyPosture":7.8,"lockInRisk":4.5,"maturity":8,"overall":7.89,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14","sources":["Arthur pricing: https://www.arthur.ai/pricing","Arthur Shield: https://www.arthur.ai/product/shield"],"notes":"Monitoring/evals peer with a real $60 Premium. Prefer Braintrust/Langfuse for tracing defaults; Arthur when governance+Shield narrative matters."},"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 (arthur.ai/pricing): Free $0 — 4 use cases, 5k jobs / 300k spans / 12k inferences / 3k evals, 7-day retention. Premium $60/mo — 100 use cases, 20k jobs / 1.2M spans / 100k inferences / 75k evals, 30-day retention, custom dashboards/alerts. Enterprise custom (VPC,…","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://www.arthur.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."}}