spec: FinOps Framework 1.0 focus: FOCUS-aligned provider: LMNT providerId: lmnt created: 2026-06-12 modified: 2026-06-12 billingModel: subscription-plus-metered description: > LMNT uses a subscription plus metered overage billing model. Each paid plan includes a monthly character allotment billed as a flat subscription fee. Characters consumed beyond the included allotment are billed at a per-1,000- character rate that decreases with higher-tier plans. The free tier provides 15,000 characters monthly with no billing. focusColumns: - name: ChargeCategory value: Usage description: Primary charge type is usage-based on characters synthesized. - name: ServiceName value: LMNT Speech API - name: ResourceType value: text-to-speech synthesis - name: BillingCurrency value: USD - name: ChargeFrequency value: Monthly - name: PricingUnit value: 1000 characters meters: - name: Characters Synthesized unit: characters description: > Total number of text characters submitted for speech synthesis across all API calls within a billing period, including both included allotment and overage consumption. aggregation: sum period: month pricing: - plan: Free included: 15000 overageRate: null overageUnit: null - plan: Indie included: 200000 overageRate: 0.05 overageUnit: per 1,000 characters - plan: Pro included: 1250000 overageRate: 0.045 overageUnit: per 1,000 characters - plan: Premium included: 5700000 overageRate: 0.035 overageUnit: per 1,000 characters - plan: Enterprise included: custom overageRate: custom overageUnit: negotiated principles: - name: Understand Usage description: > Monitor character consumption via the LMNT usage dashboard at app.lmnt.com to track spend against included allotments and anticipate overage billing. - name: Optimize Rates description: > Upgrade to higher subscription tiers to reduce per-character overage costs; the overage rate drops from $0.05/1K on Indie to $0.035/1K on Premium, providing meaningful savings at scale. - name: Rightsize Subscriptions description: > Choose the subscription tier whose included character volume matches average monthly usage to minimize both over-provisioning and overage costs. - name: Track Requests description: > Leverage the request-id response header (API v1.1+) for per-request cost attribution and troubleshooting in multi-tenant or high-volume environments.