Retell AI · FinOps Profile

Retell Finops

FinOps view of Retell AI spend. Retell bills per connected call minute, with the effective per-minute rate composed of stacked meters: the Retell voice engine, the voice/TTS provider, the LLM, and (optionally) Retell-managed telephony minutes. Concurrency slots are a separate capacity purchase. Bring-your-own-key for LLM and voice providers shifts those component costs off the Retell invoice. Spend scales with call volume x average call duration, so containment of call length and concurrency are the main cost levers.

Retell Finops is the FinOps profile for Retell AI on the APIs.io network, aligned with the FinOps Foundation Framework.

It defines 6 billable meters, billed in USD, on a monthly cycle, and pricing category usage-based.

The profile maps 8 FOCUS columns for cost-allocation reporting.

Tagged areas include AI, Voice, Voice Agents, Conversational AI, and Telephony.

Category: AI and Machine Learning Pricing: Usage-Based Billing: Monthly FOCUS v1.3
AIVoiceVoice AgentsConversational AITelephonyFinOpsCost ManagementFOCUS

Framework Alignment

Framework
FinOps Foundation Framework
Data Spec
FOCUS v1.3

Charge Categories

UsagePurchaseAdjustment

FOCUS Columns

BillingCurrency
USD
ChargeCategory
Usage
InvoiceIssuerName
Retell AI
PricingCategory
Usage-Based
ProviderName
Retell AI
PublisherName
Retell AI
ServiceCategory
AI and Machine Learning
ServiceName
Retell AI Voice Agents

Meters

voice_engine_minutes
Unit: minutes
Connected call minutes billed for the Retell conversation / voice engine.
tts_voice_minutes
Unit: minutes
Voice (TTS) provider minutes (ElevenLabs, OpenAI, PlayHT, Cartesia); may be zero with BYO key.
llm_minutes
Unit: minutes
LLM inference cost attributed per minute of call; may be zero with BYO key.
telephony_minutes
Unit: minutes
Retell-managed PSTN telephony minutes; waived when using a SIP trunk / custom telephony.
concurrency_slots
Unit: slots
Purchased simultaneous-call capacity beyond the free base allotment.
knowledge_base_documents
Unit: documents
Documents / sources ingested into knowledge bases used for retrieval during calls.

Sources