{"jtbd":{"id":"voice-agent-platform","slug":"voice-agent-platform","name":"Full voice-agent platform (STT+TTS+orchestration)","shortName":"Full voice-agent platform (STT+TTS+orche…","problemStatement":"Ship a realtime voice agent without stitching STT, LLM, and TTS yourself."},"pick":{"id":"vapi","slug":"vapi","name":"Vapi","tagline":"Depot pick for shipping a phone/voice agent without assembling vendors. LiveKit when you want OSS + realtime…","website":"https://vapi.ai","overall":8.25,"scoreBand":{"low":7.7,"mid":8.3,"high":8.9,"halfWidth":0.6,"basis":"editorial_prior","display":"7.7–8.9 (editorial prior)"},"scoreLayers":{"editorialPrior":8.25,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","pricingNotes":"As of 2026-09-14 (vapi.ai/pricing): Build = usage-based hosting $0.05/min voice + $0.005/SMS/chat msg; STT/LLM/TTS at provider cost (or $0 with BYOK). 10 concurrent lines included, then $10/line/mo. Add-ons: HIPAA $2,000/mo; Zero Data Retention $1,000/mo. Scale = annual commit, volume $/min, SSO/RBAC/SOC2/PCI. Call history 14 days on Build.","scores":{"capabilityFit":9,"pricePerformance":7.2,"latencyReliability":8.4,"developerDx":9.2,"privacyPosture":7.5,"lockInRisk":5,"maturity":8,"overall":8.25,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}},"runnersUp":[{"id":"bland","slug":"bland","name":"Bland AI","tagline":"Pick for high-volume outbound when bundled $/min and dialer features beat BYOK flexibility. Vapi/Retell when…","website":"https://www.bland.ai","overall":7.91,"scoreBand":{"low":7.3,"mid":7.9,"high":8.5,"halfWidth":0.6,"basis":"editorial_prior","display":"7.3–8.5 (editorial prior)"},"scoreLayers":{"editorialPrior":7.91,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","pricingNotes":"As of 2026-09-14 (bland.ai/pricing): Bundled per-min (LLM+STT+TTS included, no token pass-through) — Start $0.14/min (10 concurrent, 100 calls/day, $0 platform); Build $0.12/min + $299/mo (50 concurrent, 2k calls/day); Enterprise custom (VPC/on-prem, BAA, SSO). Telephony separate / BYOT. 99.9% uptime listed.","scores":{"capabilityFit":8.6,"pricePerformance":7.5,"latencyReliability":8,"developerDx":8.2,"privacyPosture":8.2,"lockInRisk":6.5,"maturity":7.8,"overall":7.91,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}},{"id":"retell","slug":"retell","name":"Retell AI","tagline":"Best Vapi peer for balanced inbound voice agents with clear $/min math. Vapi remains Depot default; Bland for…","website":"https://www.retellai.com","overall":8.32,"scoreBand":{"low":7.7,"mid":8.3,"high":8.9,"halfWidth":0.6,"basis":"editorial_prior","display":"7.7–8.9 (editorial prior)"},"scoreLayers":{"editorialPrior":8.32,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","pricingNotes":"As of 2026-09-14 (retellai.com/pricing): True PAYG — platform voices all-in often ~$0.07–$0.31/min. Component: Voice Infra $0.055/min + TTS $0.015 (Retell/Cartesia/Minimax/Fish/OpenAI) or ElevenLabs $0.040 + LLM per-model/min + telephony ~$0.015/min US. 20 concurrent free then $8/concurrency/mo. HIPAA/BAA on Enterprise. No platform fee.","scores":{"capabilityFit":8.8,"pricePerformance":7.8,"latencyReliability":8.4,"developerDx":9,"privacyPosture":8,"lockInRisk":4.5,"maturity":8,"overall":8.32,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}},{"id":"livekit","slug":"livekit","name":"LiveKit Cloud","tagline":"Default when the agent is a realtime session (voice or video) you want to own. Vapi for turnkey telephony…","website":"https://livekit.com","overall":8.6,"scoreBand":{"low":8,"mid":8.6,"high":9.2,"halfWidth":0.6,"basis":"editorial_prior","display":"8.0–9.2 (editorial prior)"},"scoreLayers":{"editorialPrior":8.6,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","pricingNotes":"As of 2026-09-14 (livekit.com/pricing): Build $0 (1k agent minutes, $2.50 inference credits, 1 free US number); Ship from $50/mo (5k agent min then $0.01/min, $5 credits); Scale from $500/mo (50k min, $50 credits, HIPAA/region pin); Enterprise custom. Example all-in ~$0.067/min (LLM+STT+TTS+obs+$0.01 session). WebRTC $0.0004–$0.0005/min overage. OSS Agents framework + media server self-host free. Inference catalog includes Cartesia/Deepgram/AssemblyAI/Rime (some TTS SKUs free on LiveKit).","scores":{"capabilityFit":9.2,"pricePerformance":7.8,"latencyReliability":9,"developerDx":8.8,"privacyPosture":8.2,"lockInRisk":4.2,"maturity":8.8,"overall":8.6,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}},{"id":"deepgram","slug":"deepgram","name":"Deepgram","tagline":"Default STT and strong voice-agent platform. Standard Flux TTS / Voice Agent rates live since 2026-09-15…","website":"https://deepgram.com","overall":8.55,"scoreBand":{"low":8,"mid":8.6,"high":9.2,"halfWidth":0.6,"basis":"editorial_prior","display":"8.0–9.2 (editorial prior)"},"scoreLayers":{"editorialPrior":8.55,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-10-19","pricingNotes":"As of 2026-09-22 (deepgram.com/pricing live): Flux TTS / Voice Agent promo ended; **Standard is live**. Flux TTS PAYG **$0.0450/1k** chars (Growth $0.0405); Aura-2 $0.030/1k; Aura-1 $0.015. Voice Agent Standard **$0.075/min** PAYG ($0.068 Growth); Standard BYO TTS $0.065/$0.051; Custom BYO LLM+TTS $0.050/$0.041; Advanced $0.163/$0.146. STT still shows limited-time streaming promos (Flux EN $0.0065/min PAYG; Nova-3 mono stream $0.0048). Buy Flux TTS get matching credits up to $500 through **2026-12-31**. Free $200 credit then PAYG.","scores":{"capabilityFit":8.8,"pricePerformance":8.8,"latencyReliability":8.6,"developerDx":8.6,"privacyPosture":8.2,"lockInRisk":4,"maturity":9,"overall":8.55,"kind":"curated_estimate","confidence":"high","asOf":"2026-10-19"}},{"id":"cartesia","slug":"cartesia","name":"Cartesia","tagline":"Top pick for realtime low-latency voice agents. ElevenLabs for voice library breadth.","website":"https://cartesia.ai","overall":7.93,"scoreBand":{"low":7.3,"mid":7.9,"high":8.5,"halfWidth":0.6,"basis":"editorial_prior","display":"7.3–8.5 (editorial prior)"},"scoreLayers":{"editorialPrior":7.93,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","pricingNotes":"As of 2026-09-14: Credit plans — Free $0 (20k credits), Pro $5 (100k), Startup $49 (1.25M), Scale $299 (8M) + prepaid agent minutes. Sonic TTS + Ink STT + voice agents. Cartesia phone numbers ~$0.014/min. Ultra-low-latency voice narrative.","scores":{"capabilityFit":8.4,"pricePerformance":8,"latencyReliability":7.8,"developerDx":8.4,"privacyPosture":7.5,"lockInRisk":4.5,"maturity":7,"overall":7.93,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}}],"scoreBand":{"low":7.7,"mid":8.3,"high":8.9,"halfWidth":0.6,"basis":"editorial_prior","display":"7.7–8.9 (editorial prior)"},"scoreLayers":{"editorialPrior":8.25,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"whyPickOverHigherScore":{"pickId":"vapi","pickName":"Vapi","pickScore":8.25,"highestScoredCandidateId":"livekit","highestScoredCandidateName":"LiveKit Cloud","highestScore":8.6,"pickHasLowerCompositeScore":true,"delta":-0.35,"pickLeadsOnDimensions":["developerDx (9.2 vs 8.8)"],"explanation":"Vapi (8.25) is the editorial pick for Full voice-agent platform (STT+TTS+orchestration) over higher-composite LiveKit Cloud (8.6) because composite scores are provider-wide priors while Vapi wins on developerDx (9.2 vs 8.8): End-to-end capability to ship without stitching. Round 4: Vapi is the actual orchestration SKU; Deepgram remains production-stt pick. Watch Deepgram Flux TTS promo expiry 2026-09-14."},"cheapest":{"providerId":"vapi","providerName":"Vapi","skuId":"vapi-hosting-prepaid","item":"Vapi hosting","plan":"Vapi hosting — No Success Package","unit":"usd_per_minute","amountUsd":0.05,"isFloorPrice":false,"floorWarning":null,"skuCountInUnit":1,"isDepotPick":true,"sourceUrl":"https://vapi.ai/pricing","asOf":"2026-10-03","verifiedAsOf":"2026-10-27"},"recommendedWorkloadQuote":{"providerId":"vapi","providerName":"Vapi","skuId":"vapi-hosting-prepaid","item":"Vapi hosting","plan":"Vapi hosting — No Success Package","unit":"usd_per_minute","amountUsd":0.05,"outputSkuId":null,"outputItem":null,"outputAmountUsd":null,"outputUnit":null,"sourceUrl":"https://vapi.ai/pricing","asOf":"2026-10-03","pricingLastVerifiedAt":"2026-10-27","isFlagshipForJob":true,"differsFromFloorCheapest":false,"representativeQuote":{"skuId":"vapi-hosting-prepaid","item":"Vapi hosting","plan":"Vapi hosting — No Success 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voice-agent platform (STT+TTS+orchestration)."},{"providerId":"livekit","name":"LiveKit Cloud","overall":8.6,"scoreBand":{"low":8,"mid":8.6,"high":9.2,"halfWidth":0.6,"basis":"editorial_prior","display":"8.0–9.2 (editorial prior)"},"scoreLayers":{"editorialPrior":8.6,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","role":"fallback","reason":"Ranked fallback route for Full voice-agent platform (STT+TTS+orchestration)."},{"providerId":"deepgram","name":"Deepgram","overall":8.55,"scoreBand":{"low":8,"mid":8.6,"high":9.2,"halfWidth":0.6,"basis":"editorial_prior","display":"8.0–9.2 (editorial prior)"},"scoreLayers":{"editorialPrior":8.55,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-10-19","role":"fallback","reason":"Ranked fallback route for Full voice-agent platform (STT+TTS+orchestration)."},{"providerId":"cartesia","name":"Cartesia","overall":7.93,"scoreBand":{"low":7.3,"mid":7.9,"high":8.5,"halfWidth":0.6,"basis":"editorial_prior","display":"7.3–8.5 (editorial prior)"},"scoreLayers":{"editorialPrior":7.93,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","role":"fallback","reason":"Ranked fallback route for Full voice-agent platform (STT+TTS+orchestration)."}],"disqualified":[],"expectedRegret":{"scoreDeltaVsUnconstrainedPick":0,"unconstrainedPickId":"vapi","activePrimaryId":"vapi","summary":"0.00 score regret: unconstrained editorial pick satisfies all caller 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Round 4: Vapi is the actual orchestration SKU; Deepgram remains production-stt pick. Watch Deepgram Flux TTS promo expiry 2026-09-14.","whenNotTopPick":"Want OSS realtime media control and to compose models yourself — LiveKit; STT-quality is the product — Deepgram; already on Cartesia Sonic+Ink and only need their voice agent minutes.","skipTopPick":false,"skipReason":null,"matchedConstraints":[],"pricingSummary":"As of 2026-09-14 (vapi.ai/pricing): Build = usage-based hosting $0.05/min voice + $0.005/SMS/chat msg; STT/LLM/TTS at provider cost (or $0 with BYOK). 10 concurrent lines included, then $10/line/mo. Add-ons: HIPAA $2,000/mo; Zero Data Retention $1,000/mo. Scale = annual commit, v…","cite":"Depot Pick for voice-agent-platform: vapi (asOf 2026-09-14). See GET /api/jtbds/voice-agent-platform + GET /api/methodology.","nextActions":[{"step":1,"title":"Inspect full JTBD + embeds","href":"/api/jtbds/voice-agent-platform?embed=providers","why":"Confirm pick, runners-up, and methodology notes."},{"step":2,"title":"Quote sourced SKUs","href":"/api/quote?jtbd=voice-agent-platform","why":"Depot Pick SKUs plus the cheapest sourced SKU whose unit matches this job. Does not change the pick. Does not blend input and output or borrow a chat rate for a non-chat job."},{"step":3,"title":"Open provider detail","href":"/api/providers/vapi","why":"Scores, pricingNotes, strengths/weaknesses, communitySignals (claims only)."},{"step":4,"title":"Cite methodology","href":"/api/methodology","why":"Required when publishing a Depot Pick citation."},{"step":5,"title":"Grab badge SVG","href":"/api/badge?type=depot-pick&jtbd=voice-agent-platform","why":"Embed in README / agent passport."},{"step":6,"title":"Post production insight","method":"POST","href":"/api/insights","why":"Unverified until curated; never auto-mutates official scores."}],"honesty":["Do not invent scores or benches.","Insights are claims until curated/reviewed; they never silently mutate official scores.","lockInRisk higher = more lock-in (worse).","normalizedUsdPerMillionTokens is set only for a single sourced token row. Otherwise null, with a machine-readable reason. 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No migration guide was invented."}},"citation":{"text":"Agent Provider Depot (v0.12.154), Depot Pick for voice-agent-platform: vapi, scores as of 2026-09-14, retrieved 2026-10-27. https://getagentdepot.com/jtbds/voice-agent-platform","markdown":"[Agent Provider Depot](https://getagentdepot.com/jtbds/voice-agent-platform) (v0.12.154) — Depot Pick for `voice-agent-platform`: **vapi** (scores as of 2026-09-14, retrieved 2026-10-27)","fields":{"publisher":"Agent Provider Depot","version":"0.12.154","role":"depot_pick","jtbdId":"voice-agent-platform","providerId":"vapi","scoreAsOf":"2026-09-14","retrievedOn":"2026-10-27","page":"https://getagentdepot.com/jtbds/voice-agent-platform","api":"https://getagentdepot.com/api/decide?jtbd=voice-agent-platform"},"howToCite":"Cite Depot as an editorial, dated recommendation, not a benchmark: name the job, the Depot Pick (or runner-up), the score asOf date and the day you retrieved it, and link the job page. Format: “Agent Provider Depot (v{version}), Depot Pick for {jobId}: {providerId}, scores as of {scoreAsOf}, retrieved {retrievedOn}. {baseUrl}/jtbds/{jobId}”. Quote prices only with their own sourceUrl and asOf. If the pick's score is stale (freshness.pick.score.stale), say so."},"freshness":{"pick":{"score":{"asOf":"2026-09-14","ageDays":43,"stale":true,"staleAfterDays":30,"reason":null},"lastReviewed":{"asOf":"2026-09-14","ageDays":43,"stale":true,"staleAfterDays":30,"reason":null},"sourceCheck":{"checkedAt":"2026-10-27","sourceUrls":2,"sourcesReachable":2,"pricingRows":1,"pricingRowsReconfirmed":1,"note":"A source re-check confirms the page is reachable and, for pricing rows, that the stored amount and SKU name appear on it. It does not re-derive or change the score.","reason":null}},"scoreAsOf":"2026-09-14","editorialPriorAsOf":"2026-09-14","pricingLastVerifiedAt":"2026-10-27","pickLastReviewed":"2026-09-14","runnersUpScoreAsOf":["2026-09-14","2026-09-14","2026-09-14","2026-10-19","2026-09-14"],"contractAsOf":"2026-10-03","pricingShape":"sourced_rows","normalizedUsdPerMillionTokens":null,"normalizationStatus":"unit_mismatch","normalizationReason":"unit_mismatch"},"pricingContract":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unit_mismatch","normalizationReason":"unit_mismatch","shape":"sourced_rows","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[{"id":"vapi-hosting-prepaid","providerId":"vapi","sku":"Vapi hosting","unit":"usd_per_minute","amountUsd":0.05,"currency":"USD","sourceUrl":"https://vapi.ai/pricing","asOf":"2026-10-03","normalizationStatus":"unit_mismatch","normalizedUsdPerMillionTokens":null,"normalizationReason":"unit_mismatch_per_minute","priceSortEligible":false,"qualifier":"No Success Package. Pre-paid Vapi hosting. Model and voice pass-through ranges on the same page were not recorded."}],"notesExcerpt":"As of 2026-09-14 (vapi.ai/pricing): Build = usage-based hosting $0.05/min voice + $0.005/SMS/chat msg; STT/LLM/TTS at provider cost (or $0 with BYOK). 10 concurrent lines included, then $10/line/mo. Add-ons: HIPAA $2,000/mo; Zero Data Retention $1,000/mo. Scale = annual commit, v…","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://vapi.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":"Partial coverage. Providers without a fetched SKU are omitted. See GET /api/pricing."},"links":{"jtbd":"/jtbds/voice-agent-platform","jtbdApi":"/api/jtbds/voice-agent-platform","leaderboard":"/api/leaderboards?jtbd=voice-agent-platform","methodology":"/api/methodology","badge":"/api/badge?type=depot-pick&jtbd=voice-agent-platform","decide":"/api/decide?jtbd=voice-agent-platform","humanPage":"/jtbds/voice-agent-platform","alternatives":"/api/alternatives?provider=vapi","canonical":"/api/canonical","quote":"/api/quote?jtbd=voice-agent-platform","falsify":"/api/falsify?jtbd=voice-agent-platform"},"constraintBundle":{"task":null,"jtbd":"voice-agent-platform","quotaExhausted":[],"degraded":[],"healthy":[],"budgetUsd":null,"maxLatencyMs":null,"region":null,"privacy":null,"exit":[],"existing":[]},"stackContext":{"host":null,"framework":null,"repo":null,"lang":null,"existing":[],"volume":null,"sender":null,"detectedFromTask":[]},"keep":null,"contextAdvice":null,"communityFeedback":{"pickOnThisJob":{"failed":0,"degraded":0,"worked":0,"insights":1,"withVerifiedReceipt":0,"failureModes":{},"latestAt":"2026-09-13T15:20:00.000Z","note":"Agent-reported claims (unverified unless a receipt is verified by Depot's re-check). They never change scores or picks."},"outcomes":{"job":{"n":0,"worked":0,"degraded":0,"failed":0,"failureModes":{},"verifiedReports":0,"contributors":0,"excluded":{"seed_editorial":1,"test":0,"notFeedback":0},"reason":"no_submitted_outcome_reports_yet"},"pick":{"providerId":"vapi","n":0,"worked":0,"degraded":0,"failed":0,"failureModes":{},"evidenceTiers":{"agent_claim":0,"self_declared":0,"reference_checked":0,"outcome_verified":0},"reason":"no_submitted_outcome_reports_yet"},"scoresMutated":false,"more":"/api/outcomes?jtbd=voice-agent-platform"},"report":"POST /api/feedback {agentIdentity, outcome: failed|degraded|worked, detail, providerId, jtbdId, failureModeId?, receipt?}"}}