# 12 Best Deepgram Voice Agent API Alternatives (2026)

> 12 verified Deepgram Voice Agent API alternatives in Voice AI, led by Vapi (from $0.05/min). Compared on real production cost and per-use-case verdicts.

Deepgram Voice Agent API is a single api that runs the whole voice-bot conversation loop - hearing the caller, thinking with an ai model, and speaking the reply - so developers don't have to wire together separate speech and ai services.. Teams that switch usually cite price at production volume, compliance requirements, deeper pipeline control, outbound campaign tooling, an out-of-the-box receptionist, ecommerce order handling. The alternatives below are ranked by published head-to-head verdicts, not sponsorship.

On our facts, Deepgram Voice Agent API is the 17th-cheapest per-minute rate of 23 - the kind of gap teams cite when they go looking.

## Where to switch, by reason

| Switching because of | See |
| --- | --- |
| price at production volume | [Replicant](https://www.versusref.com/voice-ai/best/agency/) |
| compliance requirements | [Pipecat](https://www.versusref.com/voice-ai/best/healthcare/) |
| deeper pipeline control | [LiveKit Agents](https://www.versusref.com/voice-ai/best/developer/) |
| outbound campaign tooling | [Cognigy (NiCE)](https://www.versusref.com/voice-ai/best/outbound/) |
| an out-of-the-box receptionist | [Telnyx Voice AI Agents](https://www.versusref.com/voice-ai/best/receptionist/) |
| ecommerce order handling | [Dentina](https://www.versusref.com/voice-ai/best/ecommerce/) |

## The Deepgram Voice Agent API alternatives, ranked

| # | Tool | Positioning | vs Deepgram Voice Agent API | Best if you need | Price | Rating |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | [Vapi](https://www.versusref.com/voice-ai/tools/vapi/) | Dev-first API platform, full pipeline control | vs Deepgram Voice Agent API: ~35% cheaper, adds native sip trunking. | no-code agency deploys, outbound sales campaigns, smb receptionist and booking | From $0.05/min |  |
| 2 | [Abby Connect](https://www.versusref.com/voice-ai/tools/abby-connect/) | Legacy virtual-receptionist provider (est. 2005) adding a lower-cost AI tier with built-in human backup; minute-bundle pricing on both lines. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | From $99/mo |  |
| 3 | [Air AI](https://www.versusref.com/voice-ai/tools/air-ai/) | AI sales calls | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 4 | [Alex (fka Apriora)](https://www.versusref.com/voice-ai/tools/alex/) | 'Interview everyone. Hire the best.' - autonomous AI interviewer (voice + video) for high-volume hiring, operated by Apriora Inc. dba Alex. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 5 | [Arini](https://www.versusref.com/voice-ai/tools/arini/) | The AI front desk for dental groups and DSOs - zero missed calls, 24/7. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 6 | [ASAPP](https://www.versusref.com/voice-ai/tools/asapp/) | Generative AI CX platform whose GenerativeAgent overlays existing CCaaS stacks to automate voice and messaging interactions. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 7 | [Assort Health](https://www.versusref.com/voice-ai/tools/assort-health/) | Specialty-specific AI agents for the full patient journey (access, intake, referrals, outreach). | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 8 | [Avoca](https://www.versusref.com/voice-ai/tools/avoca/) | AI workforce platform for the home-services trades (voice, chat, outbound, and call coaching). | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 9 | [Bland AI](https://www.versusref.com/voice-ai/tools/bland/) | Outbound-heavy, enterprise-leaning | vs Deepgram Voice Agent API: roughly double the per-minute price, adds native sip trunking. |  | From $0.14/min |  |
| 10 | [Bolna](https://www.versusref.com/voice-ai/tools/bolna/) | Open-source voice-agent orchestration with a hosted platform priced for Indian-language call volume. | vs Deepgram Voice Agent API: ~20% cheaper. |  | From $0.06/min |  |
| 11 | [Brooke.ai](https://www.versusref.com/voice-ai/tools/brooke-ai/) | OEM-channel digital voice assistant for fixed ops - a sub-brand of Proactive Dealer Solutions (Better Car People), sold through programs like Stellantis MarketCenter rather than as a standalone startup. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 12 | [Caseflood](https://www.versusref.com/voice-ai/tools/caseflood/) | 'The first human-assisted legal AI intake team designed to autonomously sign retainers for law firms' - long-form voice intake plus human-in-the-loop closing, YC-backed. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 13 | [Cognigy (NiCE)](https://www.versusref.com/voice-ai/tools/cognigy/) | Agentic AI platform for CX (Cognigy.AI + Voice Gateway); Forrester Wave 2026 Leader, sold standalone and inside NiCE CXone Mpower. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 14 | [ConverzAI](https://www.versusref.com/voice-ai/tools/converzai/) | 'World's Leading Automation for Staffing Firms' - agentic virtual recruiters covering the pipeline from sourcing to placement, staffing-agency (not corporate HR) focus. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 15 | [Cresta](https://www.versusref.com/voice-ai/tools/cresta/) | Generative AI platform unifying autonomous AI Agent, Agent Assist, and Conversation Intelligence for enterprise contact centers. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 16 | [Dasha](https://www.versusref.com/voice-ai/tools/dasha/) | Dev platform, conversational AI | vs Deepgram Voice Agent API: no bring-your-own llm. |  | From $0.08/min |  |
| 17 | [Decagon](https://www.versusref.com/voice-ai/tools/decagon/) | AI concierge platform - voice/chat/email agents driven by natural-language Agent Operating Procedures (AOPs). | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 18 | [Dentina](https://www.versusref.com/voice-ai/tools/dentina/) | The AI dental receptionist built by a dentist - 24/7 inbound/outbound calls with real-time PMS write-back. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | From $299/mo |  |
| 19 | [Dialzara](https://www.versusref.com/voice-ai/tools/dialzara/) | Lowest-entry-price SMB AI receptionist with minute-bundle pricing and SMS/chatbot/outbound add-ons | vs Deepgram Voice Agent API: ~540% pricier, no bring-your-own llm. |  | From $0.48/min |  |
| 20 | [Dograh](https://www.versusref.com/voice-ai/tools/dograh/) (OSS) | Self-hostable open-source voice agent platform ('OSS alternative to Vapi & Retell') with a no-code workflow builder and air-gapped on-prem deployment for regulated industries. |  |  | See pricing |  |
| 21 | [Domu](https://www.versusref.com/voice-ai/tools/domu/) | YC S24 collections-automation platform for financial institutions across the Americas - 'compliance is not a checkbox, it is the architecture'. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 22 | [echowin](https://www.versusref.com/voice-ai/tools/echowin/) | No-code AI phone/chat agent builder with pay-as-you-go pricing, 70+ languages, and agency white-label options | vs Deepgram Voice Agent API: ~165% pricier, no bring-your-own llm. |  | From $0.20/min |  |
| 23 | [ElevenLabs Agents](https://www.versusref.com/voice-ai/tools/elevenlabs-agents/) | Voice-quality leader, agents platform | vs Deepgram Voice Agent API: ~35% cheaper, no bring-your-own llm. |  | From $0.05/min |  |
| 24 | [EliseAI](https://www.versusref.com/voice-ai/tools/eliseai/) | Voice-capable agentic suite, not a voice-only agent: full housing-operations platform (leasing, resident services, CRM, payments) plus a HealthAI arm - voice is one channel of a much broader product. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 25 | [Google Gemini Live API](https://www.versusref.com/voice-ai/tools/gemini-live-api/) | Native-audio speech-to-speech model API (Gemini Live) with barge-in, affective dialog, and tool use over a stateful WebSocket. | vs Deepgram Voice Agent API: ~75% cheaper, no bring-your-own llm. |  | From $0.02/min |  |
| 26 | [Goodcall](https://www.versusref.com/voice-ai/tools/goodcall/) | Agentic voice AI for SMB service businesses; unusual per-unique-customer metering with unlimited minutes ('born at Google'). | vs Deepgram Voice Agent API: no bring-your-own llm. |  | From $79/mo |  |
| 27 | [Guava (formerly Gridspace)](https://www.versusref.com/voice-ai/tools/guava/) | Developer-first voice agent API 'for regulated industries', built on a decade of Gridspace voice AI in banks and hospitals. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 28 | [HappyRobot](https://www.versusref.com/voice-ai/tools/happyrobot/) | Enterprise 'AI operating system for the real economy': AI-worker platform that grew out of logistics voice agents, now spanning 8 verticals (logistics, utilities, airlines, finance, insurance, manufacturing, retail, telecom). | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 29 | [Hello Patient](https://www.versusref.com/voice-ai/tools/hello-patient/) | Conversational AI for healthcare's 'front door' - voice, SMS, and chat patient communication. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 30 | [Hume EVI](https://www.versusref.com/voice-ai/tools/hume-evi/) | Emotionally intelligent speech-to-speech API (Empathic Voice Interface, EVI 3 / EVI 4 mini) with voice cloning and supplemental-LLM support. |  |  | From $0.07/min |  |
| 31 | [Kore.ai](https://www.versusref.com/voice-ai/tools/kore-ai/) | Enterprise agentic AI platform (Artemis) with voice AI agents for contact-center self-service at Global 2000 scale. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 32 | [Level AI](https://www.versusref.com/voice-ai/tools/level-ai/) | LLM-native contact-center intelligence platform (QA/Agent Assist center of gravity) with an AI Virtual Agent for voice and chat automation. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 33 | [Liberate](https://www.versusref.com/voice-ai/tools/liberate/) | 'The Most Trusted AI in Insurance' - voice-first, insurance-native agents (pre-trained on insurance processes) spanning sales, service, and claims across voice, SMS, email, and digital channels. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 34 | [Lindy](https://www.versusref.com/voice-ai/tools/lindy/) | AI employees incl. phone agents |  |  | From $49.99/mo |  |
| 35 | [LiveKit Agents](https://www.versusref.com/voice-ai/tools/livekit-agents/) (OSS) | Realtime infra + agents (OSS + cloud) | vs Deepgram Voice Agent API: ~85% cheaper, adds native sip trunking. |  | From $0.01/min |  |
| 36 | [Loman AI](https://www.versusref.com/voice-ai/tools/loman/) | Restaurant voice AI with deep POS order-writing (Toast/Square/Clover/Olo etc.) - orders and payments, not just reservations and FAQs. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 37 | [Millis AI](https://www.versusref.com/voice-ai/tools/millis/) | Low-latency voice agents | vs Deepgram Voice Agent API: ~75% cheaper, adds native sip trunking. |  | From $0.02/min |  |
| 38 | [Frontdesk (My AI Front Desk)](https://www.versusref.com/voice-ai/tools/my-ai-front-desk/) | Multi-channel AI front desk (voice/SMS/chat/email/WhatsApp) with bundled CRM and a white-label reseller program, mid-rebrand from My AI Front Desk to Frontdesk | vs Deepgram Voice Agent API: ~235% pricier, no bring-your-own llm. |  | From $0.25/min |  |
| 39 | [Netic](https://www.versusref.com/voice-ai/tools/netic/) | Autonomous AI revenue engine for essential home services. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 40 | [Numa](https://www.versusref.com/voice-ai/tools/numa/) | AI operating system for the AI-native dealership - voice AI plus agentic follow-up (Heat Case, Opportunity, Service Advisor agents) for franchise dealers and multi-rooftop groups. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 41 | [Observe.AI](https://www.versusref.com/voice-ai/tools/observe-ai/) | Contact-center AI platform expanding from conversation intelligence into autonomous VoiceAI agents (inbound and outbound) with copilots for frontline teams. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 42 | [Omilia](https://www.versusref.com/voice-ai/tools/omilia/) | Conversational AI platform for contact-center voice/IVR automation, with native 'Lexis' voice synthesis and agentic voice/chat agents. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 43 | [OpenAI Realtime API](https://www.versusref.com/voice-ai/tools/openai-realtime-api/) | Frontier speech-to-speech model API (gpt-realtime family) for low-latency voice agents over WebRTC, WebSocket, and SIP. | vs Deepgram Voice Agent API: adds native sip trunking. |  | See pricing |  |
| 44 | [Parloa](https://www.versusref.com/voice-ai/tools/parloa/) | AI Agent Management Platform (AMP) for enterprise contact centers - design, test, scale, optimize agentic AI. |  |  | See pricing |  |
| 45 | [Patter](https://www.versusref.com/voice-ai/tools/patter/) (OSS) | MIT-licensed, self-host-only voice AI SDK (Python + TypeScript) abstracting 27+ providers across LLM/STT/TTS/carrier layers - a middle ground between hosted platforms (Vapi/Retell) and heavyweight frameworks. |  |  | See pricing |  |
| 46 | [Phonely](https://www.versusref.com/voice-ai/tools/phonely/) | SMB AI receptionist | vs Deepgram Voice Agent API: ~35% cheaper, adds native sip trunking. |  | From $0.05/min |  |
| 47 | [Pipecat](https://www.versusref.com/voice-ai/tools/pipecat/) (OSS) | Open-source Python framework for real-time voice and multimodal conversational agents, maintained by Daily, with Pipecat Cloud as the managed production runtime. | vs Deepgram Voice Agent API: ~85% cheaper, adds native sip trunking. |  | From $0.01/min |  |
| 48 | [Play.ai (PlayHT)](https://www.versusref.com/voice-ai/tools/play-ai/) | Voice agents + TTS heritage | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 49 | [PolyAI](https://www.versusref.com/voice-ai/tools/polyai/) | Enterprise voice assistants | vs Deepgram Voice Agent API: adds native sip trunking. |  | See pricing |  |
| 50 | [Rapida](https://www.versusref.com/voice-ai/tools/rapida/) (OSS) | Open-source (GPL-2.0 + branding terms) voice AI orchestration platform in Go/gRPC, aimed at agencies, CPaaS/CCaaS providers, and enterprises wanting white-label, multi-tenant voice operations with provider-level cost passthrough. | vs Deepgram Voice Agent API: ~90% cheaper, adds native sip trunking. |  | From $0.01/min |  |
| 51 | [Regal](https://www.versusref.com/voice-ai/tools/regal/) | Contact-center AI (enterprise) | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 52 | [Replicant](https://www.versusref.com/voice-ai/tools/replicant/) | Voice-native contact-center automation with deterministic reasoning for business rules and 1B+ minutes of production conversation data. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 53 | [Retell AI](https://www.versusref.com/voice-ai/tools/retell/) | API plus no-code, production telephony fast | vs Deepgram Voice Agent API: adds native sip trunking. |  | From $0.07/min |  |
| 54 | [Ringly.io](https://www.versusref.com/voice-ai/tools/ringly/) | Ecommerce phone agents | vs Deepgram Voice Agent API: ~285% pricier, adds native sip trunking. |  | From $0.29/min |  |
| 55 | [Rosie](https://www.versusref.com/voice-ai/tools/rosie/) | Self-serve SMB AI answering service with bundled-minute pricing and bilingual EN/ES on every plan. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | From $49/mo |  |
| 56 | [Salient](https://www.versusref.com/voice-ai/tools/salient/) | Compliance-first AI loan-servicing platform ('Taylor' voice agent plus audit/claims/chargeback agents) for technology-first consumer lenders - voice-as-a-wedge into the full servicing lifecycle. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 57 | [Sameday](https://www.versusref.com/voice-ai/tools/sameday/) | Trades-focused AI sales agent - sells and books jobs (claims 92%+ booking rate, voice cloning of your staff) rather than just taking messages. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | From $449/mo |  |
| 58 | [Sierra](https://www.versusref.com/voice-ai/tools/sierra/) | Outcome-priced conversational AI agent platform from Bret Taylor and Clay Bavor; voice product replaces IVR with an empathetic agent. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 59 | [Simple Phones](https://www.versusref.com/voice-ai/tools/simple-phones/) | Done-for-you AI phone agent for small businesses on flat per-call-bundle pricing | vs Deepgram Voice Agent API: no bring-your-own llm. |  | From $97/mo |  |
| 60 | [Sindarin](https://www.versusref.com/voice-ai/tools/sindarin/) | Persona-driven voice agents | vs Deepgram Voice Agent API: no bring-your-own llm. |  | From $99/mo |  |
| 61 | [Slang AI](https://www.versusref.com/voice-ai/tools/slang-ai/) | Hospitality-native voice AI ('Superhost') priced per location - reservation-system depth and guest recognition rather than generic receptionist features. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | From $399/mo |  |
| 62 | [Smith.ai](https://www.versusref.com/voice-ai/tools/smith-ai/) | Human+AI hybrid receptionist platform with per-call bundle pricing; 500+ live agent network, law-firm-heavy customer base. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | From $150/mo |  |
| 63 | [STELLA Automotive AI](https://www.versusref.com/voice-ai/tools/stella-automotive/) | Dealership-focused conversational AI platform with certified DMS integrations (CDK, Reynolds, Tekion) and dealer/industry investors incl. Reynolds & Reynolds board representation. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 64 | [Synthflow](https://www.versusref.com/voice-ai/tools/synthflow/) | No-code, agency white-label king | vs Deepgram Voice Agent API: adds native sip trunking. |  | From $2,500/mo |  |
| 65 | [Telnyx Voice AI Agents](https://www.versusref.com/voice-ai/tools/telnyx-voice-ai/) | Carrier-native voice AI: telephony, GPUs, STT/TTS and orchestration vertically integrated at the network edge. | vs Deepgram Voice Agent API: ~35% cheaper, adds native sip trunking. |  | From $0.05/min |  |
| 66 | [TEN Framework](https://www.versusref.com/voice-ai/tools/ten-framework/) (OSS) | Open-source real-time multimodal conversational AI framework (voice + video + avatar) with its own VAD and full-duplex turn-detection models, backed by Agora. | vs Deepgram Voice Agent API: adds native sip trunking. |  | See pricing |  |
| 67 | [Thoughtly](https://www.versusref.com/voice-ai/tools/thoughtly/) | No-code AI contact center | vs Deepgram Voice Agent API: adds native sip trunking. |  | From $500/mo |  |
| 68 | [Toma](https://www.versusref.com/voice-ai/tools/toma/) | "AI Coworkers for the Automotive Enterprise" - dealership call automation with production safeguards, YC/a16z-backed. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | See pricing |  |
| 69 | [Twilio ConversationRelay](https://www.versusref.com/voice-ai/tools/twilio-conversationrelay/) | Carrier-grade voice harness for BYO-LLM agents inside Twilio Programmable Voice. | vs Deepgram Voice Agent API: adds native sip trunking. |  | From $0.07/min |  |
| 70 | [Ultravox](https://www.versusref.com/voice-ai/tools/ultravox/) | Realtime speech model + platform | vs Deepgram Voice Agent API: ~35% cheaper, adds native sip trunking. |  | From $0.05/min |  |
| 71 | [Upfirst](https://www.versusref.com/voice-ai/tools/upfirst/) | Per-call-bundle AI receptionist with 35+ languages and declining overage rates up to 600 calls/mo | vs Deepgram Voice Agent API: no bring-your-own llm. |  | From $24.95/mo |  |
| 72 | [Vision Agents](https://www.versusref.com/voice-ai/tools/vision-agents/) (OSS) | Open-source multimodal (video-first) AI agent framework by Stream, combining realtime LLMs with vision models on Stream's low-latency edge network. |  |  | See pricing |  |
| 73 | [Vocode](https://www.versusref.com/voice-ai/tools/vocode/) (OSS) | Open-source framework | vs Deepgram Voice Agent API: adds native sip trunking. |  | See pricing |  |
| 74 | [Voiceflow](https://www.versusref.com/voice-ai/tools/voiceflow/) | Agent builder (chat + voice) | vs Deepgram Voice Agent API: ~35% cheaper. |  | From $0.05/min |  |
| 75 | [Zoom Virtual Agent Receptionist](https://www.versusref.com/voice-ai/tools/zoom-virtual-agent-receptionist/) | Big-tech price anchor for the receptionist segment: standalone AI receptionist at $29.99/mo (100 min), launched 2026-07-09; also bundled free with Zoom Phone. | vs Deepgram Voice Agent API: no bring-your-own llm. |  | From $29.99/mo |  |

## How the top Deepgram Voice Agent API alternatives compare

A closer look at the top 6: each Deepgram Voice Agent API alternative's standing among Voice AI peers, its verdict record against Deepgram Voice Agent API, and the trade-offs of leaving.

### 1. Vapi

Among the 23 voice ai tools we track, Vapi has the 7th-cheapest per-minute rate - a fit for cost-sensitive, high-volume work.
In our published verdicts, Vapi beats Deepgram Voice Agent API for no-code agency deploys, outbound sales campaigns and smb receptionist and booking and matches it for custom pipeline control and healthcare compliance.
The reverse angle matters too - Deepgram Voice Agent API vs Vapi: ~50% pricier, no native sip trunking.
Published pricing starts at $0.05 per minute, verified July 2026.

**Why teams switch (No-code agency deploys):** For no-code agency deploys and white-label resale, the two most critical factors are a no-code agent builder and white-label sub-account support. Vapi offers a confirmed no-code agent builder and partial white-label capability for agencies, while Deepgram Voice Agent API publishes no such features. On production cost, Vapi's real range is $0.05-$0.17/min with LLM and TTS passed through at cost, giving agencies direct margin control. Deepgram's all-in rate is $0.075/min with no passthrough, meaning underlying model costs are bundled rather than transparent, which makes resale margin calculation harder. Vapi also carries a $0/mo platform fee, native outbound campaigns, and a rich native integration list including GHL, Zapier, Make, and Google Calendar. Deepgram is a strong API-first infrastructure play but is simply not positioned for no-code agency resale. [No-code agency deploys verdict](https://www.versusref.com/voice-ai/deepgram-voice-agent-api-vs-vapi/)

**Overall verdict:** Vapi wins three of five use cases outright, with no wins for Deepgram Voice Agent API. For no-code agency deploys, Vapi's built-in no-code builder, white-label support, and native integrations with GHL, Zapier, Make, and Slack give agencies a ready platform Deepgram simply lacks. For outbound sales and SMB receptionist work, Vapi's $0.05/min base rate undercuts Deepgram's $0.075/min, and features like warm transfer, DTMF/IVR, a built-in knowledge base, and number provisioning reduce integration effort. The $50M Series B also signals deployment confidence. Deepgram's self-host option and $200 signup credit are notable, but neither swings a use-case win.

Vapi cost: ≈ $0.11 per minute all-in (est.), verified Jul 15, 2026.

| Monthly volume | All-in monthly bill |
| --- | --- |
| 1K min/mo | $110 |
| 10K min/mo | $1,100 |
| 100K min/mo | $11,000 |
[Full Vapi vs Deepgram Voice Agent API comparison](https://www.versusref.com/voice-ai/deepgram-voice-agent-api-vs-vapi/) · [Vapi review](https://www.versusref.com/voice-ai/tools/vapi/)

### 2. Abby Connect

Among the 31 voice ai tools we track, Abby Connect has the 28th-widest language coverage.
The reverse angle matters too - Deepgram Voice Agent API vs Abby Connect: adds bring-your-own llm.
[Abby Connect review](https://www.versusref.com/voice-ai/tools/abby-connect/)

### 3. Air AI

Before switching, weigh what stays behind - Deepgram Voice Agent API vs Air AI: adds bring-your-own llm.
[Air AI review](https://www.versusref.com/voice-ai/tools/air-ai/)

### 4. Alex (fka Apriora)

Among the 31 voice ai tools we track, Alex (fka Apriora) has the 16th-widest language coverage.
Seen from the other side, Deepgram Voice Agent API vs Alex (fka Apriora): adds bring-your-own llm.
[Alex (fka Apriora) review](https://www.versusref.com/voice-ai/tools/alex/)

### 5. Arini

Among the 17 voice ai tools we track, Arini has the 6th-lowest latency - a fit for real-time, conversational apps.
Before switching, weigh what stays behind - Deepgram Voice Agent API vs Arini: adds bring-your-own llm.
[Arini review](https://www.versusref.com/voice-ai/tools/arini/)

### 6. ASAPP

Seen from the other side, Deepgram Voice Agent API vs ASAPP: adds bring-your-own llm.
[ASAPP review](https://www.versusref.com/voice-ai/tools/asapp/)

Source: https://www.versusref.com/voice-ai/alternatives/deepgram-voice-agent-api/