No-code-friendly platform for building AI phone agents that handle customer service and sales calls, with drag-and-drop configuration.
retellai.com
Alternatives to
Vapi
Best alternatives to Vapi in 2026
Building a voice agent that can actually answer a phone call means connecting several separate pieces — something to turn speech into text, something to decide what to say back, something to turn that back into speech, and a phone system to carry the call — and making sure the whole chain responds fast enough that the caller doesn't notice any lag. Vapi packages that entire chain into one developer platform, so building a voice agent looks more like configuring a service than assembling five different vendors. Vapi lets developers configure and deploy voice AI agents that combine speech-to-text, an LLM, text-to-speech and PSTN (regular phone network) telephony integration, with infrastructure aimed at sub-500ms response latency. It includes real-time call monitoring and analytics, AI guardrails to reduce hallucinated responses during a live call, and compliance certifications (SOC 2, HIPAA, PCI) for regulated use cases. Pricing on the Build tier is usage-based — around $0.05/minute for hosting plus $10 per concurrent line per month — with underlying model provider costs (for STT, the LLM, and TTS) either passed through or waived if you bring your own API keys; a Scale tier with annual contracts and negotiated per-minute rates is available for higher-volume enterprise customers.
Quick comparison of Vapi alternatives
| # | Tool | Best for | Price |
|---|---|---|---|
| 1 | Support and sales teams in healthcare, financial services, insurance, logistics, retail and hospitality | — | |
| 2 | Therapists, psychologists, and small mental-health practices looking to cut down on session documentation time. | — | |
| 3 | Developers building AI agents, assistants, or multi-tool workflows that need memory to persist and be shared across platforms. | — | |
| 4 | Developers and small-to-mid-size businesses seeking managed AI agent deployment without infrastructure management | — | |
| 5 | Enterprise and mid-market support teams using Freshdesk, Zendesk, Salesforce, or HubSpot; SaaS companies and e-commerce platforms managing high ticket volumes | — | |
| 6 | Développeurs et équipes utilisant des agents de codage IA ayant besoin de contexte factuel sur leur base de code | — | |
| 7 | Développeurs et utilisateurs individuels voulant un assistant IA local, sous leur contrôle total | — | |
| 8 | Chercheurs et ingénieurs en machine learning ayant besoin d'interpréter le comportement interne de leurs modèles | — | |
| 9 | Chercheurs biomédicaux, cliniciens et praticiens de la synthèse de preuves | — | |
| 10 | Équipes coordonnant plusieurs agents IA sur différents outils de collaboration | — | |
| 11 | Chercheurs et utilisateurs souhaitant comparer plusieurs modèles IA ou explorer des idées en branches | — | |
| 12 | Équipes construisant des systèmes multi-agents IA nécessitant traçabilité et persistance | — |
#1
- ✓ Drag-and-drop configuration, accessible to non-engineers
- ✓ ~600ms latency target for natural conversation
#2
An AI assistant for therapists that listens to a session (in person or on a video call), transcribes it, and writes the clinical note afterward so the therapist doesn't have to.
kith.space
- ✓ Ambient transcription frees the therapist to focus on the client
- ✓ Automated SOAP notes cut post-session admin time
#3
A shared memory service for AI assistants and agents — it remembers facts and context from your conversations across tools like Claude, ChatGPT, and Cursor, instead of each tool starting from zero every time.
itsuki.app
- ✓ Shares memory across many AI tools instead of siloing it per-app
- ✓ Structured, source-linked memories with real audit trail
#4
Managed hosting for persistent AI agent bots — isolated runtime, memory, missions, and integrations (GitHub, Slack, Sentry, MCP) so you can hire an AI worker instead of running your own agent infrastructure.
deploy-hermes.com
- ✓ No server or infrastructure setup required to run persistent AI agents
- ✓ Workspace-level approval and credential controls limit blast radius of autonomous actions
#5
AI agent that resolves support tickets automatically on top of Zendesk, Freshdesk, Salesforce or HubSpot, building its own knowledge base and escalating tricky cases to humans, billed per resolution instead of per seat.
useify.ai
- ✓ Layers on top of Zendesk, Freshdesk, Salesforce or HubSpot without forcing a helpdesk migration
- ✓ Per-resolution pricing avoids paying for idle seats or unused agent licenses
#6
A knowledge-graph memory layer that gives AI coding agents persistent, factual context about your codebase, tickets, and docs — without another hosted service.
oynix.dev
- ✓ Real knowledge graph of ownership and dependencies, not just vector search
- ✓ Self-hosted, data in your own database — no mandatory hosted service
#7
A local-first AI assistant that runs entirely on your machine, remembers context across apps and devices, and only acts with your explicit approval.
github.com
- ✓ Runs entirely on your own machine — no data sent to a third party by default
- ✓ Multi-layer memory (working context, episodic, semantic graph, execution history)
#8
A local-first debugging tool that visualizes what's happening inside an AI model — attention, features, and agent steps — without cloud infrastructure.
github.com
- ✓ Covers language models, VLMs, and robot policies in one tool
- ✓ Attention visualization, SAE feature exploration, and agent-step tracing combined
#9
An open-source agentic RAG system that searches 12 biomedical databases and produces a source-cited synthesis of the evidence.
github.com
- ✓ Searches 12 biomedical databases plus citation networks
- ✓ Citation verification step specifically prevents hallucinated references
#10
An open-source, self-hostable platform for coordinating multiple AI agents across Slack, Discord, GitHub, and other tools in shared conversations.
github.com
- ✓ Coordinates multiple AI agents across Slack, Discord, GitHub, GitLab, Telegram, Lark
- ✓ Provider-agnostic — works with Claude, OpenAI, Grok, DeepSeek, and more
#11
A branching, canvas-based chat interface for comparing responses across Claude, GPT, Gemini, and other LLMs.
llmcanvas.chat
- ✓ Branching canvas avoids losing context in long threads
- ✓ Side-by-side comparison across Claude, GPT, Gemini, OpenRouter models
#12
A local runtime that turns ad-hoc AI subagent delegation into durable, checkpointed, supervised workflows.
github.com
- ✓ Persistent, checkpointed state survives interruptions
- ✓ Provider-neutral — not locked to one AI vendor
FAQ about Vapi alternatives
- What is the best alternative to Vapi in 2026?
- Based on our selection, Retell AI is the best alternative to Vapi in 2026. No-code-friendly platform for building AI phone agents that handle customer service and sales calls, with drag-and-drop configuration.. See our full ranking above to compare all options.
- Is Vapi free?
- Vapi is a paid tool. Several alternatives in our selection offer free or freemium versions.
- How many alternatives to Vapi are there?
- mySelectas has listed 12 alternatives to Vapi in the AI & Machine Learning category. Our selection is updated regularly to include the best options available.