whereismyai › Retell AI
Retell AI alternatives
The 12 products closest to Retell AI in what they do and who they're for, best match first.
- AssemblyAI — Industry-leading speech models deliver high accuracy and low latency for voice applications. (Audio, Freemium)
- Pipecat — Builds real-time voice and multimodal agents with frame-level control. (Audio, Free)
- Cald.ai — It uses advanced LLMs and speech models to deliver human-like, low-latency phone interactions. (Audio, Paid)
- Parloa — Enterprise customer service agents built without specialists and scaled securely. (Audio, Paid)
- AstrBot — Connects your chat apps with sub-agents, MCP support, and 1000+ plugins. (Agents, Free)
- Harmony AI — Deploys revenue-trained voice agents with sub-second response times. (Audio, Paid)
- AI Phone — Runs local speech and language models on Apple Silicon with SIP phone integration. (Agents, Free)
- Synthflow — Delivers sub-100 ms latency with custom telephony and enterprise integrations. (Audio, Paid)
- Patter — Connects AI agents to phone calls in four lines of code with sub-500ms latency. (Audio, Free)
- Vapi — Provides scalable orchestration for voice AI agents with sub-500ms latency. (Audio, Freemium)
- NovaSynth — Tests voice agents on real calls and validates fixes automatically. (Audio, Freemium)
- VoiceGremlin — Validate AI voice agents with real phone calls and plain English test cases. (Agents, Paid)