How many Voice AI Agents tools are listed?

10 total. 10 have a free option and 0 are open source.

What's a typical price for Voice AI Agents tools?

Paid tiers average around $68/month across 6 tools with published pricing. Several tools only list contact-sales pricing and aren't counted here.

Voice AI & Phone Agents

All 10 Voice AI Agents tools on AgentsIndex. Filter, sort, and compare.

10 listed10 freeavg $68/month

Reviewed by Mathijs Bronsdijk · Updated May 17, 2026

The Voice AI Agents catalog on AgentsIndex lists 10 tools built for this job. Most are built for developers, marketers, small teams. 10 have a free option. It's a maturing category with 10 tracked tools.

Deepgram

Speech AI APIs for transcription, synthesis, and voice agents.

Voice AI Agents

Deepgram turns audio into transcripts, analytics, and voice responses with Speech to Text, Text to Speech, and Voice Agent APIs. Starts at Free $200 Credit.