ElevenLabs Conversational AI (ElevenAgents) vs Ultravox

ElevenLabs Conversational AI (ElevenAgents) and Ultravox are both Realtime Voice Agent APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. Ultravox starts lower at $0.05 per minute vs $0.08 for ElevenLabs Conversational AI (ElevenAgents). ElevenLabs Conversational AI (ElevenAgents) offers a free tier while Ultravox does not, so ElevenLabs Conversational AI (ElevenAgents) is easier to trial before committing. On compliance, ElevenLabs Conversational AI (ElevenAgents) additionally documents SOC 2, HIPAA, GDPR. For coding-agent use, ElevenLabs Conversational AI (ElevenAgents) scores higher on agent-friendliness (65 vs 20).

Comparedby a transparent data-readiness score computed from each API's published, sourced fields. No reviews, no paid placement. How we rank.

Data last verified 2026-06-21, with every field cited on each profile.

Head-to-head, from published, cited fields (auto-generated; no paid placement)
Field	ElevenLabs Conversational AI (ElevenAgents)	Ultravox
Starting price	$0.08 minute	$0.05 minute
Pricing model	Hybrid	Usage
Free tier	✓	✗
Self-serve signup	✓	✓
SOC 2	Type II	·
HIPAA	✓	·
GDPR	✓	·
Webhooks	✓	✓
Sandbox	✗	✗
Documented actions	18	20

Full data and citations: ElevenLabs Conversational AI (ElevenAgents) · Ultravox. See more Realtime Voice Agent APIs.