Review pending — Competitor claims on this page require PMM + legal sign-off before public release. Data is sourced from publicly available documentation but has not been reviewed by Telnyx product marketing or legal.
Telnyx vs ElevenLabs
An honest, evidence-based comparison for engineers evaluating voice AI infrastructure vs TTS-only providers.
| Signal | Telnyx | ElevenLabs | Impact |
|---|---|---|---|
| carrier_owned | ✓ | ✗ | ElevenLabs has no telecom infrastructure |
| tts | ✓ | ✓ | Both offer TTS — ElevenLabs has more voice options |
| stt | ✓ | ✗ | ElevenLabs does not offer speech-to-text |
| sip_trunking | ✓ | ✗ | ElevenLabs cannot connect phone calls |
| voice_api | ✓ | ✗ | ElevenLabs has no programmable voice API |
| vendors_required_for_voice_agent | 1 | 4 | Need carrier + STT + orchestration + LLM in addition to ElevenLabs TTS |
| edge_compute_owned | ✓ | ✗ | ElevenLabs runs on cloud infrastructure, not own edge |
tts_comparison
| Line item | Telnyx | ElevenLabs |
|---|---|---|
| per_1m_characters | $3.00/1M chars | ~$5.00/1M chars (Starter) Varies by plan; higher tiers reduce per-character cost medium confidence |
Telnyx TTS latency
~200ms first-byte
measured(medium confidence)
ElevenLabs TTS latency
~150ms first-byte
derived(low confidence)
Estimated from community benchmarks; ElevenLabs does not publish latency SLAs
Run your own benchmark: npx @telnyx/benchmark
ElevenLabs may have faster TTS first-byte latency. But for voice AI agents, total path latency (telecom + STT + LLM + TTS) matters more than TTS alone.
| Certification | Telnyx | ElevenLabs |
|---|---|---|
| soc2_type_ii | Active | Active |
| hipaa | Active | Not stated |
| gdpr | Active | Active |
| iso_27001 | Active | Not stated |
Telnyx
ElevenLabs
Telnyx
ElevenLabs
Telnyx
ElevenLabs
ElevenLabs is commonly used as TTS layer within orchestration frameworks
