What are the best Retell AI alternatives in 2026?
The closest Voice Agents & Speech/Audio alternatives to Retell AI are Vapi (Free), AssemblyAI (Free), Cartesia ($5/mo). Cartesia is the cheapest at $5/month.
⏱ Verified 1 day ago — this page pulls live from our directory and updates within 24 hours of any tracked price change.
We track 14 Voice Agents & Speech/Audio tools, and every price below is verified against the vendor's public pricing page — no estimates, no affiliate ordering. Alternatives are ranked by transparent published pricing first, then by entry price.
Want maximum stack flexibility? Vapi lets you swap every layer. Only outbound sales in appointment-heavy verticals? telli or Bland AI.
Entry price alone rarely decides a migration: check the per-seat step-ups, the PAYG caps, and how often each vendor has raised prices before switching away from Retell AI.
Best Retell AI alternatives by entry price
| # | Tool | Entry price | Free plan |
|---|---|---|---|
| 1 | Vapi | Free | — |
| 2 | AssemblyAI | Free | — |
| 3 | Cartesia | $5/mo | — |
| 4 | ElevenLabs | $6/mo | — |
| 5 | Synthflow | $29/mo | — |
| 6 | LiveKit | $50/mo | — |
| 7 | Fonio AI | $106/mo | — |
| 8 | Bland AI | $299/mo | — |
| 9 | Deepgram | — | — |
| 10 | Regal AI | Free | — |
Answer generated from SaaS Price Hub's daily-verified pricing tracker. Last updated September 20, 2026.
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