Hume AI vs Vapi
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Hume AI
Voice-AI evaluation and expression measurement
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Vapi
Developer infrastructure for phone and web voice agents
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| RECATOOLS Score | 7.2 / 10 | 7.3 / 10 |
| Capability | ||
| Value for money | ||
| Ease of use | ||
| ASEAN readiness | ||
| API quality | ||
| Pricing | Contact | Usage_based |
| Free tier | — | $5 trial credit on sign-up; no lasting free plan |
| Paid from | Quoted on request (voice API plans from $3/month end 13 Nov 2026) | $0.05/min Vapi hosting fee plus provider costs at list price, no package required |
| Has API | ✓ | ✓ |
| Open source | ✗ | ✗ |
| Free to use | ✗ | ✗ |
| Users | — | — |
| Founded | 2021 | 2024 |
| Maker | Alan Cowen | — |
| Verdict | Hume AI built the Empathic Voice Interface and Octave text-to-speech, and is now shutting both: the APIs stop working on 13 November 2026 and account data is deleted afterwards, so existing builders should migrate now. T... |
Vapi is one of the most flexible building blocks for voice agents: pick the transcriber, model, voice and carrier, wire in tool calls and webhooks, hand calls between agents in squads, and simulate calls before they go l... |
| Full review → | Full review → |
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.