Hume AI Alternatives
Expressive voice APIs: real-time speech-to-speech (EVI) and instructable text-to-speech (Octave)
Hume AI offers two voice APIs. EVI (Empathic Voice Interface) is a real-time speech-to-speech model that reads vocal expression and adjusts its replies.
Explore 23 alternatives to Hume AI across 1 category. Updated November 2026.
Top Hume AI alternatives at a glance
- LiveKit Agents. Open-source framework for building real-time voice and multimodal AI agents over WebRTC
- SLNG. Voice agent infrastructure that routes across STT, TTS and LLM providers with region-pinned execution
- VaxVoIP Agent AI SDK. SIP-to-OpenAI Realtime gateway SDK for building voice agents on SIP servers and IP-PBX systems
- OpenAI. API access to GPT, o-series reasoning, DALL-E, and Whisper models
- Fish Audio. Text-to-speech and voice cloning API, with Fish Speech weights published under a research licence
Compare Hume AI with its alternatives
| Product | Pricing Model | Free Tier | Open Source | Hosting | HQ |
|---|---|---|---|---|---|
| Hume AI | Freemium | ✓ | — | Cloud | ๐บ๐ธ United States |
| LiveKit Agents | Freemium | ✓ | ✓ | Cloud + Self-hosted | ๐บ๐ธ United States |
| SLNG | Pay-per-use | — | — | Cloud | — |
| VaxVoIP Agent AI SDK | — | ✓ | — | Self-hosted | — |
| OpenAI | Pay-per-use | ✓ | — | Cloud | ๐บ๐ธ United States |
| Fish Audio | Freemium | ✓ | — | Cloud + Self-hosted | ๐บ๐ธ United States |
| Eleven Labs | Freemium | ✓ | — | Cloud | ๐บ๐ธ United States |
| Respeecher | Freemium | — | — | Cloud | — |
| Cekura | Pay-per-use | ✓ | — | Cloud | ๐บ๐ธ United States |
| PlayHT | — | — | — | — | ๐บ๐ธ United States |
| SpeechifyAI | Freemium | ✓ | — | Cloud | ๐บ๐ธ United States |
| Samtal | — | — | — | Cloud | ๐ธ๐ช Sweden |
| VoxCPM | Free | ✓ | ✓ APACHE-2.0 | Self-hosted | — |
| Munsit | — | ✓ | — | Cloud + Self-hosted | ๐ฆ๐ช AE |
| Giggy | — | ✓ | — | Cloud | — |
| MusicGPT | Freemium | ✓ | — | — | — |
๐ Audio
VoxCPM
Tokenizer-free open-source text-to-speech with voice cloning across 30 languages
Open Source
Free Trial
Deepgram
Build Voice AI into your apps.
Free Trial
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