Voice AI Pricing 2026: Self-Hosted vs Cloud — Complete Cost Comparison
Cloud voice APIs charge per minute forever. Self-hosting breaks even at 500 min/month and saves 6x at 10,000+ minutes. Full component-by-component pricing breakdown.
$0.02
Self-hosted cost/min at 10K
$0.12
Cloud average cost/min
6x
Savings at scale
500
Break-even (min/month)
Cloud vs Self-Hosted: Component Pricing
| Component | Cloud Provider | $/Min | Self-Hosted | $/Mo |
|---|---|---|---|---|
| Speech-to-Text | Deepgram Nova-2 | $0.0059 | Whisper Large v3 | Free* |
| LLM Conversation | OpenAI GPT-4o Realtime | $0.06 | Llama 3 70B | Free* |
| Text-to-Speech | ElevenLabs Turbo v2.5 | $0.015 | Deepgram Aura-2 | Free* |
| Orchestration | Vapi Platform Fee | $0.02 | LiveKit Agents | Free* |
| Total | $0.10–0.12 | $80–150 |
* Requires GPU instance: $80–150/month for A4000 or similar. Models are open-source and free.
Cost at Different Volumes
| Monthly Minutes | Cloud Cost | Self-Hosted Cost | Savings |
|---|---|---|---|
| 500 | £40–60 | £80–150 | Cloud cheaper |
| 1,000 | £80–120 | £80–150 | ~Break-even |
| 5,000 | £400–600 | £80–150 | Save £250–450 |
| 10,000 | £800–1,200 | £80–150 | Save £650–1,050 |
| 50,000 | £4,000–6,000 | £200–400 | Save £3,600–5,600 |
📊 Get a personalised cost analysis for your call volume.
Free Analysis →When Self-Hosting Wins
Self-hosting becomes the clear winner when: (1) volume exceeds 500 min/month, (2) you need data sovereignty (healthcare, legal, finance), or (3) you want custom voice models and brand-specific responses. Below 500 min/month, cloud APIs win on convenience.
Sovael Voice AI: £197/mo, Fully Managed
| What You'd Pay Elsewhere | DIY | Sovael |
|---|---|---|
| GPU instance + ML setup | £1,500–3,500 | Included |
| Ongoing monitoring | £200–500/mo | Included |
| Phone system integration | £500–1,500 | Included |
| First year total | £5,460–12,300 | £2,364 |
🤖 Ready to cut your voice bill? Let's talk.
Book a Demo →Sources
- Dograh TCO Analysis (Jan 2026)
- Coval.ai Voice AI Models Guide (May 2026)
- Rasa Enterprise Voice AI Report (Apr 2026)