ANALYSIS VERDICT
Deepgram leads on autonomy (73 vs 72), while Retell AI starts at $0/mo. Select Deepgram for industry-benchmark nova-3 speech recognition accuracy; consider Retell AI if you prioritize state-of-the-art conversational turn-taking.
| Metric / Feature | Deepgram Visit deepgram.com ↗ | Retell AI Visit retellai.com ↗ |
|---|---|---|
| Autonomy Score (AES) | 73/100 Core 83 · -10 setup | 72/100 |
| Value-to-Cost Ratio | 5.89 | 5.40 |
| Starting Price | $0/mo | $0/mo |
| Pricing Model | freemium | freemium |
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Pricing tier comparison
Deepgram tiers
Pay as you go
$0 /month
- Free $200 credit, then pay-as-you-go
- No minimums, no expiration, no credit card required
- Speech-to-text from $0.0077/min (Flux STT / Nova-3)
- Text-to-speech from $0.0150/1k characters (Aura-1)
- Voice Agent API from $0.075/min
- Up to 150 concurrent streaming STT connections
Growth
$4,000 /year
- $4,000+ / year pre-paid credits against usage
- Save up to 20% across STT, TTS, and Voice Agent
- Up to 225 concurrent streaming connections
- Volume discounts
Enterprise
Custom /custom
- Custom volume commitments & discounted rates
- Self-hosted VPC / on-prem container deployment
- HIPAA BAA & enterprise SLA
- Custom concurrency & named account team
Retell AI tiers
Pricing tiers unlisted.
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