Usage-Based Pricing: Audio & Voice AI Tools (7 tools)

7 tools · Usage-Based Pricing · Sorted per published v2-5dim scores.

Selection rule: pricing.model === usage.

#Tool Key Metric OverallPricingVerified
1 Deepgram 85.1 85.1 PAYG STT from $0.0043/min · TTS from $0. 2026-09-15
2 AssemblyAI 84.5 84.5 $0.15/hour 2026-09-13
3 Auphonic 84.2 84.2 Free 2h processed audio/mo · recurring c 2026-09-17
4 Hume AI 82.6 82.6 $3/mo 2026-09-13
5 Rime 82.5 82.5 Starter usage-based (Mist v3 $0.03/1k ch 2026-09-15
6 Respeecher 79.7 79.7 $2/hr 2026-09-17
7 Cleanvoice 77.5 77.5 $11/once 2026-09-15

Methodology: AiRecMark v2-5dim five-dimension scoring (Quality 25% / Features 20% / Usability 15% / Performance 20% / Value 20%). No sponsored placements.