AssemblyAI
Alternatives

Best cheaper alternatives to Voice Agent API

Looking for a cheaper or smarter replacement for Voice Agent API by AssemblyAI? We compared every Audio model with verifiable pricing on real input/output cost, context window, intelligence and modalities. 18 options are meaningfully cheaper.

Category: Audio
Mistral AI
Voxtral TTS100% CHEAPER
Mistral AI
Same category
xAI
xAI Text To Speech100% CHEAPER
xAI
Same category
Groq
Whisper Large v3 Turbo99% CHEAPER
Groq
Same category
xAI
xAI Speech To Text REST98% CHEAPER
xAI
Same category
Groq
Whisper V3 Large98% CHEAPER
Groq
Same category
AssemblyAI
Universal-297% CHEAPER
AssemblyAI
Same category
AssemblyAI
Universal-3 Pro95% CHEAPER
AssemblyAI
Same category
AssemblyAI
Universal-3 Pro Streaming90% CHEAPER
AssemblyAI
Same category
Deepgram
Nova-3 Monolingual Streaming100% CHEAPER
Deepgram
Same category
Deepgram
Nova-3 Multilingual Streaming100% CHEAPER
Deepgram
Same category
Deepgram
Flux English Streaming100% CHEAPER
Deepgram
Same category
Deepgram
Flux Multilingual Streaming100% CHEAPER
Deepgram
Same category
ElevenLabs
ElevenLabs Turbo v2.5100% CHEAPER
ElevenLabs
Same category
Suno
Suno v599% CHEAPER
Suno
Same category
Suno
Suno v3.598% CHEAPER
Suno
Same category
Udio
Udio v1.598% CHEAPER
Udio
Same category
Alibaba Cloud
Qwen3 ASR Flash Realtime100% CHEAPER
Alibaba Cloud
Same category
Deepgram
Nova 3100% CHEAPER
Deepgram
Same category

Costs are normalised to a blended 1M-token workload (or per-unit price for non-token models) using each model's latest verified pricing. Models with pricing under review are excluded from recommendations.