Tier lists / Voice, TTS & audio/music / AssemblyAI

AssemblyAI

Speech AI API

🎙️ Voice & audio
A
72
/ 100

Visit assemblyai.com ↗

Transcription and audio intelligence API with speaker labels and summaries.

Use it when…

You need accurate transcription via API.

Skip it if…

You want local processing.

Score breakdown

Job fit18/30
Ease / time-to-first-result13/15
Value12/15
Momentum10/15
Openness & portability7/10
Trust & maturity9/10
Builder/gamer bonus3/5

Initial editorial estimate from public info; not yet hands-on tested. How we score →

Details

Pricing
Free to start, then pay-as-you-go; speech-to-text from $0.15/hr
✓ Verified on the official pricing page, Oct 18, 2026
Free tier
Yes
Starting paid price
$0.15/hr (pay-as-you-go)
Platforms
API
Open source
No
Official URL
https://www.assemblyai.com
URL verified
Oct 18, 2026 (curl HTTP GET)
Last reviewed
Oct 18, 2026 by agent
Sources
https://www.assemblyai.com
https://www.assemblyai.com/pricing

Changelog

Alternatives for this job

ElevenLabs
S

Realistic TTS, voice cloning and voice agents

88/100 free tier
Suno
A

Text-to-song music generation

78/100 free tier
Deepgram
A

Speech-to-text and voice AI APIs

76/100 free tier
Which AI Weekly

The best new tool for each job, every Friday.

Top new releases, ranked by use case, plus one tier-list shake-up. Free. Unsubscribe anytime.