AssemblyAI vs Whisper (OpenAI)
Ai Transcription Apis pricing comparison · 2026
AssemblyAI pricing ranges from $0–$0.21/hour, while Whisper (OpenAI) ranges from $0.003–$0.006/minute. Whisper (OpenAI) is typically 94% more affordable, though your actual cost depends on tier and team size.
VS
AssemblyAI and Whisper (OpenAI) both operate in the ai transcription apis category. This page compares their published pricing.
Plan-by-Plan Pricing
| Plan | AssemblyAI | Whisper (OpenAI) |
|---|---|---|
| Free Tier | Free /hour | Free /minute |
| Pay-As-You-Go | Custom | Free /minute |
| Enterprise | Custom | Free |
Cost at Scale
Total cost of ownership — licenses, implementation, and hidden costs included.
AssemblyAI
3 scenarios$10/month ($120/year)
Podcast Transcription Startup (50 hours/month)
$7.50 for transcription (50 hrs × $0.15/hr), $1.00 for speaker diarization (50 hrs × $0.02/hr), $1.50 for summarization (50 hrs × $0.03/hr). Total per-hour cost: $0.20/hr.
$210/month ($2,520/year)
Customer Call Analytics Platform (500 hours/month)
$75 for transcription (500 hrs × $0.15/hr), $10 for speaker diarization, $40 for entity detection, $10 for sentiment analysis, $75 for topic detection. Total per-hour cost: $0.42/hr. Enterprise pricing with 30-50% volume discount would reduce this to ~$1,500-$1,800/year.
$1,250
Enterprise Meeting Intelligence (5,000 hours/month)
$1,750/month ($15,000-$21,000/year estimate) -- Enterprise volume discounts of 40-50% applied to list pricing (~$0.25-$0.35/hr vs $0.42/hr list). Includes dedicated support, custom SLA, and prepaid annual commitment. Typical Enterprise contracts start at $12,000-$24,000 minimum.
Whisper (OpenAI)
3 scenarios$36/month ($432/year)
Startup Podcast Transcription (100 hours/month)
6,000 minutes at $0.006/min. With GPT-4o Mini Transcribe at $0.003/min, cost drops to $18/month ($216/year). No add-on fees for diarization. First month partially offset by $5 free credit.
$180/month ($2,160/year)
SaaS Meeting Recorder (500 hours/month)
30,000 minutes at $0.006/min with diarization included. Using GPT-4o Mini Transcribe reduces to $90/month ($1,080/year). At this volume, self-hosting open-source Whisper on GPU infrastructure ($276/month fixed) becomes cost-comparable and may be cheaper with dedicated hardware.
$1,800/month ($21,600/year)
Enterprise Call Center (5,000 hours/month)
300,000 minutes at $0.006/min. At this volume, self-hosting Whisper on dedicated GPU clusters ($500-$800/month) offers 55-70% savings but requires DevOps investment. Enterprise API pricing with volume discounts may be available through OpenAI sales.