AI transcription tools compared: speech-to-text that is worth paying for
For most people, Otter's free tier (300 transcription minutes a month) is the right starting point. If accuracy on difficult audio matters more than price, Rev is the only tool here with human transcription, from $1.99 per minute. Video creators who also edit should look at Descript; interview-focused teams at Riverside.
How do AI transcription tools work?
All five tools in this comparison run automatic speech recognition on your audio: the file is converted to text by a neural model, timestamps are attached to each sentence, and speakers are separated and labeled. What differs between tools is everything around the transcript: where the audio comes from, what you can edit, how you export, and whether a human can take over when the model struggles.
What does speech-to-text actually cost per hour?
Pricing splits into two camps. Subscription tools sell a monthly pool of minutes: Otter gives 300 minutes free and 1,200 on Pro, Descript counts imported or recorded media hours per editor, and Riverside bundles transcription into its recording plans. Rev is the outlier, with a per-minute human service from $1.99 per minute alongside AI subscription tiers at $25.49 and $47.99 per seat per month. If you transcribe less than an hour a month, a free tier is genuinely enough. If you process several hours weekly, monthly pools are far cheaper than per-minute rates.
| Tool | Pricing model | Free tier | Languages | Export formats | Standout |
|---|---|---|---|---|---|
| Otter.ai | Monthly subscription | 300 min/month | Multi-language support | TXT, DOCX, PDF, SRT | Live transcription for Zoom, Teams and Meet |
| Rev | Per-minute human + AI subscription | Limited free plan | 37+ AI languages; 17 subtitle languages | All major file formats | Human transcription from $1.99/min |
| Descript | Monthly media hours | 1 hr/month | 25 transcription languages | SRT, VTT, TXT, DOCX, MP4 | Edit video by editing the transcript |
| Riverside | Monthly subscription | 2 hrs single-track (one-off) | 100+ languages | SRT, VTT, TXT, MP4 | Separate-track recording plus AI clips |
| VEED.IO | Monthly subscription + credits | Free plan (watermarked) | Translation to 50+ languages on Pro | SRT, VTT, TXT, MP4 | Browser editor with styled captions |
When does paying for human transcription make sense?
Rev is the only tool here that routes audio to people. Human transcription starts at $1.99 per minute for English, rises to $6.49 per minute for Spanish and Hindi, $10 per minute for most European languages, and $15.99 per minute for Japanese and Korean, and carries a published 99%+ accuracy guarantee. That is a different product category, not a premium tier: it earns its cost on legal audio, heavy accents, overlapping speakers, and languages where AI accuracy drops. For routine English meetings, AI transcription is good enough that human passes are hard to justify.
How useful are the free tiers?
They are most useful as a test bed. Otter's free plan is the most generous real quota: 300 minutes a month with live transcription and speaker identification. Descript's free plan includes an hour of media processing so you can try its text-based editing. Riverside allows two hours of single-track recording once, and VEED's free plan watermarks exports. Run the same ten-minute sample through two or three free tiers before paying; accuracy differences on your actual audio matter more than feature lists. If your transcription needs come mostly from meetings, see our comparison of AI meeting notes tools instead.
What about accents, jargon, and speaker labels?
None of these vendors publishes accuracy benchmarks broken down by accent or audio quality, so treat any cross-tool accuracy claim with skepticism. What you can verify: Otter's Business plan includes team vocabulary and taggable speakers, which is aimed directly at recurring names and jargon. Descript's transcript editor makes corrections cheap, because fixing the text also fixes the timeline. Rev's human option is the escape hatch for audio where AI is not good enough. Speaker labeling is standard everywhere, but it degrades with crosstalk and poor microphones.
Transcription vs subtitles and voice: where each tool fits
These tools overlap with two adjacent tasks. If the end product is captions and translated subtitles for video rather than a raw transcript, read our AI subtitle and translation tools comparison. If you need the reverse direction, generating spoken audio from text, see AI voiceover tools. Descript and VEED appear in all three comparisons because they bundle transcription with editing; specialist tools like Otter and Rev exist purely for the transcript itself.
Where do your recordings go?
Transcription means uploading your audio to someone's servers, so privacy terms deserve a look before you route client calls or medical audio through a free tier. The vendors in this comparison differ materially: some state that audio is deleted after processing, others retain it for model improvement unless you opt out, and enterprise plans typically add contractual protections that consumer tiers lack. None of this changes accuracy, but it changes what you can responsibly record. If your transcripts involve other people's voices, check the vendor's data-retention terms before uploading — and prefer a paid plan, whose terms are generally written for business use rather than consumer data harvesting.
Selection advice: Start with Otter if your transcripts come from meetings, and only pay when 300 minutes a month stops being enough. Choose Rev when a human pass is the point. Pick Descript when the transcript feeds an edit, Riverside when you are recording interviews, and VEED when captions are the end goal. Our method for weighing these factors is explained on How We Pick.
Frequently asked questions
- What is the most accurate AI transcription tool?
- No vendor publishes accuracy numbers that can be compared across tools, because results depend on audio quality, accents and microphone setup. Rev is the only service in this comparison that publishes a guarantee, and it applies to human transcription at 99% or higher. For AI-only transcription, the practical test is running the same sample file through each free tier.
- Is the Otter free plan enough for real use?
- For light meeting use, yes. Otter's free plan includes 300 transcription minutes per month, live transcription, speaker identification and export to TXT, DOCX, PDF and SRT. The limits show up quickly if you transcribe interviews or podcasts: 300 minutes is roughly five one-hour recordings, and the paid Pro plan raises the cap to 1,200 minutes with bulk export.
- How much does Rev human transcription cost?
- Rev's human transcription starts at $1.99 per minute for English audio. Spanish and Hindi cost $6.49 per minute, a large group of European languages costs $10 per minute, and Japanese and Korean cost $15.99 per minute. If you prefer AI, Rev's Essentials subscription is $25.49 per seat per month billed annually and includes 10,000 AI transcription minutes in 37+ languages.
- Can AI transcription tools label multiple speakers?
- Speaker identification is a standard feature. Otter includes speaker identification even on its free plan, and its Business plan adds team vocabulary and taggable speakers so recurring names and jargon are recognized consistently. Other tools label speakers as part of their transcript editors. Accuracy depends on how clearly the recording separates voices.