Shortlist by what you need
Start here if you know why you are leaving Voicegain.
Want the closest match?
DeepgramMost similar to Voicegain in what it does, its category and its price.
Visit (opens Deepgram in a new tab)Need a free plan?
AssemblyAIHas a free plan, rated 4.5 out of 5.
Visit (opens AssemblyAI in a new tab)Want the lowest price?
SpeechmaticsFrom $0.13/mo, the lowest starting price here.
Visit (opens Speechmatics in a new tab)Want the best rated?
CartesiaRated 4.4 out of 5 in our review, against 4.0 for Voicegain.
Visit (opens Cartesia in a new tab)
At a glance
Green means better than Voicegain, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 VoicegainBaseline | 4.0 | Free | Yes | Voice AI platform with speech-to-text APIs, voice agents and healthcare call automation that runs on its cloud, a private VPC or fully on-premises. | |
| Deepgram | 4.5+0.5 | Free | Yes | Trains its own speech models from scratch, built for call centers | vs Voicegain |
| Speechmatics | 3.9−0.1 | $0.13/mo | Yes | Enterprise speech API platform for speech-to-text and voice agents in 55+ languages, with $100 in free usage and no card required. | vs Voicegain |
| Cartesia | 4.4+0.4 | Free | Yes | A different model architecture built for real-time voice agents | vs Voicegain |
 Gladia | 4.3+0.3 | Free | Yes | A European speech API tuned for accents and multilingual audio | vs Voicegain |
 Google Cloud Speech-to-Text | 4.3+0.3 | Free | Yes | Google Cloud's speech recognition API converting audio to text across 125+ languages with real-time streaming. | vs Voicegain |
 LongScribe | 3.6−0.4 | $4.99/mo | Yes | AI transcription software for long prerecorded audio and video | vs Voicegain |
| AssemblyAI | 4.5+0.5 | Free | Yes | A developer API, not an app, built for accuracy benchmarks | vs Voicegain |
 Resemble AI | 4.3+0.3 | $30/mo | Yes | A voice cloning company that also builds deepfake detection | vs Voicegain |
The alternatives in detail
In order of how closely each one matches Voicegain.
Deepgram
4.5Free
vs Voicegain+0.5
Trains its own speech models from scratch, built for call centers.
- Speech recognition models trained from scratch, not fine-tuned Whisper
- Real-time streaming transcription API
- Built for call center and voice agent use cases
Own model training gives more control over accuracy and speed tradeoffs
No consumer app, requires engineering integration
Speechmatics
3.9$0.13/mo
vs Voicegain−0.1
Enterprise speech API platform for speech-to-text and voice agents in 55+ languages, with $100 in free usage and no card required.
- Speech-to-text in 55+ languages and dialects
- Low-latency mode built for real-time voice agents
- English text-to-speech for voice-agent responses
A meaningful free credit to test the API before paying
Enterprise pricing is not public and needs a sales conversation
Cartesia
4.4Free
vs Voicegain+0.4
A different model architecture built for real-time voice agents.
- State space model architecture (Mamba-based) for low latency
- Sonic (TTS), Ink (STT), and Line (voice agent) product suite
- Top-ranked on independent speech benchmarks
Architecture specifically optimized for real-time latency
No published flat pricing, requires contacting sales for production use
Gladia
4.3Free
vs Voicegain+0.3
A European speech API tuned for accents and multilingual audio.
- Whisper-based model with additional accuracy tuning
- Strong performance on accented and multilingual audio
- EU-based infrastructure for data residency needs
Tuned specifically for accented and code-switching speech
No consumer app, requires development work to use
Google Cloud Speech-to-Text
4.3Free
vs Voicegain+0.3
Google Cloud's speech recognition API converting audio to text across 125+ languages with real-time streaming.
- Speech recognition across 125+ languages and regional variants
- Real-time streaming transcription alongside batch processing
- Automatic punctuation and speaker diarization
Language and variant coverage exceeds most competing transcription APIs
Per-second billing makes total cost hard to predict without usage forecasting
LongScribe
3.6$4.99/mo
vs Voicegain−0.4
AI transcription software for long prerecorded audio and video.
- Transcribes long recordings from YouTube, TikTok, Instagram, Facebook, Vimeo and 1,000+ other sources
- Uploads from your computer or cloud storage, with batch upload of up to 20 files on Premium
- Imports a whole YouTube channel and lets you pick which videos to transcribe
The free plan recurs every month rather than expiring after a trial
The free plan stops at 3 transcriptions and 180 minutes a month
AssemblyAI
4.5Free
vs Voicegain+0.5
A developer API, not an app, built for accuracy benchmarks.
- Usage-based speech-to-text API
- LeMUR framework for LLM analysis on transcripts
- Published accuracy benchmarks against competitors
Strong, independently referenced accuracy benchmarks
No consumer app, requires development work to use
Resemble AI
4.3$30/mo
vs Voicegain+0.3
A voice cloning company that also builds deepfake detection.
- Real-time voice conversion and cloning
- Localize feature for AI dubbing
- Emotion control over generated speech
Rare combination of voice cloning and deepfake detection from the same vendor
Consumer-facing interface is less polished than API-first competitors' back end
FAQ
Questions people ask
Is Voicegain free?
Voicegain has a free plan.
What is the best free alternative to Voicegain?
Deepgram is the highest-rated alternative here with a free plan (4.5 out of 5). Other free options: AssemblyAI, Cartesia, Gladia.
What is the cheapest alternative to Voicegain?
Among paid plans, Speechmatics has the lowest starting price (from $0.13/mo). If you need it free, start with Deepgram.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.