Shortlist by what you need
Start here if you know why you are leaving Applied Brain Research.
Want the closest match?
CartesiaMost similar to Applied Brain Research in what it does, its category and its price.
Visit (opens Cartesia in a new tab)Need a free plan?
Fish AudioHas a free plan, rated 4.3 out of 5. Applied Brain Research has none.
Visit (opens Fish Audio in a new tab)
At a glance
Green means better than Applied Brain Research, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 Applied Brain ResearchBaseline | 3.7 | Not listed | No | Patented state space models bring real-time speech AI directly to edge devices - no cloud, ultra-low power, with first-silicon hardware demoed in November 2025. | |
| Cartesia | 4.4+0.7 | Free | YesApplied Brain Research has none | A different model architecture built for real-time voice agents | vs Applied Brain Research |
| Fish Audio | 4.3+0.6 | $5/mo | YesApplied Brain Research has none | Built on an open-sourced model, with a two-million-voice library | vs Applied Brain Research |
The alternatives in detail
In order of how closely each one matches Applied Brain Research.
Cartesia
4.4Free
vs Applied Brain Research+0.7Free plan
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
Fish Audio
4.3$5/mo
vs Applied Brain Research+0.6Free plan
Built on an open-sourced model, with a two-million-voice library.
- Open-sourced underlying model (Fish Speech) available on GitHub
- Voice cloning from about ten seconds of audio
- Emotion tags for direct delivery control
Open-source model option, unusual for this category
Company background and history are thinly documented
FAQ
Questions people ask
Is Applied Brain Research free?
Applied Brain Research does not list a free plan. Check its pricing page for current plans.
What is the best free alternative to Applied Brain Research?
Cartesia is the highest-rated alternative here with a free plan (4.4 out of 5). Other free options: Fish Audio.
What is the cheapest alternative to Applied Brain Research?
Among paid plans, Fish Audio has the lowest starting price (from $5/mo). If you need it free, start with Cartesia.
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.