Enterprise Voice AI platform for Speech-to-Text, Text-to-Speech, and Voice Agents
Stage
Not given
Established
Founded
Not given
2015
Based in
IE
US
Pricing model
Freemium
Freemium
Pricing
Standard: Free forever. Plus: €9/month. Pro: €25/month. Team plan: No subscription, pay per machine and per AI use from prepaid balance in US dollars. Machine sizes: R0 $5/month, R1 $10/month, R2 $30/month. AI pricing per million tokens: Rool® 1 input $0.35, cached input $0.07, output $0.70. Rool® 1
Flux STT Streaming: $0.0065/min (Pay As You Go), $0.0057/min (Growth); Flux Multilingual Streaming: $0.0078/min (Pay As You Go), $0.0068/min (Growth); Nova-3 Monolingual Streaming: $0.0048/min (Pay As You Go), $0.0042/min (Growth); Nova-3 Multilingual Streaming: $0.0058/min (Pay As You Go), $0.0050/
Key features
Persistent memory that builds knowledge graphs over time
File storage and management with version control
Collaboration with shared access and permissions
Multiple Rool Machines per account
Built-in connectors and custom MCP servers
Full data export and API access
Progressive Web App and mobile apps
Hourly credit refills with daily limits
Rool 1 and Rool 1.5 AI models
EU infrastructure with self-hosted models
Flux STT with turn detection and interruption handling
Nova-3 multilingual speech recognition in 50+ languages
Ultra-low latency under 300 milliseconds
Keyterm prompting with up to 90% higher keyword recall
Flux TTS with latency as low as 80ms
Speaker diarization and multi-speaker audio detection
Smart formatting with automatic punctuation and capitalization
Automatic redaction of sensitive information
Custom models for edge-case scenarios
Flexible deployment options: cloud, in-VPC, or self-hosted
What makes it different
Private machine isolated at VM level, not just by access rules
Hosted entirely in the EU with self-hosted AI models
Never trains AI models on your data
Free forever plan with no credit card required
Conversation-aware speech platform with native turn-taking detection and interruption handling
Unified single API combining STT, TTS, and LLM orchestration to reduce complexity and latency
Flux TTS that thinks before speaking to maintain tone and expression across conversations
Enterprise-grade accuracy with custom vocabulary injection and industry-tuned models
Foundational AI company with research-driven innovation and continuous model improvements
Rool®
Deepgram