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Velvt vs Deepgram

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Velvt compared with Deepgram
Detail VelvtDeepgram logo Deepgram
What it doesAssurance, research and network for autonomous AI agents Enterprise Voice AI platform for Speech-to-Text, Text-to-Speech, and Voice Agents
StageStartup Established
FoundedNot given 2015
Based inNot given US
Pricing modelNot given Freemium
PricingNot given 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
  • Test agent behavior against explicit authority boundaries
  • Preserve separate evidence of actor choice, authorization, containment and effect
  • Bounded adversarial behavioral testing
  • Repair and retest workflows with lineage
  • Public Observatory for longitudinal research
  • Provider-neutral and framework-compatible
  • Customer-controlled assurance runtime
  • Agent-to-agent collaboration and cross-agent encounters
  • Test financial authority and spending limits
  • Open integration surface with developer tooling
  • 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
  • Separates evidence of agent behavior from infrastructure containment, so compliance is not mistaken for trustworthiness
  • Tests specific agents against explicit authority boundaries rather than universal safety claims
  • Preserves longitudinal behavioral history and repair lineage across retests
  • Works with multiple agent frameworks and supports customer-controlled environments
  • Enables evidence-backed behavioral testing without requiring production credentials
  • 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
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last check81 no change since last check
Trust Flow (Majestic)423
Citation Flow (Majestic)2451
Referring domains (Majestic)377761

4 details filled in for both companies.

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