Deepgram vs Zep

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

Deepgram compared with Zep
Detail	Deepgram	Zep
What it does	Enterprise Voice AI platform for Speech-to-Text, Text-to-Speech, and Voice Agents	The unified context layer for enterprise data
Stage	Established	Not given
Founded	2015	2023
Based in	US	US
Pricing model	Freemium	Freemium
Pricing	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/	Free plan: 10,000 credits per month. Flex plan: $125/month with 50,000 credits included, then $25 per 10,000 credits. Flex Plus: $375/month with 200,000 credits included, then $75 per 40,000 credits. Enterprise: custom credits with negotiated rates. Credits consumed based on Episode size: 1 credit p
Key features	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	Sub-200ms context retrieval at scale Temporal context graphs with point-in-time queries
What makes it different	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	Reduces token use by up to 90% compared to traditional retrieval Temporal context graphs that track how business information changes over time Enterprise-scale Context Lake supporting millions of graphs
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	81 no change since last check	70 +1 (up) since last check
Trust Flow (Majestic)	23	16
Citation Flow (Majestic)	51	44
Referring domains (Majestic)	7761	2072

7 details filled in for both companies.

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