Deepgram Voice Agent vs Twilio ConversationRelay

as AI assistants see them, week of 2026-09-21

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Deepgram Voice Agent and Twilio ConversationRelay both show up quietly in AI assistants' answers, each named in 6 of 60 answers overall. Deepgram scores 5 out of 100 overall (0 on ChatGPT, 14 on Claude, 0 on Perplexity), picking up single mentions across spread-out questions like best voice AI for call analytics, best for languages other than English, and cheapest per minute. Twilio ConversationRelay scores 4 out of 100 overall (3, 8, and 3), but it sweeps the question on platforms with their own phone numbers and telephony, named in all 3 of 3 answers there. Head-to-head, Deepgram leads on 4 questions, Twilio on 2, with 14 questions tied.

Head to head

metric	Deepgram Voice Agent	Twilio ConversationRelay
score	5	4
questions won	6	4

By assistant

Deepgram Voice Agent

assistant	score	named in, this week	usual spot, this week
ChatGPT	0	0% of answers
Claude	14	30% of answers	#8.5
Gemini	not sampled this week
Perplexity	0	0% of answers

Twilio ConversationRelay

assistant	score	named in, this week	usual spot, this week
ChatGPT	3	5% of answers	#5.0
Claude	8	20% of answers	#11.8
Gemini	not sampled this week
Perplexity	3	5% of answers	#6.0

Where they differ

Only Deepgram Voice Agent gets named for

What's the best AI voice agent for languages other than English?
What are the best AI voice agent platforms?
What are the best AI voice agents in 2026?
What's the best voice AI platform for call analytics and transcripts?

Only Twilio ConversationRelay gets named for

What's the best voice AI platform with its own phone numbers and telephony?
What's the best no-code tool to build a voice AI agent?

More comparisons

Not sold on either?

Scores count how often each assistant names a product, weighted by position. How the score works · Full AI voice agents leaderboard