OpenAI Realtime API vs Deepgram

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
OpenAI Realtime API
vs
Competitor 1
Deepgram
Competitor 2
Competitor 3
Suggested competitors for OpenAI Realtime API: ElevenLabs API93% Microsoft Azure AI Speech88% Inworld AI88% Deepgram Voice Agent API86% Hume EVI85% Fixie.ai81% Google Cloud Text-to-Speech80% Amazon Polly80%
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2 tools · best value per row highlighted
Your tool OpenAI Realtime API
platform.openai.com
The OpenAI Realtime API is a developer interface for building voice agents that listen and speak in real time.
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Competitor Deepgram
deepgram.com
Deepgram is a voice AI platform that exposes speech-to-text, text-to-speech and conversational agents through APIs.
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Traffic estimated monthly website traffic
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Bounce rate lower is better
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Freemium
Starting price
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Free tier
Free tier
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Free trial
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API access
Plans
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Pay As You Go CustomGrowth $4,000/yrEnterprise Custom
Capabilities input → output
Input
AudioImagesText
AudioText
Output
AudioText
AudioText
Skill level
Advanced
Advanced
Categories
Development & CodeVoice & SpeechAI APIAI Text-to-Speech+2 more
Development & CodeVoice & SpeechAI APIAI Text-to-Speech+2 more
Tasks what each tool can do · 5 shared · core   partial
Tasks covered
6
7
APIs
Voice agents
Text to speech
Transcription
Voice assistance
Speech recognition
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Voice
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Call transcriptions
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Community on aitoolstime
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Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.