Head-to-head
Deepgram vs OpenAI
Deepgram leads: the AI models rank it above its rival on 1 of the 1 leaderboard they share. Based on how ChatGPT, Claude, Gemini & Grok rank both across the leaderboard they share — re-polled weekly, reasoning shown verbatim.
| Leaderboard | Deepgram | OpenAI |
|---|---|---|
| Best speech-to-text API | #1 / 8 | #3 / 8 |
Why the models rank Deepgram — on best speech-to-text api
“Best overall balance of streaming accuracy, very low latency, competitive cost, diarization, multilingual support, and production-ready controls for noisy calls and domain vocabulary”
Why the models rank OpenAI — on best speech-to-text api
“the open-source default — free weights, 99 languages, and a huge ecosystem (faster-whisper, whisper.cpp, WhisperX) that makes self-hosting cheap at scale and keeps audio in-house; still the best value when you have GPUs and engineering time.”
More head-to-heads
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Ranks from the merged 4-model leaderboards · re-polled weekly · methodology