Company comparison
Ultravox (Fixie.ai) vs Abridge
Radar profile, momentum bars, and stack placement side by side.
Ultravox (Fixie.ai)
Not scored
momentum
Abridge
Not scored
momentum
Ultravox (Fixie.ai) capital
—
Abridge capital
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No radar series.
Momentum head-to-head
Attribute tape
| Field | Ultravox (Fixie.ai) | Abridge |
|---|---|---|
| Category | Uncategorized | Uncategorized |
| Stack | — | — |
| HQ | Seattle, WA, United States | Pittsburgh, PA, United States |
| Founded | — | — |
| Status | Operating | Operating |
| Funding | — | — |
| Momentum | — | — |
| Summary | Ultravox is a real-time voice AI platform by Fixie.ai Inc. that provides a speech-native multimodal LLM and hosted API/SDK for building low-latency conversational voice agents. Unlike cascading ASR+LLM stacks, Ultravox processes speech directly, enabling faster, interruption-tolerant real-time conversations. | Abridge is a healthcare AI company that converts patient-clinician conversations into structured clinical notes and documentation in real time using ambient listening and large language models. It integrates directly with EHR systems — most notably Epic — and targets health systems seeking to reduce clinician documentation burden. |
| Who for | Teams evaluating AI vendors in this category. | Teams evaluating AI vendors in this category. |
| Differentiator | Ultravox is a real-time voice AI platform by Fixie.ai Inc. that provides a speech-native multimodal LLM and hosted API/SDK for building low-latency conversational voice agents. Unlike cascading ASR+LLM stacks, Ultravox processes speech directly, enabling faster, interruption-tolerant real-time conversations. | Abridge is a healthcare AI company that converts patient-clinician conversations into structured clinical notes and documentation in real time using ambient listening and large language models. It integrates directly with EHR systems — most notably Epic — and targets health systems seeking to reduce clinician documentation burden. |
