Deepgram
Deepgram · United States · Speech & audio
Global Closed sourceFree tierIndependent test
Showing version: Nova-3 · 2025-02-01 · Version lineage ↓
01
Overview
Deepgram's developer-first speech recognition API platform, led by the Nova ASR line (current Nova-3, plus Flux for conversational streaming), known for low-latency streaming transcription, per-minute pricing and diarization.
Release date2025-02-01
02 / Provenance
Field checks and source notes
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These field-level notes are recorded verbatim in Chinese in the source data. Open the Chinese version
03 / Plain layer
Plain-language benchmarks
Naturalness Not disclosed
Accuracy (WER) 5.2% · lower is better
Speed / latency Not disclosed
Languages supported Not disclosed
Price / free Not disclosed新账户 $200 额度
04
Practical facts
| Context length | Not disclosed |
|---|---|
| Max output | Not disclosed |
| Parameters | Not disclosed |
| Input | Not disclosed |
| Output price | Not disclosed |
| CNY | Not disclosed |
| Free tier | New accounts receive $200 of credit. |
| Output speed | Not disclosed |
| Release date | |
| License | Not disclosed |
Show technical data
Technical benchmark table
| Benchmark | Score | Max / unit | Source type | Source | Test date | Conditions |
|---|---|---|---|---|---|---|
| ASR word error rate asr-wer | 5.2% | percent / 100 | Independent test | AA-WER 指数：约 8 小时、三数据集按时长加权平均，批量转写；越低越好 |
| Version | Release date | Status | Openness | Parameters | What changed | Detail | |
|---|---|---|---|---|---|---|---|
| Nova-3Showing version | Active | Closed source | Not disclosed | Released February 2025 for batch and streaming transcription; vendor launch figures cite ~6.84% streaming WER and ~5.3% median batch WER (self-reported), with medical variants and the later Flux conversational model. | Detail | ||
| Nova-2 | Superseded | Closed source | Not disclosed | Previous flagship superseded by Nova-3; exact release date not verified in this pass and left blank. | Detail |
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06 / Compare