Deepgram
Nova-3
Measured 2026-10-01
Run Nova-3 on Speko →One API, every model on this board.
WER · batch
11.96%
n=50 · FLEURS clean read-English
Corrected 2026-09-02 from a published 9.8% that has no reproducible source. 11.96% is the mean per-clip WER of the committed batch artifact results/anchor-nova3-20260808.json (run of 2026-08-08), re-confirmed by rescoring that artifact with the current text normalizer — 11.96% as stored and 11.96% rescored.
WER · streaming
Read speech
10.8%
Conversation
16.95%
Details
Read speech
n=1541 · FLEURS test+dev+train · vendor-direct
Conversation
14.4–19.9% · EdAcc n=283 · 60 speakers, 2 passes, 2026-10-01
1 of 566 readings came back empty, scored as all-deletion.
Finalize
189ms
p50–p90 · US East · n=200 · vendor-direct · ±9%
Time to first token
976ms
p50–p90 · US East · n=200 · vendor-direct · ±0%
Cost / min
$0.0048
Streaming pay-as-you-go. Vendor flags it as a limited-time promotional rate; pre-recorded is $0.0043.
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