Smallest AI
Pulse
Measured 2026-07-03
Run Pulse on Speko →One API, every model on this board.
WER · batch
5.1%
WER · streaming
Read speech
5.93%
Conversation
14.46%
Details
Read speech
n=1541 · FLEURS test+dev+train · vendor-direct
Conversation
12.4–16.7% · EdAcc n=283 · 60 speakers, 2 passes, 2026-10-01
2 of 566 readings came back empty, scored as all-deletion.
Finalize
839ms
p50–p90 · US East · n=200 · vendor-direct · ±5%
Time to first token
2.27s
p50–p90 · US East · n=200 · vendor-direct · ±1%
Cost / min
$0.004
Streaming Pulse, the vendor's published per-model rate (smallest.ai/pricing/models; pre-recorded Pulse is $0.003/min). The ~$0.009/min on the main pricing page is the STT slice of a blended voice-agent stack, not this API's list rate.
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