← Speech-to-Text 
Cartesia
Ink-2
Measured 2026-07-03
* Conditional
Batch WER inflated by truncation; the streaming path it runs on scores better.
WER · batch
11.0%
WER · stream
9.9%
WER · conversational
12.5%
Finalize
102ms
p50–p90 · us-east4 · n=30
Time to first token
1.16s
p50–p90 · us-east4
Cost / min
$0.0090
Ink-2 bills 3 credits/sec on Pro, the cheapest paid plan; $0.0071 at Startup, $0.0067 at Scale. The 1 credit/sec rate is Ink-Whisper, a different model.
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