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Qwen3 ASR Flash vs Nova-3

2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Qwen3 ASR Flash leads on raw accuracy; Qwen3 ASR Flash is fastest; Nova-3 covers the most languages; Qwen3 ASR Flash is cheapest.

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Verdict · who wins what

Most accurate

Qwen3 ASR Flash

12.3% WER

Alibaba (Qwen)

Fastest

Qwen3 ASR Flash

0.1× realtime

Alibaba (Qwen)

Most languages

Nova-3

47 languages

Deepgram

Cheapest

Qwen3 ASR Flash

$0.0021/min

Alibaba (Qwen)

Comparing

2 models · same benchmark

1

Batch

Qwen3 ASR Flash

Alibaba (Qwen)

$0.0021/min
#5 · 69.1

Alibaba Qwen3-ASR Flash — multilingual batch transcription (25+ languages) with word-level timestamps and automatic language detection, served from Model Studio (Singapore). Handles files up to 12 hours.

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2

Batch & Realtime

Nova-3

Deepgram

$0.0077/min
#29 · 71.1

Deepgram's flagship model — 53% lower WER vs competitors, code-switching support

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Overview

30-day benchmark average

Overall score

0–100

69.1

71.1

Accuracy rank

of 35

#5

#29

Word error rate

WER

12.3%

21.0%

Character error rate

CER

7.4%

11.5%

Match error rate

MER

11.2%

20.0%

Word info lost

WIL

14.3%

25.8%

Languages

25

47

Cost vs. accuracy

overall WER vs price

Nova-3

Qwen3 ASR Flash

field · 33 models

lower-left is better

Accuracy by category

WER · lower is better

code_switching

18.4%
63.0%

conversational

9.7%
12.2%

finance

6.0%

Accuracy by accent

WER · English

african

24.6%
26.2%

australian

13.9%
15.4%

indian

20.6%

Speed & latency

p50 → p99

Processing speed

× realtime

0.1×

0.1×

Latency p50

7.0s

1.3s

Latency p90

7.0s

1.8s

Realtime / streaming

Streaming benchmark averages

Realtime rank

of 17

—

#3

Realtime score

0–100

—

78.2

Time to first word

—

973ms

Reliability

Rolling 30 days

Uptime

100.00%

100.00%

Error rate

0.00%

0.00%

Pricing

billed per second

Rate

per minute

$0.0021

$0.0077

Billing granularity

per 1s

per 1s

1 hour of audio

$0.13

$0.46

100 hours

Capabilities

Feature support

Speaker diarization

No

Yes

Word-level timestamps

Yes

Yes

Code-switching

No

Coverage & deployment

Languages · formats · regions

Languages

25

47

Mode

Batch

Batch & Realtime

Region

Singapore

United States

Audio formats

9.5%

general

11.3%
23.4%

legal

3.6%
3.8%

medical

7.0%
9.5%

noisy

29.2%
21.8%

technical

4.0%
2.8%
27.0%

uk

1.5%
6.0%

us

1.9%
11.3%

Latency p99

7.0s

1.8s

Final drain

—

181ms

Real-time factor

—

1.01×

Flicker

—

9.6%

Cadence

—

0.8/s

$12.60

$46.08

1,000 hours

$126.00

$460.80

Yes

Auto-detect language

Yes

Yes

Live / streaming

No

Yes

Custom vocabulary

No

Yes

mp3
wav
flac
m4a
ogg
webm
aac
amr
mp3
wav
flac
m4a
ogg
webm

Max file size

2 GB

2 GB

Max duration

12 h

No limit

Compliance

—

HIPAA
SOC2
GDPR

Frequently asked questions

Is Qwen3 ASR Flash or Nova-3 more accurate?

Qwen3 ASR Flash is more accurate, with a 12.3% word error rate versus 21.0% for Nova-3, on our standardized benchmark.

Which is cheaper, Qwen3 ASR Flash or Nova-3?

Qwen3 ASR Flash is cheaper at $0.0021/min versus $0.0077/min for Nova-3.

Should you choose Qwen3 ASR Flash or Nova-3?

Choose Qwen3 ASR Flash for accuracy, speed, and lower cost; choose Nova-3 for language coverage.