How fast is SpeechifyAI Simba 3.0?

Coval measures a median time to first audio of 100.5 ms and a P95 of 149.4 ms for SpeechifyAI Simba 3.0, over 30 days from the US East in English (Fast enough tier).

How much does SpeechifyAI Simba 3.0 cost?

The benchmarks print a list price of $6.60 to $10 per million characters for SpeechifyAI Simba 3.0.

Which languages was SpeechifyAI Simba 3.0 tested in?

Artificial Analysis or Speko tested SpeechifyAI Simba 3.0 in French, German, Portuguese, Spanish.

Speechify · Proprietary · Read 2026-10-27

SpeechifyAI Simba 3.0: latency, voice quality, price and languages

Rank: 5 / 23
Speed tier: Fast enough
P95: 149.4 ms
Price / 1M chars: $6.60 to $10

SpeechifyAI Simba 3.0 is a proprietary text-to-speech model from Speechify. Coval measures a median of 100.5 ms and a P95 of 149.4 ms to first audio, which puts it in the Fast enough speed tier, rank 5 of 23 in the multilingual ranking. Artificial Analysis or Speko tested it in 4 languages.

This summary is generated from the measures below; it is not a vendor description. Measures a source does not hold are shown as n/a and are never estimated.

Speed (Coval, 30 days, US East, English)

Speed tier	Fast enough
Median time to first audio	100.5 ms
P90	134.0 ms
P95	149.4 ms
Mean	111.2 ms
Standard deviation	83.1 ms
Calls in the window	2,805
Cekura median, streamed text	n/a
Cekura median, full text	n/a

Voice quality (never added together)

Listener Elo (Artificial Analysis)	1,116 ±11
Customer-service Elo (Artificial Analysis)	1,130 ±25
Naturalness (Speko)	n/a
Naturalness estimate (Cekura, 1 to 5)	n/a

Accuracy

Reading accuracy (Cekura)	n/a
Numbers (Cekura)	n/a
Codes (Cekura)	n/a
Context (Cekura)	n/a
Medical terms (Cekura)	n/a
Hard passages judged correct (Artificial Analysis)	n/a
Numbers and dates (Speko score)	n/a
Word error rate (Coval)	1.6%

Price per 1 million characters

Range across sources	$6.60 to $10
Artificial Analysis	$6.60
Speko	n/a
Coval	$10
Cekura	n/a

Coverage

Access	Proprietary
Streaming	Measured
Coval tags	emotion-control, multilingual, voice-cloning
Rated for	Knowledge sharing, Assistants, Entertainment, Customer service, Voice agents
Languages tested	French, German, Portuguese, Spanish

Not collected

Naturalness (Speko naturalness): not measured by Speko (reading of 2026-10-27)
Numbers and dates (Speko pronunciation score): not measured by Speko (reading of 2026-10-27)

Sources

https://artificialanalysis.ai/text-to-speech/leaderboard/provider-voice (read 2026-10-27)
https://benchmarks-api-6wxgp27p2a-ue.a.run.app/v1/results/aggregates?benchmark=TTS&window=30d&include_series=false (read 2026-10-27)
Vendor site: https://speechify.ai/

Keep exploring

Frequently asked questions

How fast is SpeechifyAI Simba 3.0?: Coval measures a median time to first audio of 100.5 ms and a P95 of 149.4 ms for SpeechifyAI Simba 3.0, over 30 days from the US East in English (Fast enough tier).
How much does SpeechifyAI Simba 3.0 cost?: The benchmarks print a list price of $6.60 to $10 per million characters for SpeechifyAI Simba 3.0.
Which languages was SpeechifyAI Simba 3.0 tested in?: Artificial Analysis or Speko tested SpeechifyAI Simba 3.0 in French, German, Portuguese, Spanish.