Eleven v4 vs TTS-1: price, context and capabilities

Choose TTS-1 for the lowest price; on the other points the two are level or the data is missing.

In short

  • TTS-1 is 81% cheaper than Eleven v4 at the headline price ($15.00 / 1M characters vs $80.00 / 1M characters).

Open in the full comparison table

Which should you choose?

Each answer below comes straight from the published prices, specifications and independent benchmark results.

Lowest price

Choose TTS-1

TTS-1 costs $15.00 / 1M characters, against $80.00 / 1M characters for Eleven v4.

Monthly cost at three volumes

VolumeEleven v4TTS-1Difference
1 million characters $80.00 $15.00 TTS-1, $65.00 less
10 million characters $800.00 $150.00 TTS-1, $650.00 less
100 million characters $8,000 $1,500 TTS-1, $6,500 less

Standard rates, without caching or batch discounts. Volumes are per month.

Specifications side by side

Eleven v4TTS-1
ProviderElevenLabsOpenAI
CategoryText to speechText to speech
StatusGenerally availableDeprecated
Headline price$80.00 / 1M characters$15.00 / 1M characters
Context windowNo dataNo data
Max outputNo dataNo data
ReleasedNo dataNovember 2023
Knowledge cutoffNo dataNo data
LicenceProprietaryProprietary
CapabilitiesNo dataNo data
API model idtts-1

Frequently asked questions

Should I choose Eleven v4 or TTS-1?

Choose TTS-1 for the lowest price; on the other points the two are level or the data is missing.

Which is cheaper, Eleven v4 or TTS-1?

TTS-1 is 81% cheaper than Eleven v4 at the headline price ($15.00 / 1M characters vs $80.00 / 1M characters).

What is the difference between Eleven v4 and TTS-1?

Eleven v4 is made by ElevenLabs and TTS-1 by OpenAI. TTS-1 is 81% cheaper than Eleven v4 at the headline price ($15.00 / 1M characters vs $80.00 / 1M characters).