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

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

In short

  • TTS-1 HD is 63% cheaper than Eleven v4 at the headline price ($30.00 / 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 HD

TTS-1 HD costs $30.00 / 1M characters, against $80.00 / 1M characters for Eleven v4.

Monthly cost at three volumes

VolumeEleven v4TTS-1 HDDifference
1 million characters $80.00 $30.00 TTS-1 HD, $50.00 less
10 million characters $800.00 $300.00 TTS-1 HD, $500.00 less
100 million characters $8,000 $3,000 TTS-1 HD, $5,000 less

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

Specifications side by side

Eleven v4TTS-1 HD
ProviderElevenLabsOpenAI
CategoryText to speechText to speech
StatusGenerally availableDeprecated
Headline price$80.00 / 1M characters$30.00 / 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-hd

Frequently asked questions

Should I choose Eleven v4 or TTS-1 HD?

Choose TTS-1 HD 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 HD?

TTS-1 HD is 63% cheaper than Eleven v4 at the headline price ($30.00 / 1M characters vs $80.00 / 1M characters).

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

Eleven v4 is made by ElevenLabs and TTS-1 HD by OpenAI. TTS-1 HD is 63% cheaper than Eleven v4 at the headline price ($30.00 / 1M characters vs $80.00 / 1M characters).