Key facts
- Provider
- OpenAI
- Model family
- OpenAI TTS
- Release date
- Not reported
- Status
- Current
- Access
- API only
- API model id
- Not reported
- Context window
- Not reported
- Max output
- Not reported
- Input
- text
- Output
- audio
- Task families
- audio
- Declared capabilities
- text to speech
TTS-1 pricing
Independent benchmark results
Scores come from independent evaluators that ran the model themselves, pinned to a dated snapshot. Rank is among current models in the same snapshot. OpenAI's own launch figures are listed under strengths with the publisher named, because they are not measured the same way.
No independent benchmark has published a result for TTS-1 yet. It is still compared below on price, context and capabilities.
Strengths, cautions and best uses
Strengths
- OpenAI documents TTS-1 for realtime text-to-speech use cases
Cautions
- No exact compatible public benchmark snapshot is recorded
Best for
- Low-latency text-to-speech
Alternatives to TTS-1
The closest current audiomodels by price. The cheapest model that scores as well or better is listed first; failing that, the cheapest one within 3% of the benchmark's scale.
Eleven Flash v2.5
- From ElevenLabs
Eleven Multilingual v2
- From ElevenLabs
Gemini 3.1 Flash Live Preview
- From Google
Gemini 3.1 Flash TTS Preview
- From Google
TTS-1 FAQ
Is TTS-1 open source or API only?
TTS-1 is available through OpenAI's API only; its weights are not published.
What are the best alternatives to TTS-1?
The closest current alternatives by price and measured performance are Eleven Flash v2.5 (from ElevenLabs), Eleven Multilingual v2 (from ElevenLabs), Gemini 3.1 Flash Live Preview (from Google) and Gemini 3.1 Flash TTS Preview (from Google).
Sources
- TTS-1 model · OpenAI · official · verified August 10, 2026
Cite this page
Van Data Team. "TTS-1 Benchmarks, Pricing and Specs." AI Model Benchmark Dataset 2026-10-12. https://vandatateam.com/ai-model-benchmarks/tts-1
Reuse the data: JSON · CSV · or explore every model in the AI model benchmark comparison.
Production evaluation
Deciding whether TTS-1 fits your workload?
Public benchmarks narrow the shortlist. We test the finalists on your own tasks, data and cost limits, then build the routing and review controls to run the winner in production.
- Evaluation cases and acceptance thresholds tied to real work
- Model routing, fallbacks and cost controls