Model detail
tts
Model specs
- Context length
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- Max output
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- I/O modalities
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- Released
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API endpoints
One MixRoute gateway, OpenAI-compatible
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OpenAI-compatible
/v1/chat/completionsPOST
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Pricing
Flat rate, unit: /1M Tokens
Input
$75.0000 /1M Tokens
Completion
$75.0000 /1M Tokens
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Selection summary
Quickly judge whether it fits your workload
What is this model good for?
Standard text-to-speech with natural voice output
Use tts for converting text to natural-sounding spoken audio. It is OpenAI's standard text-to-speech model suitable for general-purpose voice synthesis.
What should you check before using it?
Consider tts-hd for higher quality or GPT-4o Mini TTS
tts-hd offers higher quality output. GPT-4o Mini TTS is built on a more advanced architecture. Test your text to find the best voice quality for your use case.
Why use it through MixRoute?
Use the compatible endpoint with stable model ID
Use the confirmed compatible endpoint with model ID tts through MixRoute.
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Token cost estimator
Live estimate from this page's pricing, not an actual bill
This model has no cache-read price; caching is not counted
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FAQ
tts is OpenAI’s standard text-to-speech model that converts text to natural-sounding spoken audio. It is suitable for general-purpose voice synthesis.
One endpoint, a testable decision
Test this model and alternate routes with the same request format
Start from a real workload, then let quality, total cost, and failure conditions decide whether to send production traffic.