Calculate the cost of using tts-1 from Azure for your AI applications
Pricing data last updated:
Mode: Audio speech
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tts-1 is an audio speech model from Azure, one of 3 audio speech models they offer. It is priced at $15.00 per 1M input tokens, ranking 7 out of 8 audio speech models by cost and cheaper than 13% of models in this category.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
At $15.00 per 1M input tokens, tts-1 ranks 7 out of 8 audio speech models by input cost. It is more expensive compared to the median of $2.50 for audio speech models, and is cheaper than 13% of models in this category.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs tts-1 |
|---|---|---|---|---|
| gemini-2.5-flash-preview-tts | Google Gemini | $0.50 | $10.00 | -97% |
| gpt-4o-mini-tts | OpenAI | $2.50 | $10.00 | -83% |
| gpt-4o-mini-tts-2025-03-20 | OpenAI | $2.50 | $10.00 | -83% |
Similar audio speech models from other providers
No. tts-1 costs $15.00 per 1M input tokens while gemini-2.5-flash-preview-tts costs $0.50 per 1M input tokens, making gemini-2.5-flash-preview-tts 97% more affordable for input. However, tts-1 may offer different capabilities or performance characteristics that justify the price difference.
tts-1 input pricing is $15.00 per 1M tokens, which is 500% above the median of $2.50 for audio speech models. It ranks 7 out of 8 audio speech models by input cost, making it cheaper than 13% of models in this category.
Among Azure's 3 audio speech models, tts-1 ranks 2 by input cost.
The most comparable audio speech models to tts-1 are: gemini-2.5-flash-preview-tts from Google Gemini ($0.50/1M input tokens); gpt-4o-mini-tts from OpenAI ($2.50/1M input tokens); gpt-4o-mini-tts-2025-03-20 from OpenAI ($2.50/1M input tokens); gpt-4o-mini-tts-2025-12-15 from OpenAI ($2.50/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.
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tts-1 is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown.
