Calculate the cost of using gemini-3.1-flash-tts-preview from Google Gemini for your AI applications
Pricing data last updated:
Mode: Audio speech
Max: 8,192 tokens
Max: 16,384 tokens
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gemini-3.1-flash-tts-preview is an audio speech model from Google Gemini, one of 2 audio speech models they offer. It is priced at $1.00 per 1M input tokens and $20.00 per 1M output tokens, ranking 6 out of 9 audio speech models by cost and cheaper than 22% of models in this category. It accepts up to 8K input tokens.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
Use the maximum token limits shown above to understand the model's capacity. This model can handle up to 8,192 input tokens. The maximum output length is 16,384 tokens.
At $1.00 per 1M input tokens and $20.00 per 1M output tokens, gemini-3.1-flash-tts-preview ranks 6 out of 9 audio speech models by input cost. It is more expensive compared to the median of $0.60 for audio speech models, and is cheaper than 22% of models in this category.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs gemini-3.1-flash-tts-preview |
|---|---|---|---|---|
| gemini-3.1-flash-tts-preview | Vertex AI | $1.00 | $20.00 | 0% |
| gpt-4o-mini-tts | Azure | $0.60 | $10.00 | -40% |
| gpt-4o-mini-tts | OpenAI | $0.60 | $10.00 | -40% |
Similar audio speech models from other providers
No. gemini-3.1-flash-tts-preview costs $1.00 per 1M input tokens while gemini-3.1-flash-tts-preview costs $1.00 per 1M input tokens, making gemini-3.1-flash-tts-preview 0% more affordable for input. However, gemini-3.1-flash-tts-preview may offer different capabilities or performance characteristics that justify the price difference.
gemini-3.1-flash-tts-preview input pricing is $1.00 per 1M tokens, which is 67% above the median of $0.60 for audio speech models. It ranks 6 out of 9 audio speech models by input cost, making it cheaper than 22% of models in this category. For output, it costs $20.00 per 1M tokens compared to the median of $10.00.
Among Google Gemini's 2 audio speech models, gemini-3.1-flash-tts-preview ranks 2 by input cost.
The most comparable audio speech models to gemini-3.1-flash-tts-preview are: gemini-3.1-flash-tts-preview from Vertex AI ($1.00/1M input tokens); gpt-4o-mini-tts from Azure ($0.60/1M input tokens); gpt-4o-mini-tts from OpenAI ($0.60/1M input tokens); gpt-4o-mini-tts-2025-12-15 from OpenAI ($0.60/1M 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.
gemini-3.1-flash-tts-preview 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. For reference, processing 1M input tokens costs $1.00 and generating 1M output tokens costs $20.00.