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gemini-3.1-flash-tts-preview Cost Calculator - OpenRouter

Calculate the cost of using gemini-3.1-flash-tts-preview from OpenRouter for your AI applications

gemini-3.1-flash-tts-preview Cost Calculator

Mode: Chat

Max: 8,192 tokens

Cost Breakdown

Input Cost$0.001000
Output Cost$0.020000
Total Cost$0.021000

Pricing Details

Input: $0.00000100 per token
Output: $0.00002000 per token
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Model Specifications

Limits

Max Input Tokens8,192
Max Tokens8,192

About gemini-3.1-flash-tts-preview

gemini-3.1-flash-tts-preview is a powerful chat AI model offered by OpenRouter. This comprehensive guide provides detailed pricing information, technical specifications, and capabilities to help you understand the costs and features of using gemini-3.1-flash-tts-preview in your applications.

Pricing Information

Input Cost$1.00 per 1M tokens
Output Cost$20.00 per 1M tokens

Note: Use the interactive calculator above to estimate costs for your specific usage patterns.

Technical Specifications

Maximum Input Tokens8,192
Maximum Total Tokens8,192

Pro Tip

Use the maximum token limits shown above to understand the model's capacity. This model can handle up to 8,192 input tokens.

Model Capabilities

✓Response Schema - Structured output formatting
When should you use gemini-3.1-flash-tts-preview?

gemini-3.1-flash-tts-preview is best suited for the following scenarios:

  • Text-to-speech (TTS) voice assistants and narration
  • IVR systems and customer support voice responses
  • Generating spoken audio from short scripts or prompts
When should you avoid gemini-3.1-flash-tts-preview?
  • General-purpose chatbots or long-form text generation
  • Document RAG pipelines (use an embedding or chat model instead)
  • Complex reasoning or tool-heavy agent workflows
How does gemini-3.1-flash-tts-preview compare to similar models?

This is a specialized text-to-speech model. When comparing similar options, focus on voice quality, latency, supported languages/voices, and how pricing is split between prompt tokens and audio duration (seconds). It is typically a better fit for voice UX than general chat models.

Understanding gemini-3.1-flash-tts-preview pricing
  • gemini-3.1-flash-tts-preview is a text-to-speech (TTS) model provided by OpenRouter.
  • Input tokens are priced at $1.00 per 1M tokens.
  • Output tokens are priced at $20.00 per 1M tokens.
  • The model supports a maximum input capacity of 8,192 tokens.
  • For this model, input tokens are less expensive than output tokens, so optimizing your prompts can help manage costs.
  • OpenRouter offers gemini-3.1-flash-tts-preview for text-to-speech (TTS) workloads, voice assistants, narration, and audio response generation.

How to Use This Calculator

Step 1: Enter the number of input tokens you expect to use. Input tokens include your prompt, system messages, and any context you provide to the model.

Step 2: Specify the number of output tokens you anticipate. Output tokens are the text generated by the model in response to your input.

Step 3: Review the cost breakdown to see the total estimated cost for your usage. The calculator automatically updates as you adjust the token counts.