Speech model
Gemini 3.1 Flash TTS Preview
google/gemini-3.1-flash-tts-preview
google/gemini-3.1-flash-tts-preview is a text-to-speech model from Google you can call on the OceanToken API at $0.001 per 1,000 characters.
At a glance
| Model ID | google/gemini-3.1-flash-tts-preview |
|---|---|
| Type | Speech |
| Publisher | |
| Price | $0.001 per 1,000 characters of input text |
| Endpoint | /v1/audio/speech |
| API shape | OpenAI-compatible |
| In the catalog since | 2026-04-24 |
Call it
Base URL https://api.oceantoken.ai/v1, your OceanToken key as the bearer token, and the model ID above as model. The OpenAI SDKs work unchanged; see your first request.
curl https://api.oceantoken.ai/v1/audio/speech \
-H "Authorization: Bearer $OCEANTOKEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "google/gemini-3.1-flash-tts-preview", "input": "Welcome to OceanToken."}' --output speech.mp3
Compared with similar models
Speech models on OceanToken closest to google/gemini-3.1-flash-tts-preview in price. Every price is what you pay, in US dollars, with no platform fee on top.
| Model | Publisher | Context | Price (per 1K characters) |
|---|---|---|---|
| Gemini 3.1 Flash TTS Preview | $0.001 | ||
Kokoro 82Mhexgrad/kokoro-82m | Hexgrad | $0.00062 | |
Orpheus 3B 0.1 Ftcanopylabs/orpheus-3b-0.1-ft | Canopylabs | $0.007 | |
Csm 1Bsesame/csm-1b | Sesame | $0.007 |
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google/gemini-2.5-flash-lite - Gemini 2.5 Pro
google/gemini-2.5-pro - Gemini 2.5 Pro Preview
google/gemini-2.5-pro-preview - Gemini 3 Flash Preview
google/gemini-3-flash-preview - Gemini 3 Pro Image
google/gemini-3-pro-image
All Google models on OceanToken
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Prices and capabilities on this page were read from the live OceanToken catalog on 2026-10-18 (UTC), when the documentation was built. If a price has changed since, the console's Models page shows the current one.