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Apixly · API pricing

gemini-3.8-flash-tts

gemini-3.8-flash-tts · Audio. Text to speech through the native Gemini API. Synchronous requests return WAV; streaming returns PCM. Billed separately for text input tokens and audio output tokens. Use a gemini aistudio group key.

TTSNative GeminiWAVStreaming PCM

Gateway price for gemini-3.8-flash-tts ↓

API integration · Audio

Choose the documented audio operation for this model: speech synthesis and transcription have different inputs and outputs. Check the model list, voices or file formats in the audio guide before starting.

Request model ID
gemini-3.8-flash-tts
Public groups
gemini aistudio

Create an Apixly API key, bind a group that lists this exact model, and keep the key in a server-side environment variable. Public prices exclude personal discounts; check the selected group before sending a request.

Check model access first

Run this read-only catalog request to inspect the exact model entry visible to your API key. Confirm its group, then follow the operation guide and verify a completed output and actual usage.

curl --fail-with-body --max-time 30 'https://apixly.ai/v1/models' -H "Authorization: Bearer $APIXLY_API_KEY" | python3 -c 'import json, sys
models = json.load(sys.stdin).get("data", [])
wanted = "gemini-3.8-flash-tts"
match = next((item for item in models if item.get("id") == wanted), None)
if match is None: raise SystemExit("Model not listed for this key; check its bound groups")
print(json.dumps(match, ensure_ascii=False, indent=2))'

Use the model-specific parameters in the linked guide. For asynchronous jobs, keep the returned task ID, poll that same task to a terminal state and verify the downloadable result. Reconcile a timed-out request before submitting another paid job.

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Providers

gemini aistudio
Input/ 1M tokens
Official$0.5$0.25
Output/ 1M tokens
Official$9$4.5
50% off

/ 1M tokens

Channel: gemini aistudio

Use this provider

Official prices and discounts use the same billing unit and tier.

Each price shows its own billing unit. Input, output, cache and reference media are charged separately where listed.