GPT-4o Mini TTS API Pricing

GPT-4o Mini TTS pricing by provider

4 listings across 2 providers. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

Other GPT-4o Mini TTS prices on OpenAI

GPT-4o Mini TTS features

Input: text, audio. Output: audio.

Use GPT-4o Mini TTS with LiteLLM

Call GPT-4o Mini TTS through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/audio/speech. LiteLLM tracks the cost of every request at these prices.

from litellm import speech

response = speech(
    model="gpt-4o-mini-tts",
    input="Hello from LiteLLM",
    voice="alloy",
)

model_list:
  - model_name: gpt-4o-mini-tts
    litellm_params:
      model: gpt-4o-mini-tts
      api_key: os.environ/OPENAI_API_KEY

curl http://0.0.0.0:4000/v1/audio/speech \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "gpt-4o-mini-tts",
    "input": "Hello from LiteLLM",
    "voice": "alloy"
  }'

GPT-4o Mini TTS FAQ

More OpenAI models

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• GPT-4o Mini Transcribe$0.003 per minute
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• GPT-4o Mini Search Preview$0.15 / $0.60 per 1M tokens
• GPT-4o Search Preview$2.50 / $10 per 1M tokens
• GPT-4o Mini Audio Preview$0.15 / $0.60 per 1M tokens
• GPT-4o Mini Realtime Preview$0.60 / $2.40 per 1M tokens
• GPT-4o Realtime Preview$5 / $20 per 1M tokens