Text-to-speech · DeepInfra

Csm 1b

Canonical id: sesame/csm-1b · /v1/audio/speech

Text in → Audio out

Try it in the playground

Price

$7 / 1M characters

per 1M input characters

+ LLMRouter platform fee: 1% of provider cost (≈ $0.07) — billed as its own line, never blended into the price above.

API

curl https://api.llmrouter.sh/v1/audio/speech \
  -H "Authorization: Bearer llmr_sk_..." \
  -H "Content-Type: application/json" \
  -d '{"model": "sesame/csm-1b", "input": "Hello from LLMRouter", "voice": "alloy"}' \
  --output speech.mp3