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MiniMax · Voice model

Speech 2.8 Turbo

minimax/speech-2.8-turbo
  • Voice
Released Jul 16, 2026

MiniMax Speech 2.8 Turbo is a text-to-speech model from MiniMax. It is suited for applications that generate spoken audio from text and accepts arbitrary MiniMax voice IDs.

Specifications

Input
text, up to 20,000 characters per call
Output
mp3 (default) or raw pcm
Voice
provider voice ids via `voice`; omitted = the provider's default when it has one
Billing
per character of input text

Use it

POST /api/v1/audio/speech · MCP speak · full reference

curl https://omnirail.org/api/v1/audio/speech \
  -H "Authorization: Bearer $OMNIRAIL_KEY" -H "Content-Type: application/json" \
  -d '{"model":"minimax/speech-2.8-turbo","input":"Hello from OmniRail. Every model, one key.","response_format":"mp3"}' \
  --output hello.mp3