Inworld Realtime TTS 1.5 Mini API

Ultra-fast, cost-efficient text-to-speech with approximately 120ms latency and 15-language support.

Provider: Inworld | Model ID: inworld-tts-1-5-mini | Context Window: 2K tokens

Token Pricing

₹3.77/1K characters. Pay-as-you-go micro-metered token billing. UPI and cards accepted with zero minimum commitment.

Token TypePrice (INR)
Input TokensUsage-based
Output TokensUsage-based
Prompt Caching InputStandard input rate

OpenAI-Compatible Integration

Directly drop into existing OpenAI SDK code by updating the base URL to https://api.luminoai.co.in/v1.

curl https://api.luminoai.co.in/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $LUMINO_API_KEY" \
  -d '{
    "model": "inworld-tts-1-5-mini",
    "messages": [
      {"role": "system", "content": "You are a helpful assistant."},
      {"role": "user", "content": "Explain KV cache in 2 sentences."}
    ]
  }'

Model Specifications

Model Identifierinworld-tts-1-5-mini
ProviderInworld
Categoryspeech
Context Window2K tokens
API ProtocolOpenAI-compatible REST API (JSON)
Endpointhttps://api.luminoai.co.in/v1/chat/completions

Explore all models in catalog | API Documentation | Test Inworld Realtime TTS 1.5 Mini in Playground