Alvoff Inference - Fast, cheap STT · TTS

OpenAI-compatible STT, TTS & embeddings at a fraction of the price

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Updated Jul 2026 · Added Jul 2026

inference.alvoff.ai

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What is Alvoff Inference Fast Cheap Stt Tts?

Alvoff Inference provides fast, affordable speech-to-text, text-to-speech, and embedding models through an OpenAI-compatible API. It uses self-hosted Whisper, Kokoro, and Qwen models with transparent per-request pricing and no subscriptions. Developers can swap their base URL and keep existing code, paying only for what they use, making it ideal for cost-conscious teams building voice and embedding features.

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Key Features of Alvoff Inference Fast Cheap Stt Tts

OpenAI-compatible API
Speech-to-text (Whisper) transcription
Text-to-speech with multiple voices (Kokoro)
Embedding generation (Qwen)
Chat and code generation
Self-hosted infrastructure
Pay-as-you-go pricing
Transparent per-request billing
INR and USD billing support
Free credits on signup
No credit card required
No subscription or minimums

Who Should Use Alvoff Inference Fast Cheap Stt Tts?

Build voice applications with STT/TTS

Generate semantic embeddings for RAG and search

Add natural speech synthesis to applications

Transcribe audio in multiple languages

Develop code generation features

Reduce API costs for speech and embedding workloads

Alvoff Inference Fast Cheap Stt Tts: Pros & Cons

✓Pros

OpenAI-compatible so minimal code changes needed
Transparent pricing with no hidden markups
Self-hosted eliminates third-party rate limits
Free credits on signup with no card required
Multilingual speech-to-text support
Low-latency text-to-speech
Supports both INR and USD billing
No subscriptions or minimums

Frequently Asked Questions about Alvoff Inference Fast Cheap Stt Tts

Can I swap Alvoff in for OpenAI's API without rewriting my code?

Yes. Alvoff Inference uses an OpenAI-compatible API, so you can change your base URL and keep your existing client code intact. This means you can test Alvoff's pricing against OpenAI's without a migration project.

What happens when my free ₹500 signup credits run out?

You pay per request with no subscription or minimum spend required. Speech-to-text costs $0.0251 per hour of audio, text-to-speech is $0.419 per million characters, and embeddings are $0.0063 per million tokens. Alvoff bills transparently per request, so you only pay for what you use.

Does Alvoff Inference support languages other than English for speech-to-text?

Yes. Alvoff uses Whisper for transcription, which handles multiple languages. The exact list of supported languages is not published on their overview, so check their documentation or API reference for the full breakdown.

How many different voices are available for text-to-speech?

Alvoff uses Kokoro for text-to-speech synthesis, but the exact number of voice options is not specified in their public materials. Visit their site or API docs to see the voice catalog before you commit to a voice selection.