---
title: "stt-async-v4 - Model Details & Comparison"
description: "stt-async-v4 from Soniox: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/soniox/stt-async-v4"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/soniox/stt-async-v4.md"
---

# stt-async-v4 - Model Details & Comparison

> stt-async-v4 from Soniox: capabilities, context limits, pricing, and side-by-side comparisons with alternative models.

## Important Links

- [View MCP Gateway](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources/mcp-gateway.md)
- [Features](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/#features)
- [Enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise)
- [Pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md)
- [Docs](https://docs.getbifrost.ai)
- [GitHub](https://github.com/maximhq/bifrost)
- [Book a Demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo)

## About stt-async-v4

stt-async-v4 is an audio transcription model from Soniox. It is priced at $0.0000 per second of audio. stt-async-v4 supports audio input.

## Specifications

- **Soniox Provider.**
- **Audio Transcription Mode.**
- **8,000 Max Output Tokens.**
- **8,000 Max Tokens.**

## Capabilities

stt-async-v4 supports: Audio Input.

## stt-async-v4 Pricing Overview

stt-async-v4 is a audio transcription model from Soniox, with support for audio input.

## Models to Compare

Alternatives to stt-async-v4 with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| gpt-realtime-whisper | Azure | - | - |
| gpt-realtime-whisper | OpenAI | - | - |
| best | AssemblyAI | - | - |
| nano | AssemblyAI | - | - |
| gpt-4o-mini-transcribe | Azure | $1.25 | $5.00 |

- [Compare gpt-realtime-whisper](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-realtime-whisper.md)
- [Compare gpt-realtime-whisper](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openai/gpt-realtime-whisper.md)
- [Compare best](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/assemblyai/best.md)
- [Compare nano](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/assemblyai/nano.md)
- [Compare gpt-4o-mini-transcribe](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-4o-mini-transcribe.md)

## Related Resources

- [Calculate stt-async-v4 costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/soniox/model/stt-async-v4.md)
- [All Soniox pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/soniox.md)

## FAQ

### What are the best alternatives to stt-async-v4?

The most comparable audio transcription models to stt-async-v4 are: gpt-realtime-whisper from Azure; gpt-realtime-whisper from OpenAI; best from AssemblyAI; nano from AssemblyAI. These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.

### How do I calculate stt-async-v4 costs?

stt-async-v4 is priced based on audio seconds. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected audio seconds volume and the calculator will show the total cost breakdown.

## Related Resources

- [Soniox models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/soniox.md)
- [Model library](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library.md)
- [LLM cost calculator](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator.md)
- [Docs: Bifrost docs](https://docs.getbifrost.ai)
- [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost)
- [Pricing: Bifrost pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md)
- [Enterprise: Bifrost enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise)
- [Book a Demo: Bifrost demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo)
- [Resources: Bifrost resources](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources.md)

---

*This is a markdown version of [https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/soniox/stt-async-v4](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/soniox/stt-async-v4) for AI/LLM consumption.*