# Hume Audio Decisions API pricing and access

> Hume Audio Decisions API answers questions about sound with probabilities. Its listed price is $0.47 per million input tokens; answers are free.

Updated 2026-11-04 (Australia/Adelaide)

By Hume AI · Released: 2026-11-02 · HOSTED

Hume's hosted model answers questions about speech and sound with probabilities. Send one MP3 or WAV recording, 5 seconds to 5 minutes long, with questions in plain language. It supports yes/no, choice, score and time-span answers, and returns no transcript. Hume says the probabilities estimate how human raters would respond.

## Facts

- Access: Playground; request API access through Hume's waitlist
- Inputs: One MP3 or WAV per request, 5 seconds to 5 minutes; the model hears 16 kHz mono audio
- Price: $0.47 per million input tokens (audio, questions and context); answers not billed. Hume's billing docs, checked 03 Nov 2026 · [Compare prices](<https://decisionmodels.ai/pricing>)
- SDKs: Python hume-audio-decisions and TypeScript @humeai/audio-decisions; Python SDK code MIT

## Claims and sources

- **VENDOR-REPORTED**: Hume reports 70.7% agreement with a human panel's average judgment, against 56.5% for an individual-rater baseline, in its initial evaluation. [source](<https://www.hume.ai/blog/introducing-hume-audio-decision-api>)
- **VENDOR-REPORTED**: On Hume's product-page chart, its model averages 0.82 across 10 benchmarks at 0.23 seconds median latency per screen. The chart gives Gemini 3.8 Flash 78%, Qwen3.8-Omni-Flash 76% and Inkling-Small 67%; it names MMAU, ParaPair and EmphAssess among the benchmarks. [source](<https://www.hume.ai/products/decision-model-api>)

## Links

- [Source: Announcement](<https://www.hume.ai/blog/introducing-hume-audio-decision-api>)
- [Source: Product and playground](<https://www.hume.ai/products/decision-model-api>)
- [Source: Docs](<https://dev.hume.ai/audio-decisions/docs/overview>)
- [Source: Billing](<https://dev.hume.ai/audio-decisions/docs/billing>)
- [Source: Audio preparation](<https://dev.hume.ai/audio-decisions/docs/preparing-your-audio>)
- [Source: Launch changelog](<https://dev.hume.ai/audio-decisions/changelog/2026/11/2.md>)
- [Source: Python SDK](<https://github.com/HumeAI/hume-audio-decisions-python-sdk>)

## Related projects

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