# GPT-4o Audio: AI model fact sheet

- **Provider:** openai
- **Released:** 2025-03-20
- **Context window:** 128,000 tokens
- **API pricing:** $2.50 / 1M input, $10.00 / 1M output
- **OpenRouter ID:** openai/gpt-4o-audio-preview
- **Capabilities:** text-to-speech, audio-generation, conversation

GPT-4o with audio input support. Detects nuances within audio recordings and adds depth to generated user experiences. Processes both text and audio prompts.

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/gpt-4o-audio-preview