Audio-Language Models — Qwen2.5-Omni, Audio Flamingo, GPT-4o Audio

2026 audio-language models reason over speech + environmental sound + music. Qwen2.5-Omni-7B matches GPT-4o Audio on MMAU-Pro. Audio Flamingo Next beats Gemini 2.5 Pro on LongAudioBench. The gap between open and closed is essentially closed — except on multi-audio tasks, where everyone is near random.

Learn 45 min Python

Prerequisites: Phase 6 · 04 (ASR), Phase 12 · 03 (Vision-Language Models), Phase 7 · 10 (Audio Transformers)

#The Problem

You have 5 seconds of audio: dog barks, someone yells "stop!", then silence. Useful questions span multiple axes:

  • Transcription. "What was said?" — ASR territory.
  • Semantic reasoning. "Is the person in danger?" — requires joint understanding of the bark + yell + silence.
  • Music reasoning. "What instruments play the melody?"
  • Long-audio retrieval. "Where in this 90-minute lecture did the instructor explain gradient descent?"

A single model that answers all of these with one prompt is an audio-language model (LALM / ALM). Separate from pure ASR: LALMs produce free-form natural-language answers, not just transcripts.

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The text and code of this lesson are based on AI Engineering from Scratch by Rohit Ghumare, MIT licensed.