| Model | Backbone & Architecture | Training data | Reasoning Mechanism & Variants | Context Length | Max Audio | Capabilities | Openness |
|---|
| audio-flamingo-3 | Qwen-2.5-7B with AF-Whisper unified audio encoder | AudioSkills-XL, LongAudio-XL, AF-Think, AF-Chat ( ∼ 9.5M samples). | Optional short chain-of-thought (on-demand, not default) • AF3 (Base) - Single-turn Inference • AF3 + Think - Inference with short CoT prefixes • AF3-Chat - multi-turn, multi-audio, voice-to-voice interaction • AF3 (Long-Audio reasoning) - long-audio reasoning | 8,192 tokens | Up to 10 minutes | automatic speech recognition, audio question answering, audio reasoning, sound event recognition, music understanding, long-audio understanding, multi-turn audio dialogue, voice-to-voice interaction | Fully open (research) |
| audsemthinker | Qwen2.5-Omni-7B fine-tuned | AUDSEM dataset ( ∼ 900k instances) from YouTube. | Explicit structured semantic reasoning over sound • Think - <think> <answer> • Think + Semantic - <think> <semantic_elements> <answer> | 32,768 tokens (inherited from Qwen2.5-Omni) | Variable-length audio segments ( > 3 seconds, context-limited) | semantic audio reasoning, sound event understanding, audio question answering, audio captioning, audio-based multiple-choice reasoning, creative audio-conditioned text generation | Open |
| gemini-2.5-flash | Sparse Mixture-of-Experts (MoE) multimodal transformer | Proprietary Data | Dynamic internal reasoning with user-controllable thinking budget | ∼ 1,000,000 tokens | Up to ∼ 3 hours of audio/video | automatic speech recognition, speech translation, audio question answering, audio summarization, audio-visual reasoning, long-context audio understanding, native audio dialogue, text-to-speech | Closed / Proprietary |
| gpt-audio-2025-08-28 | Not available | Not available | Not available | 128,000 tokens | Not available | general audio model; accepts audio input and output; | Closed |
| music-flamingo-hf | Enhanced AF3 backbone with time-aware embeddings (RoTE) | MF-Skills (4M+) and MF-Think (300k) music datasets. | Explicit music-theory chain-of-thought (optional, structured) | ∼ 24,000 tokens | Up to ∼ 20 minutes | music captioning, music question answering, music theory reasoning, harmonic analysis, structural music analysis, lyric grounding, cultural music analysis, long-form song understanding | Fully open (research) |
| qwen2.5-omni-7b | Qwen-2.5-7B Thinker-Talker end-to-end multimodal architecture | Large-scale multimodal pretraining ( ∼ 1.2T tokens) from open sources. | Implicit internal reasoning | 32,768 tokens | Long streaming audio (context-limited, no fixed minute cap) | automatic speech recognition, speech-to-text translation, audio question answering, audio reasoning, sound classification, music classification, audio-visual reasoning, streaming speech interaction | Open weights |