StepFun AI Releases Step-Audio 2 Mini: An Open-Source 8B Speech-to-Speech AI Model that Surpasses GPT-4o-Audio

The StepFun AI team has released Step-Audio 2 Mini, an 8B parameter speech-to-speech large audio language model (LALM) that delivers expressive, grounded, and real-time audio interaction. Released under the Apache 2.0 license, this open-source model achieves state-of-the-art performance across speech recognition, audio understanding, and speech conversation benchmarks—surpassing commercial systems such as GPT-4o-Audio. Key Features 1. […] The post StepFun AI Releases Step-Audio 2 Mini: An Open-Source 8B Speech-to-Speech AI Model that Surpasses GPT-4o-Audio appeared first on MarkTechPost.

2025-09-01 07:00 GMT · 19 hours ago www.marktechpost.com

The StepFun AI team has released Step-Audio 2 Mini, an 8B parameter speech-to-speech large audio language model (LALM) that delivers expressive, grounded, and real-time audio interaction. Released under the Apache 2.0 license, this open-source model achieves state-of-the-art performance across speech recognition, audio understanding, and speech conversation benchmarks—surpassing commercial systems such as GPT-4o-Audio. Key Features 1. […] The post StepFun AI Releases Step-Audio 2 Mini: An Open-Source 8B Speech-to-Speech AI Model that Surpasses GPT-4o-Audio appeared first on MarkTechPost.

Original: https://www.marktechpost.com/2025/08/31/stepfun-ai-releases-step-audio-2-mini-an-open-source-8b-speech-to-speech-ai-model-that-surpasses-gpt-4o-audio/