IBM Granite Speech 4.1 2B Plus is an open-source speech foundation model supporting both automatic speech recognition and text-to-speech capabilities. The 2-billion-parameter model includes advanced features such as tool calling within conversations and is optimized for local deployment. It is hosted on Hugging Face and installable via pip for integration into voice-enabled applications and research projects.
In the Voice, TTS & speech space, Granite Speech 4.1 2b Plus takes a focused approach. It focuses on converting between speech and text with high accuracy while supporting tool-calling capabilities in conversational AI systems. It is built as an open-source project for AI developers and enterprises. Granite Speech 4.1 2b Plus is open source under the Apache-2.0 license. Granite Speech 4.1 2b Plus is available on the web, the command line, and API, and it can be self-hosted.
IBM builds and maintains Granite Speech 4.1 2b Plus, and the product first shipped in 2023. Development happens publicly on GitHub with 229 stars and 78 commits in the last 90 days. It operates in a well-populated space: PulseGate tracks 9 similar tools. Key capabilities include Speech Recognition, Speech Synthesis, and Tool Integration.
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