> TextSynth provides access to large language, text-to-image, text-to-speech or speech-to-text models such as Mistral, Llama, Stable Diffusion, Whisper thru a REST API and a playground. They can be used for example for text completion, question answering, classification, chat, translation, image generation, speech generation, speech to text transcription, ...

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You're confused. The compression algorithm was something different. TextSynth is an LLM inference server, similar to (but older than) llama.cpp.