Alternatives
Products that do what Sheldon TTS does
Sheldon TTS is an AI Text-to-Speech SaaS platform.
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Kitten TTS is an open-source series of tiny and expressive text-to-speech models for on-device applications. We are excited to launch a preview of our smallest model, which is less than 25 MB. This model has 15M parameters. This release supports English text-to-speech applications in eight voices: four male and four female. The model is quantized to int8 + fp16, and it uses onnx for runtime. The model is designed to run literally anywhere eg. raspberry pi, low-end smartphones, wearables, browsers etc. No GPU required! We're releasing this to give early users a sense of the latency and voices…
2025 · github.com
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2012 · tts-api.com
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Text-to-speech API with natural language voice direction
Apr 2026 · blog.google
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Kitten TTS (https://github.com/KittenML/KittenTTS) is an open-source series of tiny and expressive text-to-speech models for on-device applications. We had a thread last year here: https://news.ycombinator.com/item?id=44807868. Today we're releasing three new models with 80M, 40M and 14M parameters. The largest model (80M) has the highest quality. The 14M variant reaches new SOTA in expressivity among similar sized models, despite being <25MB in size. This release is a major upgrade from the previous one and supports English text-to-speech applications in…
Mar 2026 · github.com
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First TTS model to support all 22 Indic languages + English
2024
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Chatterbox Turbo▲206Fast, expressive, open source TTS with native watermarking
Dec 2025 · resemble.ai
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Multilingual TTS model with realistic and expressive speech
Mar 2026 · mistral.ai
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Free text to speech online with AI voices. Generate and download browser TTS audio with no signup, WAV or MP3 export, and engine-specific offline support.
Jul 2026 · offlinetts.com
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