Alternatives to Smallest.ai

Fish Audio turns text into expressive, emotionally controllable speech with voice cloning from 15 seconds of audio and a free developer TTS API.

Inworld AI is a research lab and inference provider for realtime voice — first-party TTS-2 and STT models plus zero-markup routing across 220+ LLMs.

AI voice agents for enterprise contact centers that run on your existing PBX, SBC, and telephony instead of replacing it.

ElevenLabs turns text into ultra-realistic AI voice, music, dubbing and conversational voice agents from one credit pool.

Voice AI that answers restaurant phone and drive-thru orders with a customizable, branded persona.

Modular LLM agentic AI platform that automates enterprise contact centers across voice and text in Swiss-German, German, French and Italian.

Free GPL-V3 desktop app that runs speech recognition, subtitle translation, AI dubbing and video composition in one click.

Open-source desktop studio for voice cloning, voice design, dubbing, dictation and audiobooks — runs on your own machine.

NoteGPT is an AI agent that summarizes YouTube videos, transcribes audio and video, and turns notes into slides, images, and voice — in one subscription.

Real-time noise cancellation, accent conversion and AI meeting notes in one app

Async (formerly Podcastle) is a chat-based AI video editor that cuts, dubs, and generates video from plain-language prompts

AI video and audio localization platform that dubs, lip-syncs, and translates your content into 135+ languages.

Browser-based AI video translation, dubbing, and subtitling that turns one recording into versions in up to 81 languages per process.

Clicky is a free, MIT-licensed macOS AI screen tutor that watches your screen, talks back, and points at the UI elements you're stuck on.

Seed Audio AI packages ByteDance Seed's TTS, ASR, and music research behind a server-side KIE audio API.

SkipCalls is a 24/7 AI receptionist that answers your existing business line, books jobs, blocks spam, and texts you every call summary for $19.99/mo.

Maestra AI transcribes, subtitles, translates, and dubs audio and video in 125+ languages, on demand or live.

Inworld is a research lab and inference provider for realtime voice AI, offering first-party TTS-2 and STT models plus a zero-markup LLM router for developers

Voice AI infrastructure for developers: speech-to-text, speech understanding, guardrails, and LLM routing on one API key.

Real-time voice AI platform: Sonic-3.6 text-to-speech and Ink-2 speech-to-text models plus Managed Agents for building production voice agents.

MiniMax Audio turns text into multilingual speech through a REST API, with 10-second voice cloning, HD and turbo synthesis modes, and per-character billing.

AI voice cloning and text-to-speech with 140+ languages, emotion control, and lip-sync dubbing for creators and developers.

Fish Audio S2.1 Pro is a real-time text-to-speech and voice cloning platform built around emotion-tag control and a free API tier for developers.

Inclusive voice AI that recognizes non-standard speech for AAC, dictation, and accessible meetings.

Low-latency text-to-speech API and AI voice agents — Murf AI runs real-time phone conversations at 1 cent per minute.

Deepgram gives you speech-to-text, text-to-speech and a Voice Agent API from one vendor, priced per minute.

Sarvam AI is India's sovereign AI platform for Indic-language speech, text, and document models, deployable on cloud, VPC, or air-gapped infrastructure.

Synthflow AI runs enterprise voice AI agents on its own telephony network for automated phone calls at scale.

Real-time speech AI that rewrites how you sound mid-call — accent, language, clarity — in your own voice

Emotionally expressive text-to-speech and speech-to-speech voice AI with human-judged evaluation built in.