Audio Synthesis Api
The best 50 Audio Synthesis Api AI tools - Free & Paid
Explore 50 AI for Audio Synthesis Api
ElevenCreative is an AI tool that generates ultra-realistic speech, videos, music, and sound effects, offering text-to-speech, voice cloning, and a library of pre-recorded voices for creating personalized content for various applications.
Freemium
- $5/mo
SpeechGen.io converts up to 2 million characters into high‑quality neural‑voice audio across 150 languages with 5,000 models. It allows voice, speed, pitch, volume control, SSML tags, background music, multi‑speaker tagging, downloadable formats, and a REST API.
Paid
- $4.99
SongAI generates complete music tracks with optional male or female vocals, outputting MP3 and MP4 files. Users set style, lyric content, mood, and instrumentation. It offers real‑time rendering status, persistent storage, and social‑media ready formats.
Freemium
- $9.3/mo
A web‑based Microsoft AI TTS tool offering 330+ neural voices in 129 languages. Users can adjust rate, pitch, pauses, and style for news, scripts, or narration. Works across Chrome, Firefox, Edge, with an API for web integration.
Free
Supertone offers real‑time text‑to‑speech, voice‑changing, and audio‑processing tools, including over 100 preset voices, noise‑reduction plugins, and an ADR‑matching feature. Its API/SDK support lets developers embed expressive speech in media workflows.
Free
AI Singing converts lyrics into sung vocals and full arrangements, combining singing synthesis, melody/harmony generation, and instrumentation. It offers selectable voice styles, pitch/expression control, tempo/mood settings, multilingual support, real-time rendering, and downloadable stems.
Free
PlayAI turns text into natural‑sounding audio in 42+ languages using 800+ voices. Users adjust pitch, rate, volume, add SSML pronunciations, support multi‑speaker real‑time synthesis, voice cloning, and API integration for chatbots, streaming, IVR, e‑learning.
Free trial
- $29/mo
Fish Audio S2 delivers real‑time text‑to‑speech with fine‑grained emotional tags and voice cloning from 15 seconds of audio. Its low‑latency API, SDKs, and multilingual support enable developers to create studio‑quality narration, dialogues, and voice agents.
Freemium
Soundverse AI generates music from text prompts, transforms vocals into instrumental versions, offers voice‑swap, private DNA model training, inpainting, auto‑loop, stem separation, text‑to‑lyrics, and a music assistant, accessible via web, mobile, and APIs.
Freemium
- $9.99/mo
AnySpeech.io is an AI voice studio offering 100+ multilingual, style-controlled voices for content creation. It generates export-ready audio for videos, podcasts, and e-learning to save production time and ensure consistent quality.
Free trial
- $99/mo
OptimizerAI generates up to 60‑second stereo audio at 44.1 kHz from text or magic prompts. It supports style selection, audio modification, and batch creation, producing files compatible with game engines, video editors, and media workflows.
Freemium
- $20/mo
AudioBot converts written text to natural‑sounding MP3 audio using over 500 AI voices in multiple languages, including diverse Spanish accents. Users can tweak pitch, speed, and tone, making it useful for video, podcasts, and accessibility.
Paid
aiclonevoicefree.com is a free AI voice cloning tool that generates realistic podcasts by uploading short audio samples (5-30s) and converting text into cloned speech. It supports multiple formats, cross-language synthesis, and offers pitch/speed adjustments with preview and download options.
Freemium
Suno is an AI music generator that enables users to create, remix, and share high-quality songs. It supports audio uploads, lyric rewrites, and provides commercial rights, making it ideal for musicians and content creators.
Freemium
- $8/mo
Kits AI offers studio‑quality audio tools for musicians and voice artists, including AI voice cloning, vocal isolation, stem splitting, and an instrument library. Accessible via web or API, it supports rapid iteration and collaborative remote demos.
Freemium
- $10/mo
Online TTS platform converts text into audio in 100+ languages with 148+ AI voices. Users can tweak speed, pitch, pause, add background music, and download MP3, OGG, AAC, OPUS, or WAV for dubbing, audiobooks, and language learning.
Free
MMAudio is an AI video audio synthesis tool that generates synchronized, studio-quality soundscapes for silent videos. It allows customization of sound levels and effects, enhancing the storytelling experience in film, game development, and educational content.
Subscription
- $4.16/mo
TwoShot Coproducer is an AI assistant for music and audio production that generates tracks from text, isolates stems, cleans and restores recordings, creates voices and sound effects, and offers an in-browser DAW, sample library, API and collaboration tools.
Free
OpenAI.fm is an interactive text-to-speech demo that lets users explore various voice styles and emotional tones, enhancing storytelling in gaming and multimedia by enabling customizable audio outputs with dynamic pacing and expressive characteristics.
Freemium
Music AI offers AI‑driven stem separation, voice swapping, and instrumental tracks, along with lyric transcription and metadata extraction. AI mixing/mastering sharpens clarity, while the SDK supports volume control for production workflows across web, desktop, VST, iOS, and Android.
Freemium
Synthesia is an AI video creation platform that enables users to create customizable videos in multiple languages using AI avatars and voices, saving time and budget for companies.
Freemium
AI Music Generator allows users to compose original songs in various genres, offering customizable parameters, advanced lyrics processing, and voice control. It accommodates all skill levels and includes features like vocal removal and cover song generation.
Freemium
- $12.07/mo
Audionotes AI tool for effortless voice-to-text conversion, organization, summarization, and content generation.
Freemium
Vocs AI turns clean acapella recordings into full vocal performances by AI singers or rappers. Upload WAV/MP3, choose an artist, adjust pitch, tone, emotion, and download high‑quality tracks with royalty‑free loops for commercial use.
Freemium
- $60/mo
AI Song is an AI music generator that creates original, royalty-free tracks across 30 genres in minutes. It includes an AI lyrics generator and offers full commercial rights, making it ideal for creators and content producers.
Free trial
AIVocal is an AI-powered vocal assistant for audio content creation, featuring podcast generation, multilingual voice synthesis, and voice cloning. It also offers transcription, vocal editing, AI vocal removal, and text-to-speech, available on mobile and desktop.
Free trial
Ainnate Text To Speech converts scripts, articles, and documents into expressive synthetic audio with a searchable voice library, emotion and speed controls, story-maker workflows, and developer APIs for integration into e-learning, IVR, and media pipelines.
Freemium
AI Song Generator produces original tracks from simple English prompts or detailed specifications, allowing choice of genre, mood, tempo, and vocal presence. It outputs royalty‑free MP3s and covers styles like pop, rock, jazz, and electronic.
Freemium
- $9.9/mo
SunoAI.org is a generative AI platform that creates custom songs with vocals and instrumentation from text prompts. It supports multiple genres, allows audio uploads for track extensions, and offers free/paid tiers with varying quality and usage rights.
Freemium
Unreal Speech is a low‑latency text‑to‑speech API offering real‑time streaming, synchronous MP3 output, and asynchronous long‑form synthesis with word‑level timestamps. It supports 48 voices in eight languages and flexible audio customization.
Subscription
- $4.99/mo
Deepgram Voice AI offers real‑time and batch speech‑to‑text, text‑to‑speech, and voice‑agent APIs. It delivers low‑latency transcripts, natural‑sounding synthesis, and integrated conversation handling for contact centers, transcription, and podcasts, with cloud, on‑prem, and telephony support.
Freemium
aisong.io is an AI-powered music generator that creates original, royalty-free songs from user-input lyrics, mood, and style. It produces professional vocal tracks across multiple genres, which users can download and use commercially after a simple three-step process.
Freemium
- $7.9/mo
SOUNDRAW generates royalty‑free, studio‑ready music using AI from a proprietary catalog. Users blend genres, edit tracks in‑browser, export high‑quality WAV or stems, and receive a perpetual worldwide commercial license for monetization on streaming platforms.
Subscription
- $5.83/mo
SongGenerator.io turns text prompts into royalty‑free music across genres, offers multilingual lyric creation, vocal isolation, custom sound effects, and export to MP3/WAV/MP4, plus lyric‑video generation for creators and producers.
Free trial
AudioGenius.ai clones a speaker’s voice accurately for videos, podcasts, and dubbing, and offers real‑time multilingual translation for global meetings and support. Unlimited audio minutes and API integration enable scalable, brand‑consistent voice content.
Subscription
- $9.99/mo
ttsMP3.com converts text to spoken audio in over 28 languages with natural voices. Supports multiple speakers, SSML tags, and instant MP3 downloads. Ideal for e‑learning, slide decks, videos, and enhancing website accessibility.
Free
Resemble AI delivers real‑time voice conversion and cloning from brief samples, supports 149+ languages, lets users edit audio via text, and includes deep‑fake detection, watermarking, and API integration for secure, ethical use.
Freemium
- $0.006
Audio AI Dynamics is an online platform offering tools for music analysis, audio trimming, voice recording, and rhythm practice. It provides real-time insights into songs, enabling efficient editing and accurate timing for musicians and producers.
Free
Cleanvoice AI automates podcast post‑production by removing background noise, filler words, pauses, mouth sounds, and breath artifacts in 20+ languages. It offers transcription, summaries, show notes, chapter markers, multi‑track editing, a drag‑and‑drop interface, and an API for batch processing.
Paid
Noiz AI is a text-to-speech and voice-cloning platform that captures and customizes voices, including tone, emotion, accent and pacing, supports multilingual dubbing and exports dubbing-ready tracks with an API for embedding and automating TTS.
Subscription
- $3.9/mo
LOVO converts text to speech using 500+ voices in 100 languages with expressive variants. Its online editor syncs audio, adds subtitles, and supports full video editing. Features voice cloning from one minute, AI script generation, royalty‑free images, and API integration.
Freemium
Voisi converts text into natural‑sounding speech with 450+ voices and 100+ languages, transcribes audio, translates text and audio, clones voices from short samples, and chains transcription, translation, and synthesis into single workflows.
Paid
Vbee Aivoice is an AI text-to-speech platform that converts text into natural-sounding audio across multiple languages. It offers various voices, supports voice cloning, and provides MP3/WAV output, ideal for podcasts, e-learning, and audiobooks.
Freemium
Suno AI Music creates full songs with vocals and instrumentals from simple text prompts in under a minute. It supports diverse genres, offers copyright‑free commercial tracks, instant high‑quality downloads, and on‑platform editing for creators and marketers.
Subscription
- $6.9/mo
AISongMaker.io is a royalty-free music creation tool that transforms text or lyrics into melodies across genres like rap, rock, and pop. It offers vocal removal, stem isolation, remix options, and instant song downloads for seamless sharing.
Freemium
- $9.99/mo
seedaudio.co is a multimodal AI audio studio that transforms text, images, and reference clips into layered sound scenes with multi-speaker dialogue, ambient beds, and SFX. It preserves separate stems for each element, enabling seamless mixing and voice-consistent, session-length generation.
Freemium
- $9.99/mo