IBM Watson Text to Speech Alternatives (September 2025)

Watson Speech to Text is an API that transcribes speech to text in a variety of languages. It’s available as SaaS or for self-hosting.

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1.
Text-to-Speech AI: Lifelike Speech Synthesis | Google Cloud
https://cloud.googl
.com/text-to-speech/

Turn text into natural-sounding speech in 220+ voices across 40+ languages and variants with an API powered by Google’s machine learning technology.

2.
IBM Watson Natural Language Understanding
https://www.ib
.com/products/natural-language-understanding/

Watson Natural Language Understanding is an API uses machine learning to extract meaning and metadata from unstructured text data. Is is available as a managed service or for self-hosting.

4.
Speech To Text - Amazon Transcribe - AWS
https://aws.amazo
.com/transcribe/

Amazon Transcribe is an automatic speech recognition (ASR) service that makes it easy for developers to add speech to text capability to their applications

5.
IBM Watson Discovery
https://www.ib
.com/products/watson-discovery/

IBM Watson Discovery is an API to search and answer questions about business documents using custom NLP and Large Language Models from IBM Research. It is available as SaaS or for self-hosting within IBM Cloud Pak for Data.

6.
Deepgram Voice AI: Text to Speech + Speech to Text APIs | Deepgram
https://www.deepgra
.com/

Power your apps with real-time speech-to-text and text-to-speech APIs powered by Deepgram's voice AI models. Low latency, high quality, and low cost that scales

7.
Text To Speech AI Tool - Text to Voice Software - Amazon Polly - AWS
https://aws.amazo
.com/polly/

Amazon Polly turns text into lifelike speech, allowing you to create applications that talk and build entirely new categories of speech-activated applications.

8.
Text to Speech & AI Voice Generator | ElevenLabs
https://elevenlab
.io/

Create premium AI voices for free in any style and language with the most powerful online AI text to speech (TTS) software ever. Generate text-to-speech voiceovers in minutes with our character AI voice generator.

9.
Lifelike Text to Speech (TTS) - ReadSpeaker
https://www.readspeake
.com/

ReadSpeaker provides lifelike online and offline text-to-speech solutions to make your products and services more engaging. Discover how TTS can benefit you

10.
Verbatik - Most Realistic Text to Speech & Voice Cloning
http://verbati
.com/

Transform text into natural-sounding speech with Verbatik's AI-powered platform. Clone voices in seconds, and customize audio for marketing and more. Try for free with 1000 characters!

11.
Azure AI Speech | Microsoft Azure
https://azure.microsof
.com/en-us/products/ai-services/ai-speech/

Explore AI Speech from Microsoft Azure that include speech recognition, text to speech, speech translation, voice-enabled app features, and more.

12.
[Private] Speechify AI API
https://www.speechif
.ai/

Generate high quality speech with our state-of-the-art artificial intelligence models in just a few lines of code.

13.
BeyondWords | Frictionless Text-to-Speech Publishing
https://beyondword
.io/

With BeyondWords, you and your team can convert text into engaging audio. Enhance your publishing workflow with our all-in-one audio CMS and AI voices.

14.
AI Voice Generator: Versatile Text to Speech Software | Murf AI
https://mur
.ai/

AI Voice Generator in 20+ languages. 120+ realistic text to speech voices to create the perfect AI voiceover. Go instantly from text to voice with ease.

16.
IBM API Connect - API Lifecycle Management
https://www.ib
.com/products/api-connect/

IBM API Connect is software to rapidly create, secure and manage APIs. IBM API Connect can be deployed in any Red Hat OpenShift environment. It’s also available as SaaS in a shared or dedicated instance, and as part of IBM Cloud Pak for Integration.

17.
AI Voice Generator: Realistic Text to Speech and AI Voiceover | PlayHT
https://pla
.ht/

PlayHT is #1 AI Voice Generator with 600+ AI voices that creates ultra realistic Text to Speech voiceovers. Convert text to audio and download as MP3 & WAV files.

18.
IBM Watson Studio
https://www.ib
.com/products/watson-studio/

IBM Watson Studio is an IDE to build, run and manage AI models. It is available as SaaS or for self-hosting as part of IBM Cloud Pak for Data.

19.
AI Speech Technology | Speech-To-Text API | Speechmatics
https://www.speechmatic
.com/

Speechmatics offer the most accurate AI speech technology - with AI transcription & real-time translation components. Try our Speech API today!

20.
Text To Speech Software, Transforming Text to Voice Instantly - Speechelo
https://speechel
.com/

Experience the future of communication with Speechelo - our advanced text to speech software. Transform any text to voice instantly, delivering clear, human-like audio. Ideal for various applications, Speechelo brings your text to life!

21.
Speech translation overview - Speech service - Azure AI services | Microsoft Learn
https://learn.microsof
.com/en-us/azure/ai-services/speech-service/speech-translation/

With speech translation, you can add end-to-end, real-time, multi-language translation of speech to your applications, tools, and devices.

22.
AI Voices - NaturalReader Home
https://www.naturalreader
.com/

NaturalReader: Free Text to Speech for Online, Mobile App, Commercial license and Education with AI voices.

23.
AssemblyAI | AI models to transcribe and understand speech
https://www.assemblya
.com/

With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.

24.
IBM watsonx Assistant Virtual Agent
https://www.ib
.com/products/watsonx-assistant/

IBM watsonx Assistant provides customers with fast, consistent and accurate answers across any application, device or channel.

25.
IBM App Connect - Application integration software
https://www.ib
.com/products/app-connect/

IBM App Connect is application integration software that connects applications and data sources. It features a no-code interface with hundreds of prebuilt connectors, plus the ability to create custom connectors. It can be deployed on-premises, on any cloud, or as a fully managed service on AWS.

26.
AI Voice Generator: Realistic Text to Speech & Voice Cloning
https://www.lov
.ai/

Award-winning AI Voice Generator and text to speech software with 500+ voices in 100 languages. Realistic AI Voices with Online Video Editor. Clone your own voice.

27.
Transcription Software | AI Transcription & Content Editor | Trint
https://trin
.com/

Trint’s AI powered software quickly transcribes video & audio files to text. Transcribe, edit, share and collaborate to unleash your team’s productivity.

29.
Automatically convert audio and video to text: Fast, Accurate, & Affordable | Sonix
https://soni
.ai/

Sonix is the best audio and video transcription software online. Our industry-leading, speech-to-text algorithms will convert audio & video files to text in minutes. Sonix transcribes podcasts, interviews, speeches, and much more for creative people worldwide.

30.
IBM watsonx Code Assistant
https://www.ib
.com/products/watsonx-code-assistant/

IBM watsonx Code Assistant is a solution that leverages generative AI to accelerate code generation and increase developer productivity.

31.
IBM Video Streaming
https://www.ib
.com/products/video-streaming/

Stream live, and manage recorded video content. Cloud streaming platform for video hosting, transcoding, multi-platform playout, and analytics.

32.
IBM Cloud Pak for Integration
https://www.ib
.com/products/cloud-pak-for-integration/

Connect apps, services and data with the IBM Cloud Pak for Integration platform, the most comprehensive integration software solution.

33.
Convert Audio to Text with Rythmex Converter
https://rythme
.com/

Rythmex is a modern audio to text converter. It can transcribe different formats of audio and video files online with fast extraction to text formats.

34.
Wavel AI | Best Text-to-Speech Voice Solutions for Videos And Localization
https://wave
.ai/

Wavel provides the best text-to-speech voice solutions for videos and localization. Our voices are natural, clear, and accurate, and our platform is easy to use.

35.
Transkriptor: Convert audio or video to text [Transcription]
https://transkripto
.com/

Transcribe free today and convert audio to text. Video transcription and audio transcription. Transcribe fast and automatically.

36.
IBM Sterling B2B Integration SaaS
https://www.ib
.com/products/b2b-integration-saas/

Trusted cloud-based business network to streamline, automate and fully digitize B2B transitions, augmenting the power of EDI with API capabilities.

37.
Translator Text API - Microsoft Translator for Business
https://www.microsof
.com/en-us/translator/business/translator-api/

Microsoft Translator Text API is a cloud-based aka machine translation service used to build applications, websites, and tools.

38.
Services from IBM
https://www.ib
.com/services/

Services from IBM works with the world’s leading companies to reimagine and reinvent their business through technology.

39.
Best AI Voice Generator | Text to speech | Voxify
https://voxif
.ai/

Transform content with Voxify's AI voice generator. 450+ male, female & kid voices. Customize pitch, speed & emotion. Start creating immersive audio now!

40.
WellSaid Labs - #1 Enterprise-Level AI Voice Generator
https://wellsaidlab
.com/

Create professional voice overs with the leading enterprise-grade AI Voice Generator. Produce with the highest quality voice with WellSaid Studio and API.

41.
IBM Maximo Application Suite
https://www.ib
.com/products/maximo/

IBM Maximo Application Suite is a set of applications for asset monitoring, management, predictive maintenance and reliability planning. It’s available as managed SaaS or deployable in any Red Hat OpenShift environment.

42.
IBM Cloud Pak for Data
https://www.ib
.com/products/cloud-pak-for-data/

IBM Cloud Pak for Data is a modular set of integrated software components for data analysis, organization and management.

44.
IBM Datacap
https://www.ib
.com/products/data-capture-and-imaging/

IBM Datacap is software for the automation of document capture, recognition, classification, and processing. Datacap is available as SaaS, for self-hosting and within IBM Cloud Pak for Business Automation.

45.
IBM MQ
https://www.ib
.com/products/mq/

IBM MQ is a family of middleware products for point-to-point and publish-subscribe messaging. MQ is available as as SaaS on IBM Cloud, as a hardware appliance, and for self-hosting, including on z/OS.

46.
Lingvanex | Machine Translation and Speech Recognition
https://lingvane
.com/

Discover the world of machine translation and speech recognition tools. Translate text, documents, audio, images & HTML into 100+ languages with secure AI-enhanced technology

47.
Fast, Simple & Affordable automated transcription | Go Transcribe
https://go-transcrib
.com/

Automatically convert audio to text using Go Transcribe's software. Transcribe, edit and share your transcriptions with ease.

48.
IBM Turbonomic
https://www.ib
.com/products/turbonomic/

IBM Turbonomic software uses AI to optimize the performance, cost and compliance of hybrid cloud and multicloud environments.

49.
Happy Scribe: Audio Transcription & Video Subtitles
https://www.happyscrib
.co/

Happy Scribe's automatic and human transcription services convert audio to text with 85-99% accuracy in 120+ languages and 45+ formats. Sign up now!

50.
Cloud Translation | Google Cloud
https://cloud.googl
.com/translate/

Google Cloud Translation helps both individuals and organizations translate a variety of file types in real-time, with best-in-class AI.

51.
Linguatec - Text-to-Speech und Spracherkennung von Experten
https://www.linguate
.de/

Linguatec Sprachtechnologien ist der Experte für Text-to-Speech (TTS), Spracherkennung und Übersetzung. Testen Sie online die neuen per KI optimierten Voice Reader Stimmen.

52.
EnableX.io | Omnichannel Customer Engagement Platform and APIs
https://www.enable
.io/

Build your very own omnichannel customer engagement platform with a no-code builder or customize it with Video, Voice, SMS, and chatbot APIs from EnableX.

53.
IBM - India
https://www.ib
.com/information-server/

For more than a century, IBM has been a global technology innovator, leading advances in AI, automation and hybrid cloud solutions that help businesses grow.

54.
IBM - India
https://www.ib
.com/decision-optimization/

For more than a century, IBM has been a global technology innovator, leading advances in AI, automation and hybrid cloud solutions that help businesses grow.

55.
Business Automation Workflow | IBM
https://www.ib
.com/products/business-automation-workflow/

IBM Business Automation Workflow helps you automate your digital workflows to increase productivity, efficiency and insights — on premises or on cloud.

56.
What is custom question answering? - Azure AI services | Microsoft Learn
https://learn.microsof
.com/en-us/azure/ai-services/language-service/question-answering/overview/

Custom question answering is a cloud-based Natural Language Processing (NLP) service that easily creates a natural conversational layer over your data. It can be used to find the most appropriate answer for any given natural language input, from your custom project.

57.
IBM Cloud for VMware Solutions
https://www.ib
.com/products/vmware/

IBM Cloud for VMware Solutions is hosting for VMware workloads. Configurations range from self-managed to fully IBM-managed on single- or multi-tenant IBM Cloud servers.

58.
Zamzar - File Conversion API
https://developers.zamza
.com/

Need an API to convert files from your application? Use Zamzar - 100s of formats supported - Documents, Videos, Images, Audio, CAD, eBooks and more

59.
Transcription Services — #1 in the World | Rev
https://www.re
.com/

Transcribe Speech to Text with Rev. Reach your audience with clear and accurate captions, transcripts, and subtitles.

60.
IBM Db2
https://www.ib
.com/db2/

IBM Db2 is the database to run your mission-critical workloads. Power low-latency transactions and real-time analytics across any cloud, hybrid or on-prem.

61.
Cloud Natural Language | Google Cloud
https://cloud.googl
.com/natural-language/

Analyze text with AI using pre-trained API or custom AutoML machine learning models to extract relevant entities, understand sentiment, and more.

62.
Verbit: AI-Based Transcription & Captioning Services
https://verbi
.ai/

Verbit’s Professional AI transcription & captioning solution provides the highest accuracy & fastest turnaround time for the lowest cost.

63.
Netezza Performance Server | IBM
https://www.ib
.com/products/netezza/

IBM Netezza Performance Server is a data warehouse for demanding hybrid-cloud environments available as SaaS and for self-hosting through IBM Cloud Pak for Data System.

65.
IBM InfoSphere Master Data Management
https://www.ib
.com/products/ibm-infosphere-master-data-management/

IBM InfoSphere Master Data Management is master data management software to consolidate and govern business data. It is available for self-hosting, as managed SaaS, and in IBM Cloud Pak for Data.

67.
Cloudant - IBM Cloud
https://cloud.ib
.com/catalog/services/cloudant/

IBM Cloudant is a fully managed JSON document database that offers independent serverless scaling of provisioned throughput capacity and storage. Cloudant is compatible with Apache CouchDB and accessible through a simple to use HTTPS API for web, mobile, and IoT applications.

68.
IBM Cloud Internet Services
https://www.ib
.com/products/cloud-internet-services/

IBM Cloud Internet Services offers security, reliability and performance capabilities designed to protect public-facing web content and applications.

69.
Home - Gotalk.ai
https://gotal
.ai/

Discover Gotalk.ai, the ultimate AI voice generator for creating lifelike voiceovers. Perfect for videos, podcasts, e-learning, and phone systems with over 120 voices in 50 languages. Enhance your content with studio-quality AI voices effortlessly. Visit us now!

70.
Web Search API | Microsoft Bing
https://www.microsof
.com/en-us/bing/apis/bing-web-search-api/

Bring the power of intelligent search to your apps with the Bing Web Search API. Receive stats on queries and market-aware results with this Search API.

71.
Communications APIs | Vonage
https://www.vonag
.com/communications-apis/

Vonage APIs (formerly Nexmo) offers communications APIs, a global platform and expert support—empowering you to create exceptional customer experiences.

72.
IVR (Interactive Voice Response) System Solution | Knowlarity
https://www.knowlarit
.com/voice/ivr-solutions/

Knowlarity provides the best cloud IVR(Interactive Voice Response) System or solution for your business which is an automated call management solution. Use our top hosted IVR service to respond to all the customer queries professionally with personalized greetings.

73.
IBM watsonx.governance
https://www.ib
.com/products/watsonx-governance/

Build responsible, transparent and explainable AI workflows with watsonx.governance.

74.
Communication APIs for chat, AI chatbots, SMS, WhatsApp, KakaoTalk, voice, and Video. | Sendbird
https://sendbir
.com/

Communications API for chat, AI chatbots, SMS, WhatsApp, voice, video, KakaoTalk, and in-app notifications with Sendbird's all-in-one communications API platform.

75.
Programmable Video and Voice | Video and Audio Integration Solution
https://www.iotu
.com/

Next generation programmable video and audio integration solutions for today's world. Iotum’s audio and video conferencing and streaming API and SDK solutions.

76.
Advanced Artificial Intelligence API
https://nlpclou
.io/

Advanced AI platform, for NER, sentiment analysis, emotion analysis, text classification, summarization, dialogue summarization, question answering, text generation, image generation, translation, language detection, grammar and spelling correction, intent classification, paraphrasing and rewriting, code generation, chatbot/conversational AI, automatic speech recognition api, speech to text, semantic similarity, semantic search, speech synthesis, Part-Of-Speech tagging, tokenization, lemmatization, and embeddings. Use the best AI engines without sacrificing data privacy.

77.
Bing Custom Search API | Microsoft Bing
https://www.microsof
.com/en-us/bing/apis/bing-custom-search-api/

Deliver the search results you want with Bing's Custom Search API. This easy-to-use and ad-free customized search tool gives you powerful ranking and more.

78.
Cloud services | IBM
https://www.ib
.com/consulting/cloud-managed/

See how a managed cloud services approach helps mitigate potential tension between traditional IT management and DevOps culture.

79.
AI Chatbot - Amazon Lex - AWS
https://aws.amazo
.com/lex/

Amazon Lex is a fully managed AI service for building conversational interfaces into any application. Start creating a chatbot, voice assistant, machine learning-powered IVR, or virtual agent today.

81.
IBM Event Streams
https://www.ib
.com/products/event-streams/

IBM Event Streams is an event streaming software built on open-source Apache Kafka. It is available as a fully managed service on IBM Cloud or for self-hosting.

82.
IBM Cloud Kubernetes Service
https://www.ib
.com/products/kubernetes-service/

IBM Cloud Kubernetes Service enables the orchestration of intelligent scheduling, self-healing and horizontal scaling.

83.
Pricing - Face API | Microsoft Azure
https://azure.microsof
.com/en-us/pricing/details/cognitive-services/face-api/

View pricing options for the Face API from Microsoft Azure AI Services. Select from a variety of pricing options.

84.
The #1 Handwriting to Text Converter
http://handwritingoc
.com/

Convert handwritten notes and documents to digital text, with unmatched accuracy from our AI-powered OCR engine.

85.
IBM Planning Analytics
https://www.ib
.com/products/planning-analytics/

IBM Planning Analytics is business performance management software with planning, forecasting and reporting features.

86.
Beey.io - Automatic transcription and subtitles for your audio or video content​
https://www.bee
.io/

Online tool for fast and accurate voice recognition at an affordable price. Make high-quality captions and subtitles in the advanced editor within minutes.

87.
Maestra AI - Transcription, Subtitling & Voiceover
https://maestr
.ai/

Unlock your global audience with Maestra AI: Lightning-fast AI-powered transcription, subtitles, and multilingual voiceovers in 100+ languages.

88.
Apigee API Management | Google Cloud
https://cloud.googl
.com/apigee/

Build, manage, and secure APIs—for any use case, environment, or scale. Google Cloud's API management solution to operate APIs with high performance.

89.
India’s 1st Call + WhatsApp Business Communication Platform
https://myoperato
.co/

Experience seamless communication with MyOperator's call and WhatsApp API solutions. Run Campaigns, Deliver Customer Support, Build Engaging Workflows.

90.
IBM InfoSphere Information Governance Catalog
https://www.ib
.com/products/information-governance-catalog/

IBM InfoSphere Information Governance Catalog can help you turn your data into trusted, meaningful information.

91.
API Management - Amazon API Gateway - AWS
https://aws.amazo
.com/api-gateway/

Amazon API Gateway helps you build HTTP, REST, and WebSocket APIs with a fully managed service that makes it easy to create, publish, maintain, manage, monitor, and secure APIs.

92.
Bing Spell Check API - Queries Spell Check | Microsoft Bing
https://www.microsof
.com/en-us/bing/apis/bing-spell-check-api/

Enhance your apps with the Spell Check API from Bing. This API helps you create spell check queries and catch spelling mistakes as users are typing.

93.
IBM Storage Insights & IBM Spectrum Control
https://www.ib
.com/products/storage-insights/

Optimize your storage infrastructure using this cloud-based storage management and support platform with predictive analytics.

94.
Email API: Powerful Solutions for Developers - Netcore Cloud
https://netcoreclou
.com/email/email-api/

Integrate seamlessly with Netcore's Email API for scalability, high deliverability, & real-time analytics. Designed for developers.

95.
API to Extract PDF, Edit & Convert PDF, Create PDF | PDF.co
https://pd
.co/

PDF.co Web API for extracting, editing, converting, merging, and splitting PDF documents. Save time with our powerful tools.

96.
Online Video Dubbing with Dubverse.ai
https://dubvers
.ai/

Dubverse is an online video dubbing platform. Dubverse uses artificial intelligence to dub video across 30 languages at a lightning fast speed

97.
IBM Robotic Process Automation
https://www.ib
.com/products/robotic-process-automation/

Automate repetitive and time-consuming back-office tasks by using software robots that emulate human actions on a computer.

98.
IBM Informix
https://www.ib
.com/products/informix/

IBM Informix is an embeddable, high-performance database for integrating SQL, NoSQL, JSON, time-series and spatial data. It is available as a managed service on IBM Cloud, as standalone software, and within IBM Cloud Pak for Data.

99.