Alternatives to Captiondata
The top AI Infrastructure companies similar to Captiondata, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
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Memories.ai56AI InfrastructureSan Francisco, United States$8.0MMemories.ai is an AI-powered visual memory platform that analyzes video content to extract meaningful insights, building the foundational visual memory layer for AI to see, remember, and understand video.
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Voiceitt54SpeechTel Aviv, Israel$20.5MVoiceitt develops next-generation voice technology for people with non-standard speech to enable clear communication.
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Twelve Labs49Video AISan Francisco, United States$62.0MAI-powered video understanding and analysis platform for businesses.
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OpenAI86Artificial IntelligenceSan Francisco, United States$509.1BOpenAI is an AI research and deployment company dedicated to ensuring that artificial general intelligence benefits all of humanity.
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OpenAI82Frontier AI LabSan Francisco, United States$13.0BArtificial intelligence research and deployment company focused on developing advanced AI models like GPT-5.6 and GPT-Live, offering products such as ChatGPT and an API platform.
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WSC Sports74Sports TechRamat Gan, Israel$136.0MWSC Sports automates the creation and distribution of sports highlights using AI and Machine Learning for leagues and broadcast partners globally.
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Verbit70Contextual Speech RecognitionNew York, United States$584.0MAI-powered transcription and captioning platform delivering enterprise-grade accuracy for legal, education, media, and corporate use cases.
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Kyutai68Frontier AI LabParis, France$300.0MA non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.
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Krisp67AI & ModelsBerkeley, United States$19.0MKrisp maximizes productivity in digital voice conversations with AI-powered noise cancellation, accent conversion, and meeting assistance.
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Deepgram66NeocloudSan Francisco, United States$202.1MDeepgram is an enterprise voice AI platform providing APIs for speech-to-text, text-to-speech, and voice agents, used by over 200,000 developers to build voice-first products.
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Vapi65Voice AISan Francisco, United States$74.3MVapi provides a highly configurable API platform for developers and enterprises to build, deploy, and scale human-like voice AI agents.
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Sensi.AI65Agentic AIPalo Alto, United States$93.5MSensi.AI offers an Agentic Operating System for senior care, aiming to simplify and humanize care delivery through 24/7 virtual care agents and audio analytics.
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Bland65Voice AISan Francisco, United States$51.0MEnterprise Voice AI platform for automating 24/7 phone calls with self-hosted, custom AI agents.
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Replicant63EnterpriseSan Francisco, United States$34.0MReplicant automates enterprise customer service with AI-powered voice agents that handle complex conversations.
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Sanas63SpeechPalo Alto, United States$159.3MAI-powered real-time speech understanding platform for multilingual communication and clarity.
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OpenWeb63MediaNew York, United States$383.0MOpenWeb partners with publishers and brands to foster healthy online conversations and build direct audience relationships.
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ActiveFence63New MediaTel Aviv, Israel$95.0MTrust and Safety platform protecting online platforms from malicious behavior and content.
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Willow62Voice AIUnited States$435.0MWillow is an AI dictation app designed for professionals to write 4x faster using voice anywhere on their computer.
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Carbyne 91161Smart CityTel Aviv, Israel$241.2MCarbyne provides advanced contact center technologies for emergency services, delivering real-time rich data like live video and precise location to dispatchers.
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Mappa61Voice AIMiami, United States$3.4MAI-powered behavioral intelligence platform that analyzes voice patterns to decode human behavior for hiring and beyond.
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Kalpa Labs60Voice AgentSan Francisco, United States$2.0MBuilding advanced speech models capable of passing the Turing test and providing infrastructure for voice agents.
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Krisp AI Meeting Assistant60Voice AIBerkeley, United States$5.0MAI-powered noise cancellation and meeting assistant for clear, productive online communication.
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Ufonia59Artificial IntelligenceOxford, United Kingdom$4.1MUfonia is a UK-based healthcare AI company that develops AI-powered voice agents designed to conduct routine clinical conversations with patients.
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TaskUs59Business Process Outsourcing (BPO)New Braunfels, United States$299.0MThe World's Best Companies Trust TaskUs for Digital CX, AI Operations, and Content Security.
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Harbinger58Conversational AISan Francisco, United States$393.0MEnterprise AI Decision Engine transforming data into predictive business insights and automated sales optimization.
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Speak57EdTechSan Francisco, United States$179.0MAI-powered language learning app focused on conversational fluency.
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UG labs56Conversational AITel Aviv, Israel$7.0MInteractive conversational AI engine for children, understanding intent and providing safe, generative content.
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Nomi56AI CopilotSan Francisco, United States$180.0MReal-time AI sales copilot providing on-the-spot phrase suggestions and advice during calls.
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Steno Agency56LegalTechSan Francisco, USA$95.4MTech-enabled court reporting and litigation support services.
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David AI56Voice Agent$77.1MDavid AI is an audio data research company building the data backbone for voice-based AI.
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Kardome56SpeechTel Aviv, Israel$11.0MSpatial hearing technology for real-time speech enhancement and speaker isolation.
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Synthflow AI56Voice AgentSan Francisco, United States$20.0MSynthflow AI is a no-code platform for deploying human-like AI voice agents to automate phone calls, providing 24/7 support, lead qualification, and appointment scheduling for businesses at scale.
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Salient55Voice AgentSan Francisco, United States$78.4MAI voice agents for US consumer lending, automating collections, customer service, and compliance.
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Second Nature AI55AI Role Play TrainingTel Aviv, Israel$94.0MAI-powered platform for personalized and engaging customer interactions, offering AI role-play sales training software.
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AudioBurst55New MediaTel Aviv, Israel$24.3MAI-powered platform organizing and delivering personalized audio content snippets.
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Aiola54Voice AIHerzliya, Israel$25.0MVoice AI platform for frontline workers, transforming speech into structured data and automated workflows.
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Develops audio analytics software for smart devices, enabling them to understand sound.
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Vocalis Health54HealthcareTel Aviv, Israel$9.0MAI-powered vocal biomarkers for health screening, detection, monitoring, and prediction.
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Wavel.ai54Voice AISan Francisco, United States$510KAI-powered video creation and localization tools for professional content transformation.
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L1ght54SecurityTel Aviv, Israel$15.0ML1ght provides an AI + Human moderation hybrid solution to detect and remove unsafe user-generated content at scale for social platforms, gaming operators, and online communities.
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zocks53AI AssistantSan Francisco, United States$128.6MAI assistant for meetings and communication.
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LemonSlice53Artificial IntelligenceSan Francisco, United States$10.5MLemonSlice is an AI research lab developing photorealistic, emotionally intelligent AI avatars for real-time video calls, aiming to create avatars indistinguishable from humans.
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Orbita, Inc.53Conversational AIWaltham, United States$12.0MConversational AI platform for healthcare, enabling patient engagement and clinical workflow automation.
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AI-powered voice agent for customer service and sales automation.
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Podcastle51Voice AITel Aviv, Israel$8.8MAI-powered audio and video creation platform for effortless content production and editing.
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Voize51Voice AITel Aviv, Israel$54.0MEnd the repetitive DMs. Voize connects you with shoppable skincare routines curated exclusively by verified dermatologists and medical professionals. Science, not hype.
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Vogent51Artificial IntelligenceSan Francisco, United States$1.5MAn all-in-one platform for building voice AI agents using intelligent building blocks.
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NLX50Conversational AINew York, United States$40.0MNLX builds AI-powered conversational interfaces for customer service and sales.
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Hamming AI50Voice AISan Francisco, United States$4.5MEnterprise-grade platform for at-scale automated testing and production monitoring of voice and chat agents.
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AssemblyAI50Voice AISan Francisco, United States$112.0MAI models for speech-to-text, summarization, and understanding audio content.
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Vocode50Open SourceSan Francisco, United States$3.8MOpen-source library for building hyper-realistic voice agents and conversational AI applications.
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Cognigy49Voice AgentDüsseldorf, Germany$156.5MAI-powered platform for building and deploying sophisticated conversational AI agents.
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SoundHound AI49Agentic AISanta Clara, United States$587.7MVoice and agentic AI platform enabling businesses to create conversational experiences.
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VoyagerX49AI-driven ProductsSeoul, South Korea$39.3MAI-powered software solutions for video editing, document scanning, and customer service analysis.
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Certus AI49Voice AI$1.5MCertus AI provides an AI phone system that helps restaurants recover lost revenue by ensuring every call is answered instantly, intelligently, and 24/7.
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Simply Speak48Healthcare$1.1MAI platform for physicians to automate patient encounter documentation and EHR data entry.
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Sierra48Conversational AISan Francisco, United States$680.0MSierra builds AI agents that help leading brands deliver better customer experiences by increasing customer lifetime value and personalizing interactions across multiple channels.
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Tenyx47EnterpriseSan Francisco, United States$15.0MMachine intelligence company focused on enterprise voice AI, operating in stealth.

