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ElevenLabs is an AI voice and audio platform offering text-to-speech, voice generation and cloning, speech-to-text transcription, dubbing, music generation, and voice agents. Its transcription capability produces timing information for video cuts, subtitles, and synchronized animations. It provides more than 5,000 voices across more than 70 languages, supports custom voice clones, and offers APIs and SDKs through ElevenAPI. ElevenCreative supports content creation, while ElevenAgents supports customer-experience applications.

Smallest AI is a voice-AI platform offering text-to-speech, speech-to-text, speech-to-speech, and orchestrated voice-agent models for real-time deployments.

Speechify is an AI voice and text-to-speech platform that reads written material aloud and also provides speech-to-text, conversational, and business-focused AI tools. Its SpeechifyAI service offers text-to-speech and realtime voice-agent APIs through a single interface, with streaming synthesis, zero-shot voice cloning from a consented reference clip, SSML-based emotion control, and multilingual output for English, German, Mexican Spanish, French, Italian, and Brazilian Portuguese. The service includes the Simba model family, which the site describes as streaming-native speech models designed to model voice identity, expression, and language for realtime conversation. Speechify was co-founded by Cliff Weitzman, who initially built it to consume written material through audio.

Claude is an AI assistant developed by Anthropic, positioned as 'The AI for Problem Solvers'. It is a general-purpose AI system used for tasks such as generating code prompts, refining requirements, creating advertising strategy and copy, and processing creative content like storyboarding and video prompts.