Side-by-side comparison of AI visibility scores, market position, and capabilities
SF trust and safety platform for AI labs and social platforms with content moderation, AI safety, and data labeling; YC W22 $14M AWS GenAI Accelerator/Accel-backed by ex-Facebook security and counterterrorism founders.
Cinder is a San Francisco-based trust and safety platform — backed by Y Combinator (W22) with $14 million raised from AWS Generative AI Accelerator, Accel, Pioneer Fund, Webb Investment Network, and YC — providing AI labs, e-commerce platforms, and social media companies with infrastructure to orchestrate and automate content moderation, AI safety red-teaming, policy enforcement, and data compliance workflows, while uniquely combining content moderation operations with AI training data labeling to create high-quality, policy-informed datasets. Founded in 2021 by Glen Wise (former Facebook security engineer) and Phil Brennan (former US government counterterrorism specialist), Cinder launched from stealth in December 2022 after two years of building with early enterprise customers.
$500M Series D at $11B valuation (Feb 2026) — largest voice AI funding round ever. $330M ARR; 1M+ developers using the API. Enterprise customers: Deutsche Telekom, Revolut, Meta, Salesforce. Voices in 32 languages; real-time cloning from 1 second of audio.
ElevenLabs was founded in 2022 by Piotr Dabkowski and Mati Staniszewski, two former Google and Palantir engineers who set out to break the language barrier using AI voice technology. The company specializes in AI-powered voice synthesis, cloning, and dubbing, enabling developers and enterprises to generate human-quality speech in over 30 languages. Its core technology combines deep learning models trained on massive speech datasets to produce natural-sounding voices indistinguishable from real humans.\n\nElevenLabs offers a suite of products including its flagship text-to-speech API, voice cloning tools, and an AI dubbing platform that localizes video content while preserving the speaker's original voice. Its products target a broad audience—from indie developers building audio apps to large enterprises deploying voice interfaces at scale. Key differentiators include ultra-low latency streaming synthesis, fine-grained voice customization, and a growing library of pre-built AI voices across accents and styles.\n\nElevenLabs has grown rapidly, surpassing $330M in annualized revenue and serving over 1 million developers. Enterprise clients include Deutsche Telekom, Spotify, and leading media companies. In February 2026, the company closed a $500M Series D at an $11B valuation, cementing its position as the market leader in AI voice. Its APIs power podcasts, audiobooks, video games, and customer service bots worldwide, making ElevenLabs the default infrastructure layer for AI-generated audio.
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