Stack AV vs ElevenLabs
Side-by-side comparison of AI visibility scores, market position, and capabilities
Stack AV is building autonomous vehicle technology for commercial trucking, founded by Argo AI alumni with deep experience in large-scale AV deployment.
About
Stack AV is an autonomous vehicle company founded in 2022 by former executives and engineers from Argo AI following that company's shutdown. The founding team brings experience building and scaling self-driving systems for both passenger and commercial vehicle applications. Stack AV is focused on the commercial trucking market, developing autonomous driving software designed for long-haul freight operations. The company raised $150M in Series A funding led by SoftBank to accelerate development of its autonomous trucking system. Stack AV is developing a full-stack autonomous driving solution covering perception, prediction, planning, and mapping optimized for the operational design domain of highway freight. The company benefits from its founders' experience navigating the technical and regulatory challenges of AV deployment at scale. Stack AV represents the continued consolidation of AV talent into trucking applications as the industry pivots from passenger autonomy toward the freight sector where economics and regulatory pathways are more favorable.
$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.
About
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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