Arcee AI vs Stability AI
Side-by-side comparison of AI visibility scores, market position, and capabilities
$20M total raised. Trinity-Large-Thinking (400B param, Apache 2.0) launched April 2026 — hit #1 most-used open model on OpenRouter with 80.6B tokens/day peak. Led 33-day training run on 2048 NVIDIA B300 GPUs.
About
Arcee AI is a scrappy open-source model lab that bet nearly half its total funding on a single 33-day training run on 2,048 NVIDIA B300 Blackwell GPUs to train Trinity-Large-Thinking — a 400 billion parameter model released under Apache 2.0 license in April 2026. The model hit #1 on OpenRouter's most-used open model ranking and peaked at 80.6 billion tokens served per day — making it one of the most-used open-weight models from a non-Chinese AI lab.
Open-source generative AI company behind Stable Diffusion. Image, video, audio, 3D models. Founded 2019, London. Raised $200M+. ~$50M revenue (2024). EA partnership. Private.
About
Stability AI is a generative AI company founded in 2019 by Emad Mostaque and Cyrus Hodes, headquartered in London. Rose to prominence with Stable Diffusion (August 2022), an open-weights text-to-image model. Raised over $200 million total. Under new CEO Prem Akkaraju (after Mostaque's departure), the company eliminated debt and achieved triple-digit revenue growth.
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