Subsets vs Grok
Side-by-side comparison of AI visibility scores, market position, and capabilities
Copenhagen YC S23 AI retention automation for subscription media serving NY Times Athletic and Børsen; $1.65M Upfin pre-seed Feb 2024 with explainable AI experiments competing with Chargebee for churn reduction in digital publishing and streaming.
About
Subsets is a Copenhagen, Denmark-based AI retention automation company — backed by Y Combinator (S23) with $1.65 million in pre-seed funding in February 2024 led by Upfin with participation from YC, Cuesta Labs, Sandhill Markets, and Phillip Chambers — providing subscription media companies, digital publishers, and streaming platforms with an AI-driven churn reduction platform that automatically designs, deploys, and evaluates retention experiments to identify which personalized interventions reduce subscriber cancellations at scale. Founded in 2023 by Oliver Brandt, Martin Johnsen, and Nikolai Skelbo, Subsets operates with a 7-person team and serves notable subscription media customers including The Athletic (The New York Times subsidiary), and Børsen (Danish financial newspaper).
AI assistant by xAI (Elon Musk); Grok 3 topped reasoning benchmarks in Feb 2025; 1M+ paying subscribers in week one; real-time X post access; distributed via X Premium; xAI valued at $24B.
About
Grok is the AI assistant developed by xAI, Elon Musk's AI company founded in 2023, and distributed primarily through X (formerly Twitter). Grok launched in November 2023 as an X Premium perk, with the notable differentiator of real-time access to X posts and a less restricted, more direct conversational style. Grok 3, released in February 2025, achieved top scores on the AIME math reasoning benchmark and ARC-AGI test, briefly positioning xAI as a frontier model lab.
AI Visibility Head-to-Head
Capabilities & Ecosystem
Capabilities
Also Compare
Track AI Visibility in Real Time
Monitor how your brand performs across ChatGPT, Gemini, Perplexity, Claude, and Grok daily.