Upstash vs Clerk

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Upstash compared with Clerk
Detail	Upstash	Clerk
What it does	Serverless Data Platform	Not given
Stage	Not given	Established
Founded	Not given	Not given
Based in	US	Not given
Pricing model	freemium	freemium
Pricing	Free tier with 256MB data and 500K monthly commands. Pay as you go at $0.20 per 100K commands, $0.25 per GB storage (first 1GB free), and free bandwidth up to 200GB/month. Fixed monthly plans starting at $10/month. Prod Pack available for $200/month per database.	Not given
Key features	Serverless Redis with 99.99% uptime guarantee Serverless Vector database for high-performance search at scale QStash for serverless messaging and scheduling via HTTP Workflow for serverless function orchestration Box for secure cloud containers for AI agents	Social sign-on with 20+ providers
What makes it different	One unified platform for all serverless data needs Global low latency with data replicated across 8+ regions worldwide Designed specifically for the edge with tested optimization for Vercel, Cloudflare Workers and Fastly MCP Server and Skills for AI agents to manage and debug resources	Generous free tier with 50,000 MRU at no cost MRU pricing model that doesn't count first-day users SOC 2 Type 2 and CCPA compliant with regular third-party audits
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	81 no change since last check	87 no change since last check
Trust Flow (Majestic)	32	34
Citation Flow (Majestic)	53	55
Referring domains (Majestic)	5229	9179

3 details filled in for both companies.

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