SiftServe vs Harny

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

SiftServe compared with Harny
Detail	SiftServe	Harny
What it does	Web infrastructure that translates your site into an AI-readable version approved by you and served to agents at the edge	Agent harness infrastructure that gives AI agents memory for each user, connected accounts, action limits and an audit record.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	AE	CA
Pricing model	Freemium	Freemium
Pricing	Free eight-week pilot including onboarding and model costs. Three paid plans after pilot: Pay as you go (self-serve, usage-based), Subscription (self-serve, monthly or annual flat fee), and Managed (done by company, pricing quoted per site). All plans quoted per individual site based on page count,	Free: first 500 monthly-active end users per month, free forever. Paid: $0.30 per monthly-active end user above 500, billed monthly.
Key features	AI agent rebuilds pages into semantic HTML, FAQs, and structured data Vision pass captures facts locked inside images Sifted pages use roughly 90% fewer tokens than originals Served from edge, humans and search crawlers see original site unchanged Before-and-after audit score for every page Measures citations and AI referrals from sifted pages	Timestamped memory ingestion with backdating capability Per-user data isolation and privacy scoping Ranked memory recall with dated evidence Connected accounts integration per user Long-running agent jobs with folder-level operations Configurable token ceiling per API call Enforced action limits on agent operations Complete action audit trail with hash chaining MCP server integration for Claude and other clients
What makes it different	Only AI agents see sifted pages; humans and Google crawlers see original site unchanged Every claim traces 1:1 to original pages; AI never fabricates or adds content 90% fewer tokens per page while carrying 37% more readable content Human in the loop approval for every page before serving to agents Measures results with before-and-after comparison on your traffic	Highest published BEAM benchmark score at 128K tokens: 85.1, compared to competing memory systems 98% fewer tokens required than raw tool output, making responses 4× cheaper Works with 20+ agent frameworks including LangChain, LangGraph and LlamaIndex First 500 monthly-active end users free forever Per-person billing model scales with user growth, not API calls
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)	22 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	9	0
Citation Flow (Majestic)	27	0
Referring domains (Majestic)	61	1

6 details filled in for both companies.

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