Skip to content
SlateIndex
LoopioAI RFP Software Built for the People Behind Every RFP
vs
SirionThe global leader in AI-native, enterprise-grade contract lifecycle management software.
Comparison · Proposals & Contracts · weekly run Nov 2

Loopio vs Sirion

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Loopio is the stronger AI pick in Proposals & Contracts: it has a visibility score of 6 versus 2.5 for Sirion, and ranks ahead in 50% of the answers that name both.

Choose Loopio if…

  • You want the brand AI engines rank higher (6 vs 2.5)
  • AI answers describe it more positively (46% vs 0% positive)
  • You need GDPR compliant or CCPA compliant coverage
  • Centralized reusable content management for RFPs

Choose Sirion if…

  • You need ISO 27001:2022 or SOC 1 Type II coverage
  • You prefer a larger, established vendor (501–1,000 employees)
  • AI-native agentic contract automation

AI visibility side by side

Latest weekly run · Nov 2

Metric Loopio Sirion
Visibility score6%2.5%
Change vs last weekNewNew
Rank in Proposals & Contracts#15#24
Share of voice2.2%1%
Mentions this run125
Positive in AI answers46%0%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 2Loopio 6%

Loopio 0pp · Sirion 0pp over 0 weekly runs.

Engine by engine

Loopio leads on 2 of 3 engines

ChatGPT
2.6%
4.8%
AI Mode
6.7%
2.6%
Perplexity
8.9%
0%
LoopioSirion

Head to head in AI answers

2 engine answers name both brands

1Loopio ranked higher
1Sirion ranked higher

Features, pricing & fit

DimensionLoopioSirion
Pricing modelFlat tiers—
Entry priceContact sales—
Free planNo—
DeploymentCloud-delivered, hosted on Amazon Web ServicesCloud-based SaaS platform
ComplianceSOC 2 Type II, GDPR compliant, CCPA compliantISO 27001:2022, SOC 1 Type II, SOC 2 Type II
SupportOnboarding Manager training and setup, Ongoing Customer Success guidance, On-demand learning hub, Phone, email and in-app support—
Founded20142012
HeadquartersToronto, CanadaLehi, Utah, United States
Employees201–500501–1,000
FundingStrategic investment from Sumeru Equity PartnersSeries C
Best forProposal and bid managers, sales teams, pre-sales, IT and InfoSec, investor relations and marketing teams that answer RFPs, DDQs and security questionnaires.—

Plans side by side

Loopio

FoundationsCustom
EnhancedCustom
EnterpriseCustom
Loopio pricing

Sirion

Pricing not available.

Pros and cons

Themes from the AI answers that mention each brand

Loopio

  • Centralized reusable content management for RFPs
  • Strong for high-volume RFP and security questionnaire responses
  • Recognized as a leading enterprise RFP response tool

    Sirion

    • AI-native agentic contract automation

      Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run

      Cite as: SlateIndex, “Loopio vs Sirion”, https://slateindex.ai/compare/loopio-vs-sirion, data of Nov 2, 2026. Licence: CC BY 4.0.