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PlutioOne app to run, grow, and automate your business
vs
SirionThe global leader in AI-native, enterprise-grade contract lifecycle management software.
Comparison · Proposals & Contracts · weekly run Nov 2

Plutio vs Sirion

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

The short answer

Plutio is the stronger AI pick in Proposals & Contracts: it has a visibility score of 8.7 versus 2.5 for Sirion.

Choose Plutio if…

  • You want the brand AI engines rank higher (8.7 vs 2.5)
  • AI answers describe it more positively (80% vs 0% positive)
  • All-in-one proposals, contracts, invoicing, and projects
  • Free 7-day trial with no credit card required

Choose Sirion if…

  • You need ISO 27001:2022 or SOC 1 Type II or SOC 2 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 Plutio Sirion
Visibility score8.7%2.5%
Change vs last weekNewNew
Rank in Proposals & Contracts#11#24
Share of voice2%1%
Mentions this run125
Positive in AI answers80%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 2Plutio 9%

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

Engine by engine

Plutio leads on 1 of 3 engines

ChatGPT
1.7%
4.8%
AI Mode
0%
2.6%
Perplexity
24.4%
0%
PlutioSirion

Head to head in AI answers

0 engine answers name both brands

0Plutio ranked higher
0Sirion ranked higher

Features, pricing & fit

DimensionPlutioSirion
Pricing modelFlat tiers—
Entry price$19 / mo—
Free planNo · 7-day trial—
DeploymentCloud-hosted web app with native apps for iPhone and iPad, Android, and Mac and WindowsCloud-based SaaS platform
Compliance—ISO 27001:2022, SOC 1 Type II, SOC 2 Type II
SupportHelp centre, Community, Contact us—
Founded20152012
HeadquartersLondon, United KingdomLehi, Utah, United States
Employees1–10501–1,000
FundingBootstrappedSeries C
Best forSolo freelancers on the Core plan, growing freelancers and small agencies on Pro, and agencies with 10+ team members on Max—

Plans side by side

Plutio

Core$19month
Pro$49month
Max$199month
Plutio pricing

Sirion

Pricing not available.

Pros and cons

Themes from the AI answers that mention each brand

Plutio

  • All-in-one proposals, contracts, invoicing, and projects
  • Free 7-day trial with no credit card required
  • Flat monthly price with unlimited core features for freelancers
  • Annual billing discount of 15–20%

    Sirion

    • AI-native agentic contract automation

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

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