Fortinet vs Sierra

Fortinet — Hardware · Public · $124.8B mkt cap · 4 of 4 figures sourced  |  Sierra — Application · Private · $15.8B valuation · 4 of 4 figures sourced

Relationship

Assembled from the recorded fields for this pair, not hand-checked. The comparison below is read from each company’s own profile.

Aligned comparison

FieldFortinetSierra
Size$124.8B mkt cap$15.8B valuation different basis
Employees15,109549 Sierra has 28× fewer
Founded20002023 23 yrs later
StatusPublicPrivate
CategoryHardwareApplication
Stack layerApplication, Infrastructure service, PlatformAI agent, Application, Developer tool
HeadquartersSunnyvale, USASan Francisco, USA

Capability overlap

Shared · 3

Data analysisEvaluation and observabilityWorkflow automation

Not verified for Sierra · 3

Data securityGuardrails and safetyThreat detection and response

Recorded for Fortinet. Sierra’s product records say nothing either way — a missing record is not a missing capability.

Not verified for Fortinet · 4

Agent orchestrationCustomer supportText generationVoice agent

Recorded for Sierra. Fortinet’s product records say nothing either way — a missing record is not a missing capability.

Products, side by side

Algorithmic pairing — assembled from recorded fields, not hand-checked

Fortinet

Application

FortiAI-AssistApplication

AI orchestration platform automating security and network operations: alert triage/investigation, network configuration validation, and threat hunting, integrated across Fortinet's management products.

FortiAI-ProtectApplication

Discovers, controls and governs AI use across enterprise environments: shadow-AI detection (6,500+ AI application URLs), AI-application visibility (FortiView for AI), and AI-workload data-loss prevention.

FortiDLPApplication

Cloud-native data-loss-prevention agent combining machine-learning content/context analysis with a GenAI-powered assistant that summarizes and contextualizes incidents for insider-risk and data-egress protection.

FortiMailApplication

Email security gateway combining machine learning, LLM-based content analysis and image recognition to detect phishing, BEC and other threats across the email lifecycle.

FortiNDRApplication

Uses AI-based behavioural analysis of network traffic to detect lateral movement, data exfiltration and privilege escalation without endpoint agents, sold as on-premises appliances and VMs or as FortiNDR Cloud.

FortiSandboxApplication

Sandbox appliance/service for zero-day and advanced-threat detection, using AI-powered analysis (a purpose-built ML engine plus artificial neural networks) alongside static and dynamic analysis to accelerate verdicts.

Sierra

Application

Agent StudioApplication

Empower customer experience teams to build and manage agents—without writing a line of code. Set up customer journeys, configure knowledge, and define brand guidelines effortlessly.

ChannelsApplication

Create consistent experiences across voice, chat, email, and more in 58 languages, available 24/7/365.

ExplorerApplication

Ask any question in natural language, and Explorer will use analytics and sample customer conversations to provide answers and actionable recommendations.

GhostwriterApplication

Build or modify your agent simply by describing how you want your agent to behave. Prompt workflows, systems integrations, guardrails, tone, and style.

HorizonApplication

Long-horizon agents that get more intelligent with every interaction.

InsightsApplication

Measure what matters, test what works, and understand every agent decision with analytics, experimentation, and observability built for continuous improvement.

No counterpart

Fortinet sells these in a stack layer with no product recorded for Sierra yet — nothing on the other side to compare them against.

Platform

FortiAIOpsPlatform

Applies AI/ML analysis to telemetry from Fortinet network devices to detect pattern anomalies and automate network troubleshooting.

Infrastructure service

FortiAIGateInfrastructure service

A runtime security proxy deployed between applications and LLM endpoints that blocks prompt injection, jailbreaking, model poisoning and excessive-consumption attacks and enforces context-aware data-loss prevention on AI traffic.

Sierra sells these in a stack layer with no product recorded for Fortinet yet — nothing on the other side to compare them against.

AI agent

SierraAI agent

Platform for building and running customer-facing agents that handle support conversations over chat and voice.

Developer tool

Context EngineDeveloper tool

Supplies persistent customer context and behavioral signals to Sierra's conversational agents.