Side-by-side record

15Five vs. Google Vertex AI

A side-by-side view of the product records we have today. Use it to narrow the question, then confirm current pricing, limits, and security details with each vendor.

The short version

Google Vertex AI starts at Free per seat, versus 15Five at $4. Google Vertex AI carries the higher aggregate rating (9.6/5 vs 4.7/5).

Full comparison

	15Fivefrom $4 per user/mo	Google Vertex AIfrom Free
Audyense Score	80ASStrong	29AS*Low
Positioning	AI-powered performance management platform for engagement, reviews, and manager effectiveness	Google Vertex AI is a powerful platform that signifies Google’s unwavering commitment to advancing the field of artificial intelligence.
Free tier	No	Yes
Deployment	Cloud / SaaS	Cloud / SaaS
Best fit	SMB, Mid-market, Enterprise	Startup, SMB, Mid-market
Pricing plans	Engage$4 Perform$11 Total Platform$16	Free or entry planFree Higher tiersCustom pricing
Applicant tracking (ATS)	NoNot an ATS; integrates with HR systems instead	—
Benefits administration	No	—
Employee directory & org chart	NoSyncs people data from HRIS integrations rather than acting as the directory of record	—
Mobile app	PartialMobile apps exist but reviewers report navigation issues and missing features vs web	—
Employee onboarding	No	—
Payroll	No	—
Performance reviews	YesCore product: AI-assisted reviews, 360° feedback, talent matrix	—
Public API	YesAPI and SFTP listed on the integrations page	—
Reporting & dashboards	YesHR Dashboard, Insights Dashboard, heat maps; reviewers note limited customization	—
Time-off & PTO management	No	—
AutoML Capabilities	—	YesDocumented in the independently researched profile.
Custom Model Development	—	YesDocumented in the independently researched profile.
Pre-built Models	—	YesDocumented in the independently researched profile.
Model Deployment and Monitoring	—	YesDocumented in the independently researched profile.
Model Versioning and Management	—	YesDocumented in the independently researched profile.
Real-time Predictions	—	YesDocumented in the independently researched profile.
Custom Training Containers	—	YesDocumented in the independently researched profile.
Multi-Cloud Deployment	—	YesDocumented in the independently researched profile.
AI Explanations	—	YesDocumented in the independently researched profile.
Data Labeling Services Integration	—	YesDocumented in the independently researched profile.
Jupyter Notebooks	—	YesDocumented in the independently researched profile.
AI for Multiple Data Types	—	YesDocumented in the independently researched profile.
Model Hyperparameter Tuning	—	YesDocumented in the independently researched profile.
Custom Training Jobs.	—	YesDocumented in the independently researched profile.
Integrations verified	15+	—
Aggregate rating	4.7 · 895 reviews	9.6 · No reviews yet
Integrations	SlackMicrosoft TeamsWorkdayBambooHRADPRippling+9 more	—
Security & compliance	SOC 2GDPRPIPEDAISO 27001 data centers	—
Pros	Weekly check-in cadence keeps feedback frequent and transparent, making performance conversations continuous rather than annual Structured 1-on-1s centralize conversation history and action items, which managers cite as a standout Goal/OKR tracking is straightforward, with strongly positive reviewer sentiment on progress monitoring High Fives peer recognition is popular and boosts team morale	Independent review documents a concrete business workflow Documented capability: AutoML Capabilities Documented capability: Custom Model Development Documented capability: Pre-built Models Documented capability: Model Deployment and Monitoring
Cons	Survey and check-in questions can feel rigid and repetitive, and are hard to customize Mobile experience lags the web app, with navigation issues and missing features Reviewers call pricing higher than market value, and SSO is gated to higher plans Reporting and analytics customization is limited, and navigation between the growing feature set can be confusing	Pricing and usage limits should be checked against the exact plan Implementation effort depends on the team's data and process maturity Reported outcomes should be validated with the buyer's own data
	Visit 15Five ↗	Visit Google Vertex AI ↗

Editorial read of this comparison

The table summarizes structured facts; this section explains what the differences mean for a real buying decision.

Where each tool fits, and where it may not

15Five

15Five is a performance management platform that combines weekly check-ins, OKR/goal tracking, engagement surveys, 360° feedback, and structured 1-on-1s in one system. It targets mid-market and enterprise HR teams and pairs the software with manager training and coaching add-ons to improve manager effectiveness and retention.

A particularly good fit for: Mid-market HR teams that want check-ins, OKRs, reviews, and engagement surveys in one system instead of separate point tools Organizations investing in manager effectiveness, given the built-in training, coaching, and microlearning add-ons Teams replacing annual reviews with a continuous-feedback model built on weekly check-ins and structured 1-on-1s

May be a poor fit if: Companies needing a core HRIS — 15Five has no payroll, benefits, ATS, or time-off management Budget-constrained small teams — reviewers flag above-market pricing and SSO locked to higher tiers

Google Vertex AI

Google Vertex AI is a powerful platform that signifies Google’s unwavering commitment to advancing the field of artificial intelligence. It’s designed to simplify and optimize the entire process of building and deploying machine learning models, making AI accessible to a broader range of users while also providing tools for experts to create customized solutions. This platform offers a unified environment where data preparation, model development, and model deployment are seamlessly integrated, offering a holistic approach to AI development. One of the standout features of Google Vertex AI is its AutoML capabilities. These tools cater to users with varying levels of expertise, allowing them to build AI models without the need for deep technical knowledge. Whether it’s image recognition, natural language processing, or structured data analysis, AutoML simplifies model creation, democratizing AI by empowering business professionals and data enthusiasts to harness its power. For those with more specialized needs, Google Vertex AI supports custom model development. It enables data scientists and machine learning engineers to work with popular deep learning frameworks such as TensorFlow and PyTorch, providing a high degree of flexibility to craft models tailored to specific use cases. This duality in approach, accommodating both novices and experts, makes Vertex AI an inclusive platform that can cater to diverse user profiles. Vertex AI’s seamless integration with other Google Cloud services is another noteworthy feature. This integration guarantees scalability and reliability, as organizations can tap into Google Cloud’s robust infrastructure, data storage, and analytics tools. As AI solutions grow in complexity and data volumes increase, this cohesive environment ensures that AI models can evolve to meet the demands of real-world application

A particularly good fit for: B2B teams evaluating HR and People software Teams that need documented workflow capabilities and fit guidance Organizations willing to validate implementation and plan limits

May be a poor fit if: Teams seeking a workflow outside the product's documented focus Teams needing unlimited usage without plan limits

Pricing and plan structure

15Five: Published starting price $4 per user/mo

Engage$4 per user/mo (billed annually)
Perform$11 per user/mo (billed annually)
Total Platform$16 per user/mo (billed annually)

Google Vertex AI: Published starting price Free

Free or entry planFree
Higher tiersCustom pricing

Capabilities worth validating

15Five: Mobile app, Performance reviews, Public API, Reporting & dashboards Integrations include Slack, Microsoft Teams, Workday, BambooHR.
Google Vertex AI: AutoML Capabilities, Custom Model Development, Pre-built Models, Model Deployment and Monitoring, Model Versioning and Management

Questions to answer before switching

Does 15Five's selected plan include the features and limits we need?
Does Google Vertex AI's selected plan include the features and limits we need?
Does the exact integration path for Slack, Microsoft Teams, Workday support the sync direction, permissions, and volume we need?
Is a hosted-only deployment acceptable for the team and customers who will use this system?

How to evaluate this shortlist

A useful comparison turns the differences between HR & People tools into a concrete test. Use these steps to avoid choosing from a feature table or the lowest headline price alone.

Start with a representative HR & People workflow, not a feature checklist. Define who will use it, what data goes in, and what outcome the team needs.
Test the complete path through Slack, Microsoft Teams, Workday: permissions, sync direction, failure handling, and volume limits often matter more than the integration name.
Compare the cost of the real scenario, including users, usage, storage, support, and contract requirements. The entry price alone does not measure adoption cost.
Before switching, list the evidence gaps, request a demo of the critical workflow, and confirm security, data residency, export, and support with each vendor.

Structured signals help narrow the shortlist, but a trial with a real workflow is still the best way to validate the decision.

Research basis

Last checked: 2026-08-18. Pricing, integrations, feature support, and review signals can change, so treat this as a research snapshot and verify the final decision with the vendor.

Sources consulted: 15Five product site, Capterra, G2; Google Vertex AI product site, FinancesOnline review, Vendor website