PromptGlass vs Zscaler
for workplace AI.
Organizations that run Zscaler often look at PromptGlass to go deeper on generative AI. PromptGlass can receive AI traffic chained from your existing gateway, analyze prompts for use cases and risk, and manage AI cost across seats and APIs.
Why teams add PromptGlass
Built only for AI usage
Deeper on AI, lighter on change
Forward only AI-catalog domains to PromptGlass from your existing gateway.
Prompt-level understanding
Use-case clustering, prompt quality and per-team efficiency signals.
One ledger for AI spend
Seats and tokens across every AI provider, with idle-seat reclamation.
Self-host option
Keep prompt content in your own Kubernetes cluster and object storage.
Evaluation checklist
Questions to ask any AI governance vendor
Here is how PromptGlass answers each one. Put the same questions to every vendor on your shortlist.
| Question | PromptGlass |
|---|---|
| Which AI interactions are covered: web, desktop, IDE, API and local models? | ✓All five, using four sensors (gateway, browser extension, endpoint agent and SaaS API connectors) that report into one timeline per user. |
| Can it tell personal accounts from corporate workspaces in the same AI app? | ✓Yes. Account type is recorded per interaction and can be used in policy. |
| What actions are available besides block? | ✓Log, coach, redact (with restore in the response) and reroute to an approved model, in addition to allow and block. |
| Does it measure AI adoption, efficiency and ROI, not only risk? | ✓Yes. Use-case clustering, prompt quality, re-prompt rates and time-saved estimates per team. |
| Does it find unused AI seats and duplicate AI subscriptions? | ✓Yes. Seat utilization for ChatGPT, Claude, Microsoft 365 Copilot and GitHub Copilot, plus overlap reports. |
| Can it govern API traffic from internal apps and agents? | ✓Yes. An OpenAI- and Anthropic-compatible gateway with virtual keys, budgets and routing. |
| Can it run fully self-hosted or air-gapped? | ✓Yes. Helm chart for Kubernetes, with an offline edition for air-gapped networks. |
| How is employee privacy protected? | ✓Pseudonymization by default, per-policy storage modes, four-eyes re-identification and regional data residency. |
PromptGlass vs Zscaler: FAQ
How does PromptGlass chain behind Zscaler?
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You forward traffic for AI-catalog domains from your existing gateway to the PromptGlass Gateway, or use the browser extension with no network change at all. See the SWG chaining guide in the docs.
More comparisons
Zscaler is a trademark of Zscaler. PromptGlass is not affiliated with or endorsed by Zscaler. This page describes PromptGlass’s capabilities only. Ask each vendor to confirm how their product handles the questions above.
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