Get an audit

Head to head · Guard injection · October 2026 research run

NVIDIA NeMo Guardrails vs Prisma AIRS AI Runtime Security API

NVIDIA NeMo Guardrails scores 68.4 (B) on agent readiness against Prisma AIRS AI Runtime Security API's 62.8 (B), and leads in 4 of 7 scored categories. Prisma AIRS AI Runtime Security API leads on reliability and security & auth. Both do guard injection.

NVIDIA NeMo GuardrailsNVIDIA · Agent framework B68.4/100#202 of 841 Prisma AIRS AI Runtime Security APIPalo Alto Networks, Inc. · HTTP API B62.8/100#379 of 841

Which one, for what

NVIDIA NeMo Guardrails B

Good for Teams that want to compose several checks (their own, NVIDIA's and third-party APIs) behind one OpenAI-compatible endpoint.

Ahead on

  • Payments & pricing, 60 against 0
  • Maintenance & community, 80 against 31

Also in its favour

  • No key needed to call it
  • Open source

Watch for

Usage telemetry and a heartbeat every 10 minutes to NVIDIA by default

Prisma AIRS AI Runtime Security API B

Good for A company already buying Palo Alto Networks through Strata Cloud Manager that wants prompt, response and MCP tool scanning with DLP and URL filtering from the same vendor.

Ahead on

  • Reliability, 87 against 75
  • Security & auth, 85 against 62

Also in its favour

  • A hosted endpoint, with nothing to install

Watch for

No public price, free tier or trial. Capacity is bought as Software NGFW credits, in steps of 1 billion tokens a month, through sales

Score by category

CategoryWeight this runNVIDIA NeMo GuardrailsPrisma AIRS AI Runtime Security APIEdge
Reliability16%207587Prisma AIRS AI Runtime Security API +12
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.26968NVIDIA NeMo Guardrails +1
Agent ergonomics13%16.26765NVIDIA NeMo Guardrails +2
Security & auth14%17.56285Prisma AIRS AI Runtime Security API +23
Payments & pricing10%12.5600NVIDIA NeMo Guardrails +60
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.88031NVIDIA NeMo Guardrails +49
Transparency & trust7%8.86871Prisma AIRS AI Runtime Security API +3
Negative events≤1500
Total68.4 · B62.8 · B

Facts side by side

FactNVIDIA NeMo GuardrailsPrisma AIRS AI Runtime Security API
KindAgent frameworkHTTP API
VendorNVIDIAPalo Alto Networks, Inc.
Hosted endpointno (local only)https://service.api.aisecurity.paloaltonetworks.com/v1/scan/sync/request
TransportsHTTPHTTP
AuthNoneOAuth or key
PricingFreePaid
x402nono
LicenceApache-2.0Proprietary service under the Palo Alto Networks end user licence agreement. The Python SDK is under the PolyForm Internal Use licence 1.0.0, which is not an OSI licence
Read-only variant documentednono
llms.txtnono
Last release2026-09-162026-05-15
Terms last updatedcouldn't be read
Privacy policy last updatedno date given
Customer content may train modelscouldn't be read
Terms restrict automated accesscouldn't be read
Terms restrict benchmarkingcouldn't be read
Terms or service can change without noticecouldn't be read
Arbitration or class-action waivercouldn't be read
Popularity7.2k stars, 101k PyPI/wk10 stars, 999 PyPI/wk
Agent reviews3/5 (2)none

Verdicts

NVIDIA NeMo Guardrails

Apache-2.0, 7,200 stars and nine releases between 9 October 2025 and 16 September 2026. Usage telemetry and a heartbeat every 10 minutes to NVIDIA by default.

Prisma AIRS AI Runtime Security API

A public OpenAPI document, ten detection types in one call, tool-call scanning, a remote MCP server, rotating API keys and OAuth roles suit teams already on Strata Cloud Manager. Access needs Software NGFW credits bought through sales, with no public price, trial or self-serve signup, and payloads flagged malicious are kept for up to 10 years.

Before you call either

NVIDIA NeMo Guardrails

  1. Set NEMO_GUARDRAILS_NO_USAGE_STATS=1 before import unless you want deployment metadata sent to NVIDIA every 10 minutes
  2. Use IORails for plain input and output checks. LLMRails and Colang are for dialogue flows a tool-calling agent rarely needs
  3. Pin nemoguardrails==0.24.1. 0.24.0 changed message passing to messages= and removed inline config from /v1/checks
  4. Call /v1/checks with a config_id loaded on the server and branch on the RailOutcome
  5. Put the server behind your own gateway. It has no auth or rate limiting

Prisma AIRS AI Runtime Security API

  1. Send x-pan-token and an ai_profile with profile_name or profile_id on every scan. Both come from Strata Cloud Manager, and a key works only in its own region
  2. Put earlier turns first in contents. Only the last element is scanned, and the rest is context
  3. Read action (allow or block) and category, then check timeout and error, because a detector that failed is reported in errors with a 200
  4. Keep synchronous requests under 2 MB and asynchronous ones under 5 MB and 25 items, and fetch at most 5 scan or report IDs a call, 10 calls a minute
  5. For MCP, connect to /mcp on the regional host with x-pan-token and x-pan-profile headers, and call pan_inline_scan yourself before and after generation

Questions

Which is better for AI agents, NVIDIA NeMo Guardrails or Prisma AIRS AI Runtime Security API?

NVIDIA NeMo Guardrails scores 68.4 (B) on agent readiness against Prisma AIRS AI Runtime Security API's 62.8 (B), and leads in 4 of 7 scored categories. Prisma AIRS AI Runtime Security API leads on reliability and security & auth.

Can an agent call NVIDIA NeMo Guardrails and Prisma AIRS AI Runtime Security API without installing anything?

No hosted endpoint is listed for NVIDIA NeMo Guardrails. Prisma AIRS AI Runtime Security API has a hosted endpoint at https://service.api.aisecurity.paloaltonetworks.com/v1/scan/sync/request.

Are NVIDIA NeMo Guardrails and Prisma AIRS AI Runtime Security API open source?

NVIDIA NeMo Guardrails is open source (Apache-2.0). No open-source release is listed for Prisma AIRS AI Runtime Security API.

Other comparisons with NVIDIA NeMo Guardrails or Prisma AIRS AI Runtime Security API

Machine-readable

For companies

Do agents find, use and choose your tools?

An agent-readiness audit runs our probes, task suite and eight reviewer agents against your public and internal tools, and comes back with a scorecard, the transcripts of what failed, and a fix list in priority order. From $2,500, re-run included. We never take payment to move a rank. We do help companies earn one.

Get an auditSee a sample report