Best OpenAI Guardrails Alternatives in 2026
The top OpenAI Guardrails alternatives are Enkrypt AI Guardrails, VotalAI and Guardrails AI: 15 AI guardrail software our editors would look at instead of OpenAI Guardrails, in our ranking order.
OpenAI Guardrails: A flexible, OpenAI-focused guardrail framework for validating LLM workflows. Where it falls short: OpenAI API charges are separate from the open-source framework.
Switching from OpenAI Guardrails? For most ai guardrail software buyers the best OpenAI Guardrails alternative is Enkrypt AI Guardrails, built for teams needing broad production guardrails. On a budget, OpenGuardrails starts at $10/mo.
Why People Look for an OpenAI Guardrails Alternative
- OpenAI API charges are separate from the open-source framework
- SDK language coverage is limited to Python and TypeScript
- Configuration may require files beyond the visual wizard
Quick Picks by What You Need
- Best overallEnkrypt AI Guardrails9.4
Teams needing broad production guardrails
Visit Enkrypt AI Guardrails - Lowest priceOpenGuardrails7.8
Paid plans from $10/mo
Visit OpenGuardrails - Best free optionEnkrypt AI Guardrails9.4
Has a free plan
Visit Enkrypt AI Guardrails
All 15 OpenAI Guardrails Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forTeams needing broad production guardrails
- Better than OpenAI Guardrails:
- Editor score 9.4 vs 9.0
Broad runtime controls for teams securing production AI systems.
- Jailbreak detection
- Prompt injection defense
- PII detection
9.4/10★★★★★Visit Enkrypt AI -
Best forOrganizations wanting broad hybrid protection
- Better than OpenAI Guardrails:
- Editor score 9.2 vs 9.0
Broad hybrid guardrails for prompts, agents, data, tools, and audit workflows.
9.2/10★★★★★Visit VotalAI -
Best forTeams wanting open-source, flexible guardrails
A flexible open-source framework for checking LLM inputs, outputs, and application risks.
8.8/10★★★★☆Visit Guardrails AI -
Best forDevelopers building self-hosted AI controls
A broad self-hosted toolkit for developers enforcing AI policies across application flows.
8.7/10★★★★☆Visit NVIDIA -
Best forAWS-centered teams needing extensive controls
A broad AWS guardrail layer for teams that need detailed AI content controls.
8.6/10★★★★☆Visit AWS -
Best forSecurity teams monitoring AI runtime activity
A security-focused runtime layer for monitoring and controlling production AI activity.
- Jailbreak detection
- Prompt injection defense
- PII detection
8.4/10★★★★☆Visit HiddenLayer -
Best forFramework-agnostic enterprise agent governance
A framework-agnostic control plane for evaluating and blocking risky agent actions.
- Prompt injection defense
- PII detection
- Custom policies
8.3/10★★★★☆Visit Splunk -
Best forTeams needing affordable runtime evaluation
Affordable runtime evaluation with policy enforcement, detection, and gateway integrations.
- Jailbreak detection
- Prompt injection defense
- PII detection
8.2/10★★★★☆Visit Fiddler -
Best forTeams wanting free runtime safety enforcement
Runtime inspection and enforcement for teams protecting production AI applications.
- Jailbreak detection
- Prompt injection defense
- PII detection
8.1/10★★★★☆Visit Openlayer -
Best forTeams wanting a low-cost API guardrail layer
A low-cost API guardrail layer covering content risks, agent tools, data protection, and audits.
- Jailbreak detection
- Prompt injection defense
- PII detection
8.0/10★★★★☆Explore Pangea AI -
Best forEnterprises protecting agents and tool calls
A broad runtime guardrail layer for enterprises securing agents and tool calls.
7.9/10★★★★☆Visit Check Point -
Best forSmall teams wanting inexpensive policy enforcement
Affordable runtime guardrails for teams monitoring agent actions, data, and tool calls.
- Prompt injection defense
- PII detection
- Custom policies
7.8/10★★★★☆Visit OpenGuardrails -
Best forDevelopers needing a simple prompt firewall
A focused prompt firewall for injection, secrets, PII, and policy enforcement.
- Jailbreak detection
- Prompt injection defense
- PII detection
7.7/10★★★★☆Visit OpenSecureAI -
Best forTeams focused on AI red-team testing
A strong fit for AI red-team testing, with broad model coverage and a free entry plan.
7.6/10★★★★☆Visit PromptGuard -
Best forDevelopers wanting open-source scanner services
A focused, self-hosted scanner toolkit for developers securing LLM inputs and outputs.
7.5/10★★★★☆Visit LLM Guard
OpenAI Guardrails Alternatives: Common Questions
What is the best alternative to OpenAI Guardrails?
Enkrypt AI Guardrails: #1 in our AI Guardrail Software ranking, with an editor score of 9.4 out of 10. Broad runtime controls for teams securing production AI systems.
Is there a free alternative to OpenAI Guardrails?
Yes. Enkrypt AI Guardrails, Guardrails AI, NVIDIA NeMo Guardrails, Splunk Guardrails and Fiddler Guardrails have a free plan or a free tier (10 of the 15 alternatives on this page).
What is the cheapest paid alternative to OpenAI Guardrails?
Of the alternatives here that publish a price, OpenGuardrails starts lowest, at $10/mo.
Why do people look for OpenAI Guardrails alternatives?
OpenAI API charges are separate from the open-source framework; SDK language coverage is limited to Python and TypeScript; Configuration may require files beyond the visual wizard.
How do I switch from OpenAI Guardrails?
Export your data from OpenAI Guardrails (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel OpenAI Guardrails.
How to Switch from OpenAI Guardrails
- Export your data from OpenAI Guardrails (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel OpenAI Guardrails.
OpenAI Guardrails vs Each Alternative
| # | Tool | Free plan | Paid from | Deployment | Prompt injection defense | PII detection | Score |
|---|---|---|---|---|---|---|---|
| 3 | OpenAI Guardrails | Free | Hybrid | Yes | Yes | 9.0 | |
| 1 | Enkrypt AI Guardrails | Yes | $134/mo | Yes | Yes | 9.4 | |
| 2 | VotalAI | 9.2 | |||||
| 3 | Guardrails AI | Free | 8.8 | ||||
| 4 | NVIDIA NeMo Guardrails | Free | 8.7 | ||||
| 5 | Amazon Bedrock Guardrails | No | $0.00075/unit usage-based | 8.6 | |||
| 6 | HiddenLayer AI Runtime Security | Hybrid | Yes | Yes | 8.4 | ||
| 7 | Splunk Guardrails | Yes | $100/unit/mo | Hybrid | Yes | Yes | 8.3 |
| 8 | Fiddler Guardrails | Yes | $0.002/unit usage-based | Hybrid | Yes | Yes | 8.2 |
| 9 | Openlayer Guardrails | Yes | Hybrid | Yes | Yes | 8.1 | |
| 10 | Pangea AI Guard | Yes | Hybrid | Yes | Yes | 8.0 | |
| 11 | Check Point AI Guardrails | 7.9 | |||||
| 12 | OpenGuardrails | No | $10/mo | Hybrid | Yes | Yes | 7.8 |
| 13 | OpenSecureAI Prompt Firewall | Yes | $49/mo | Hybrid | Yes | Yes | 7.7 |
| 14 | PromptGuard | Yes | $19/seat/mo | 7.6 | |||
| 15 | LLM Guard | Free | 7.5 |
Head-to-Head
- OpenAI Guardrails vs Enkrypt AI Guardrails
- OpenAI Guardrails vs VotalAI
- OpenAI Guardrails vs Guardrails AI
- OpenAI Guardrails vs NVIDIA NeMo Guardrails
- OpenAI Guardrails vs Amazon Bedrock Guardrails
- OpenAI Guardrails vs HiddenLayer AI Runtime Security
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update