# Onyx Platform vs SlashLLM: side-by-side comparison (2026)

[Onyx Platform](https://cybersectools.com/tools/onyx-platform) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Onyx Security](https://cybersectools.com/companies/onyx-security). [SlashLLM](https://cybersectools.com/tools/slashllm) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [SlashLLM](https://cybersectools.com/companies/slashllm). Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | Onyx Platform | SlashLLM |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | LLM Guardrails |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Onyx Security | SlashLLM |
| Headquarters | – | – |

### Use cases and capabilities

| | Onyx Platform | SlashLLM |
|---|---|---|
| Agentic AI Security | Yes | Yes |
| AI Governance | Yes | Yes |
| AI Observability | Yes | Yes |
| AI SPM | Yes | – |
| LLM Guardrails | Yes | Yes |
| LLM Security | Yes | Yes |
| MCP Security | Yes | – |
| Prompt Injection | Yes | Yes |
| Shadow AI | Yes | – |
| GenAI Security | Yes | Yes |
| AI Gateway | – | Yes |
| AI SOC | – | Yes |
| AI Compliance | – | Yes |

### Core features

**Onyx Platform**

10 features listed. Sign in on the page to see them.

**SlashLLM**

10 features listed. Sign in on the page to see them.

### Integrations

**Onyx Platform**

11 integrations listed. Sign in on the page to see them.

**SlashLLM**

8 integrations listed. Sign in on the page to see them.

## Onyx Platform vs SlashLLM FAQ

Common questions when comparing Onyx Platform vs SlashLLM for agentic AI security.

### What is the difference between Onyx Platform and SlashLLM?

**Onyx Platform**: AI control plane for enterprise AI agent security, governance, and observability. Built by Onyx Security.

**SlashLLM**: AI security platform proxying LLM traffic with guardrails, SOC, and governance. Built by SlashLLM.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Onyx Platform and SlashLLM?

**Onyx Platform** is made by Onyx Security. **SlashLLM** is made by SlashLLM. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Onyx Platform a good alternative to SlashLLM?

In part. Onyx Platform and SlashLLM are not in the same category on CybersecTools. Both cover LLM Security, LLM Guardrails, Prompt Injection. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Onyx Platform vs HikmaAI](https://cybersectools.com/compare/hikmaai-vs-onyx-platform)
- [Onyx Platform vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-onyx-platform)
- [Onyx Platform vs Oryo](https://cybersectools.com/compare/onyx-platform-vs-oryo)
- [SlashLLM vs HikmaAI](https://cybersectools.com/compare/hikmaai-vs-slashllm)
- [SlashLLM vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-slashllm)
- [SlashLLM vs Oryo](https://cybersectools.com/compare/oryo-vs-slashllm)

## Alternatives to each

- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)
- [See all SlashLLM alternatives](https://cybersectools.com/alternatives/slashllm)

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Source: https://cybersectools.com/compare/onyx-platform-vs-slashllm

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/onyx-platform.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Onyx Platform and SlashLLM: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md