# SlashLLM vs Traceable API Security: side-by-side comparison (2026)

[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). [Traceable API Security](https://cybersectools.com/tools/traceable-appsec) is a commercial [API security](https://cybersectools.com/categories/api-security) solution by [Harness](https://cybersectools.com/companies/harness). Features, integrations, deployment and the company behind each one, side by side.

## Our take

What our shortlists say about the one we picked.

### [Traceable API Security](https://cybersectools.com/tools/traceable-appsec)

Best for: AppSec teams covering APIs from code to runtime

Traceable belongs here if you want API testing in development and runtime protection from one vendor, with the activity data kept for later hunts. It runs in the cloud and is built for microservice and container estates. Since Harness now owns it, ask how the product will develop under its new owner before you sign a long contract.

From [Best API Security Solutions for Business](https://cybersectools.com/shortlists/best-api-security-solutions), Fall 2026.

Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about).

## Side-by-side comparison

| | SlashLLM | Traceable API Security |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | LLM Guardrails | API Security |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | SlashLLM | Harness |
| Headquarters | – | – |

### Use cases and capabilities

| | SlashLLM | Traceable API Security |
|---|---|---|
| LLM Security | Yes | – |
| LLM Guardrails | Yes | – |
| AI Gateway | Yes | – |
| Prompt Injection | Yes | – |
| AI Governance | Yes | – |
| AI Observability | Yes | – |
| AI SOC | Yes | – |
| AI Compliance | Yes | – |
| GenAI Security | Yes | – |
| Agentic AI Security | Yes | – |
| OWASP | – | Yes |

### Core features

**SlashLLM**

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

**Traceable API Security**

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

### Integrations

**SlashLLM**

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

**Traceable API Security**

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

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [SlashLLM](https://cybersectools.com/tools/slashllm) fits if you need both cloud and on-premises options.
- [Traceable API Security](https://cybersectools.com/tools/traceable-appsec) fits if you want a cloud product and you are a small business.

## SlashLLM vs Traceable API Security FAQ

Common questions when comparing SlashLLM vs Traceable API Security for LLM guardrails.

### What is the difference between SlashLLM and Traceable API Security?

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

**Traceable API Security**: Platform for API & app security with discovery, testing, and protection. Built by Harness.

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

### Who makes SlashLLM and Traceable API Security?

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

### Is SlashLLM a good alternative to Traceable API Security?

In part. SlashLLM and Traceable API Security are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [SlashLLM vs Portkey Guardrails for Bedrock](https://cybersectools.com/compare/portkey-guardrails-for-bedrock-vs-slashllm)
- [SlashLLM vs Confident Security](https://cybersectools.com/compare/confident-security-vs-slashllm)
- [SlashLLM vs ThirdLaw AI Control Layer](https://cybersectools.com/compare/slashllm-vs-thirdlaw-ai-control-layer)
- [Traceable API Security vs Portkey Guardrails for Bedrock](https://cybersectools.com/compare/portkey-guardrails-for-bedrock-vs-traceable-appsec)
- [Traceable API Security vs Confident Security](https://cybersectools.com/compare/confident-security-vs-traceable-appsec)
- [Traceable API Security vs ThirdLaw AI Control Layer](https://cybersectools.com/compare/thirdlaw-ai-control-layer-vs-traceable-appsec)

## Alternatives to each

- [See all SlashLLM alternatives](https://cybersectools.com/alternatives/slashllm)
- [See all Traceable API Security alternatives](https://cybersectools.com/alternatives/traceable-appsec)

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Source: https://cybersectools.com/compare/slashllm-vs-traceable-appsec

For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/slashllm.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on SlashLLM and Traceable API Security: 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