# Portkey Review 2026: Features, Strengths and Gaps | SealGate

An honest Portkey review: what it is, where it is strong, and where it falls short for runtime agent data security, with a source-checked feature comparison against SealGate.

Source: https://sealgate.ai/comparison/portkey-review

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# Portkey review

What Portkey is, where it is strong, and where it falls short for securing AI agents and their tool calls. Every claim is drawn from Portkey's own public material, listed in Sources.

Last updated: September 2026

## What Portkey is

Portkey is an LLM gateway (1,600+ models) with a dedicated MCP Gateway for enforcement gating, and a Lasso Security partnership that adds real-time guardrails at the protocol level.

## Where Portkey is strong

- Provable per-call audit. A receipt for every call: agent, tool, policy version, result.
- SSO, SCIM and RBAC. Enterprise identity, group sync and role-based access.
- Tool-level policy. Read and write tiers, per-tool rules and human-in-the-loop approvals.
- Self-host, on-prem or VPC. Run it in your own environment for data residency.
- Compliance mapping. Evidence mapped to SOC 2, NIST AI RMF and the EU AI Act.
- Low latency overhead. Minimal added latency on the tool-call path.

## Where Portkey falls short

Measured against a runtime agent data firewall. These are the gaps that matter if your priority is stopping data loss at the point of the tool call.

- SealGate is security-native: runtime enforcement, DLP and injection defense are the core product, not a partner add-on. Portkey's security guardrails come through its Lasso Security partnership.
- SealGate runs an endpoint agent and discovers shadow MCP servers; Portkey is a cloud and self-host control plane with no on-device discovery.
- SealGate tunnels local stdio servers in place; Portkey needs local stdio servers exposed as HTTP endpoints first.

## Portkey vs SealGate, feature by feature

SealGate leads with the rows at the top, its clearest points of difference, then the parity rows every enterprise gateway is expected to cover.

| Capability | SealGate | Portkey |
| --- | --- | --- |
| How local stdio MCP servers are handled. Whether your local MCP server stays on the device or is shipped elsewhere. | Tunnel in place (Yes) | Re-expose HTTP (No) |
| Local stdio servers stay on-device. The server keeps running on the machine, with no host-and-lift and no HTTP re-expose. | ✓ Yes | ✕ No |
| Device-level management. An endpoint agent that discovers and governs MCP activity on the device itself. | ✓ Yes | ✕ No |
| Interface coverage. Whether the gateway governs only the MCP protocol, or the agent CLI and LLM API too. | MCP + CLI (Yes) | MCP + API (Partial) |
| Runtime enforcement. Blocks a dangerous tool call before it executes, not just after the fact. | ✓ Yes | ~ Partial |
| DLP, PII and secrets scanning. Inspects tool inputs and outputs for sensitive data at runtime. | ✓ Yes | ~ Partial |
| Prompt injection and tool-poisoning defense. Detects and stops injection, tool poisoning and rug-pull attacks. | ✓ Yes | ~ Partial |
| Gateway holds the credential. The gateway issues the final call so the agent cannot bypass policy and retry. | ✓ Yes | ~ Partial |
| Shadow MCP discovery. Finds unauthorized MCP servers before they are used. | ✓ Yes | ✕ No |
| Provable per-call audit. A receipt for every call: agent, tool, policy version, result. | ✓ Yes | ✓ Yes |
| SIEM integration and export. Streams audit events to Splunk, Sentinel and other SIEMs. | ✓ Yes | ~ Partial |
| SSO, SCIM and RBAC. Enterprise identity, group sync and role-based access. | ✓ Yes | ✓ Yes |
| Tool-level policy. Read and write tiers, per-tool rules and human-in-the-loop approvals. | ✓ Yes | ✓ Yes |
| Self-host, on-prem or VPC. Run it in your own environment for data residency. | ✓ Yes | ✓ Yes |
| Compliance mapping. Evidence mapped to SOC 2, NIST AI RMF and the EU AI Act. | ~ Partial | ✓ Yes |
| Low latency overhead. Minimal added latency on the tool-call path. | ✓ Yes | ✓ Yes |
| Open source core. An open, inspectable core rather than a closed proxy. | ✕ No | ~ Partial |

›

✓ Strong or native ~ Partial or via a partner ✕ Not offered – Not publicly verified

Bottom line: Portkey is an LLM gateway with security added through its Lasso partnership; SealGate is security-native, with runtime enforcement, DLP, and shadow-MCP discovery as the core product.

## How SealGate delivers this

The capabilities above are covered in depth on the product, security and deployment pages.

[How the SealGate gateway works](https://sealgate.ai/product) [Runtime DLP and prompt-injection defense](https://sealgate.ai/security) [Self-hosting and data residency](https://sealgate.ai/self-hosting)

## Evaluating Portkey for agent security?

See how SealGate blocks dangerous tool calls, scans for data loss, and keeps local servers on the device. Start free, or book a walkthrough.

[Start Free](https://dashboard.sealgate.ai) [Book a Demo](https://sealgate.ai/contact)

## Frequently asked questions

What is Portkey? Portkey is an LLM gateway (1,600+ models) with a dedicated MCP Gateway for enforcement gating, and a Lasso Security partnership that adds real-time guardrails at the protocol level.

What are the main limitations of Portkey? The clearest gap for teams focused on runtime data security: SealGate is security-native: runtime enforcement, DLP and injection defense are the core product, not a partner add-on. Portkey's security guardrails come through its Lasso Security partnership. Weigh this against your own priorities before deciding.

Is Portkey worth it? It depends on the axis you care about. Portkey is an LLM gateway with security added through its Lasso partnership; SealGate is security-native, with runtime enforcement, DLP, and shadow-MCP discovery as the core product. Compare the two on the capabilities that matter to you.

## Sources

Claims about Portkey are drawn from its own public documentation, last reviewed September 2026. If something is out of date, tell us at [hello@sealgate.ai](mailto:hello@sealgate.ai) and we will correct it.

- [Portkey](https://portkey.ai)

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