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KLA Digital
Comparison

KLA vs Portkey

Portkey is a strong AI gateway/guardrails layer with production features like RBAC, audit logs, and exports. KLA governs workflow decisions with approvals and evidence exports for audits.

Gateways make requests safer. Regulated audits ask for decision governance: who approved, what policy applied, and what evidence proves it.

For ML platform teams centralizing model access, routing, spend controls, and request-level guardrails.

Last updated: Dec 17, 2025 · Version v1.0 · Not legal advice.

Audience

Who this page is for

A buyer-side framing (not a dunk).

For ML platform teams centralizing model access, routing, spend controls, and request-level guardrails.

Tip: if your buyer must produce Annex IV / oversight records / monitoring plans, start from evidence exports, not from tracing.
Context

What Portkey is actually for

Grounded in their primary job (and where it overlaps).

Portkey is built for the gateway layer: routing requests across model providers, applying guardrails, standardizing access, and exporting logs for downstream uses. It also positions enterprise admin controls (like RBAC and audit logs) as part of its production stack.

Overlap

  • Both can sit in a regulated stack: gateways govern requests; control planes govern business decisions and approvals.
  • Both can contribute evidence — the question is whether you’re exporting raw request logs or a deliverable-shaped evidence bundle for audits.
  • Many teams use both: Portkey for provider access/routing and KLA for decision-time approval gates and evidence exports.
Strengths

What Portkey is excellent at

Recognize what the tool does well, then separate it from audit deliverables.

  • Gateway pattern: filter/fix/route requests to multiple model providers.
  • Centralized guardrails and routing policy at the request layer.
  • Enterprise administration features like RBAC/audit logs and log exports (plan/edition dependent).
  • Centralizing model access controls (e.g., cataloging/allowlisting models) at the platform layer.

Where regulated teams still need a separate layer

  • Decision-level oversight: an enforceable approval gate for business actions (not just request middleware).
  • A clear separation between platform audit logs (admin/config changes) and workflow decision records (who approved an agent action).
  • Evidence packs that bundle approvals, policies, sampling outcomes, and integrity proofs — not just request logs.
  • Annex IV-style exports that map workflow evidence to required documentation sections.
Nuance

Out-of-the-box vs build-it-yourself

A fair split between what ships as the primary workflow and what you assemble across systems.

Out of the box

  • Request routing across providers, retries/fallbacks, and standardized access patterns.
  • Request-level guardrails and policy enforcement.
  • Centralized logging/observability and log exports for downstream systems.
  • Enterprise admin features like RBAC and platform audit logs (plan/edition dependent).
  • Centralized model governance at the access layer (allowlists/catalogs).

Possible, but you build it

  • A workflow approval gate that blocks a high-risk business action until an authorized reviewer approves (with escalation and overrides).
  • Decision records tied to business outcomes (what the reviewer saw, why they approved, timestamps, identity).
  • A deliverable-shaped evidence pack export mapped to Annex IV/oversight deliverables (manifest + checksums).
  • Retention and integrity posture for multi-year audit evidence (often 7+ years in regulated programs).
Example

Concrete regulated workflow example

One scenario that shows where each layer fits.

Account closure workflow

An agent drafts a customer-facing account closure email and proposes account closure steps. A gateway can guard the request; regulated operations often also require a decision-time approval gate before a customer is contacted or an account status changes.

Where Portkey helps

  • Standardize model access and apply request-level guardrails before the LLM is called.
  • Log requests/responses centrally for debugging, analytics, and exports.

Where KLA helps

  • Block the business action (send email / change status) until an authorized reviewer approves.
  • Capture approval/override records as workflow decision evidence with context and rationale.
  • Export an auditor-ready evidence bundle mapped to deliverables (manifest + checksums).
Decision

Quick decision

When to choose each (and when to buy both).

Choose Portkey when

  • Your main problem is standardizing provider access, routing, guardrails, and spend controls.

Choose KLA when

  • Your main problem is governing workflow decisions and producing audit-ready evidence exports.
  • You need role-aware queues and escalation for high-risk actions.

When not to buy KLA

  • You only need request routing/guardrails and are not producing audit artifacts from workflow decisions.

If you buy both

  • Use Portkey at the request layer for routing and guardrails.
  • Use KLA above the workflow layer for approvals, sampling, and evidence exports.

What KLA does not do

  • KLA is not a request gateway/proxy; it does not aim to replace your provider routing and middleware guardrails.
  • KLA is not a model-provider abstraction layer.
  • KLA is not a prompt experimentation suite.
KLA

KLA’s control loop (Govern / Measure / Prove)

What “audit-grade evidence” means in product primitives.

Govern

  • Policy-as-code checkpoints that block or require review for high-risk actions.
  • Role-aware approval queues, escalation, and overrides captured as decision records.

Measure

  • Risk-tiered sampling reviews (baseline + burst during incidents or after changes).
  • Near-miss tracking (blocked / nearly blocked steps) as a measurable control signal.

Prove

  • Tamper-proof, append-only audit trail with external timestamping and integrity verification.
  • Evidence Room export bundles (manifest + checksums) so auditors can verify independently.

Note: some controls (SSO, review workflows, retention windows) are plan-dependent — see /pricing.

Download

RFP checklist (downloadable)

A shareable procurement artifact (backlink magnet).

RFP CHECKLIST (EXCERPT)
# RFP checklist: KLA vs Portkey

Use this to evaluate whether “observability / gateway / governance” tooling actually covers audit deliverables for regulated agent workflows.

## Must-have (audit deliverables)
- Annex IV-style export mapping (technical documentation fields → evidence)
- Human oversight records (approval queues, escalation, overrides)
- Post-market monitoring plan + risk-tiered sampling policy
- Tamper-evident audit story (integrity checks + long retention)

## Ask Portkey (and your team)
- Can you enforce decision-time controls (block/review/allow) for high-risk actions in production?
- How do you distinguish “human annotation” from “human approval” for business actions?
- Can you export a self-contained evidence bundle (manifest + checksums), not just raw logs/traces?
- What is the retention posture (e.g., 7+ years) and how can an auditor verify integrity independently?
- Show the difference between exporting request logs and exporting a decision evidence pack (approvals, policies, sampling, integrity proofs).
Links

Related resources

Evidence pack checklist

/resources/evidence-pack-checklist

Open

Annex IV template pack

/annex-iv-template

Open

EU AI Act compliance hub

/eu-ai-act

Open

Compare hub

/compare

Open

Request a demo

/book-demo

Open