LLM Reference

Router compare

AIRouter vs Portkey

Router-vs-router comparison for integration shape, routing policy, target providers, pricing model, and data handling. Use this view for the routing layer; use model compare when choosing the model itself.

AIRouter

Heureka Labs UG

Fresh
Commercial LLM router that analyzes incoming requests and routes to the optimal model for cost/quality/latency via a drop-in OpenAI-compatible API, with a privacy-preserving embedding mode that avoids sending prompt content.
Portkey

Portkey AI

Fresh
Production AI gateway routing to 1,600+ LLMs with failover, load balancing, semantic caching, and guardrails; Apache 2.0 core is fully self-hostable with the complete feature set.

Facet comparison

Type

AIRouter

Router

Portkey

Gateway

Openness

AIRouter

Commercial

Portkey

Open source

Hosting

AIRouter

Hosted SaaS

Portkey

Hosted SaaS

Decision mechanism

AIRouter

Classifier, Predictive learned

Portkey

Rules / heuristics, Cascade

Optimizes for

AIRouter

Cost, Quality, Latency

Portkey

Reliability, Cost, Latency

Routing scope

AIRouter

Cross-provider

Portkey

Cross-provider

Pricing

AIRouter

Passthrough + fee

Portkey

Subscription

Data retention

AIRouter

Unknown

Portkey

Opt-in logging

Models reachable

AIRouter

-

Portkey

1.6K models

API compatibility

AIRouter

OpenAI

Portkey

OpenAI

Targets overlap

Only via AIRouter

None in the current seed.