Updated March 10, 2026
Inworld Router is an LLM router with conditional routing, A/B testing, and built-in TTS across 220+ models, billed at provider rates with no markup.
Portkey is an AI gateway that provides a unified API for 200+ LLMs with built-in reliability features including automatic retries, fallbacks, load balancing, and caching. The platform includes observability with detailed request logs, cost tracking, and performance analytics. Portkey also offers guardrails, access controls, and virtual keys for managing LLM usage across teams.
Core capabilities each platform advertises.
InWorld AIWhat each tool does well, and the limitations to keep in mind.
InWorld AIPros
Cons
Pros
Cons
Choose InWorld AI if you wantChoose if you want
Choose Portkey if you wantChoose if you want
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 1,000+ models through one gateway.
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