gateway and smg
These are competitors—both provide API gateway functionality for routing requests to multiple LLMs, though Portkey-AI offers significantly broader LLM coverage (200+) and production-grade features like integrated guardrails, while Shepherd Model Gateway appears to be a more specialized or lightweight alternative.
About gateway
Portkey-AI/gateway
A blazing fast AI Gateway with integrated guardrails. Route to 200+ LLMs, 50+ AI Guardrails with 1 fast & friendly API.
Supports multi-modal requests (vision, audio, image models), automatic retries with fallback routing, load balancing, and conditional request routing. Built as a lightweight Node.js application (<1ms latency, 122kb footprint) compatible with OpenAI SDKs and frameworks like LangChain, LlamaIndex, and CrewAI. Includes declarative config-based guardrails for output validation and offers enterprise deployments across AWS, Azure, GCP, and Kubernetes environments.
About smg
lightseekorg/smg
Shepherd Model Gateway
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