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Portkey logo
Portkey logo

Portkey

AI gateway with observability, routing, and guardrails

freemiumopen sourceupdated Aug 16, 2026

Portkey is an AI gateway and observability platform providing a unified API for 200+ LLM providers with intelligent routing, caching, rate limiting, and guardrails. Route requests across OpenAI, Anthropic, Google, and more with automatic failover, load balancing, and cost optimization. Features request logging, prompt management, evaluation tools, and real-time monitoring. The open-source gateway can be self-hosted; Portkey Cloud adds managed observability and team features.

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Portkey provides a unified API gateway sitting between applications and LLM providers. Route requests across 200+ models from OpenAI, Anthropic, Google, Azure, and others with a single API call.

Intelligent routing enables automatic failover when providers are down, load balancing across models, and cost-based routing that selects the cheapest capable model. Response caching reduces costs and latency for repeated queries.

Guardrails filter inputs and outputs for PII, toxicity, and custom rules. Request logging captures full request/response data for debugging. Prompt management and evaluation tools support iterative improvement.

The open-source gateway can be self-hosted for data sovereignty. Portkey Cloud adds managed observability, team collaboration, and enterprise features.

Pricing

Developer free: 10k recorded logs/mo; Production $49/mo; Enterprise custom.

Platforms

API Gateway, Python SDK, JS SDK, Self-hosted

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FAQ

What is Portkey?

Portkey is an AI gateway and observability platform providing a unified API for 200+ LLM providers with intelligent routing, caching, rate limiting, and guardrails. Route requests across OpenAI, Anthropic, Google, and more with automatic failover, load balancing, and cost optimization. Features request logging, prompt management, evaluation tools, and real-time monitoring. The open-source gateway can be self-hosted; Portkey Cloud adds managed observability and team features.

Is Portkey free?

Portkey offers a free tier alongside paid plans. Developer free: 10k recorded logs/mo; Production $49/mo; Enterprise custom.

Is Portkey open source?

Yes — Portkey is open source.

What are the best Portkey alternatives?

The top editor-verified Portkey alternatives are Tokscale, Weights & Biases.

How does Portkey score in our review?

Our hands-on review scores Portkey 85/100 overall, based on speed, privacy, and developer-experience testing.